[INFO] fetching crate string-lines 0.1.0...
[INFO] testing string-lines-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate string-lines 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate string-lines 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string-lines 0.1.0
[INFO] finished tweaking crates.io crate string-lines 0.1.0
[INFO] tweaked toml for crates.io crate string-lines 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b46f36d05a0ff75d0ae7c26ce43630db1d09a4b518e16877b3e0cb6105560dc2
[INFO] running `Command { std: "docker" "start" "-a" "b46f36d05a0ff75d0ae7c26ce43630db1d09a4b518e16877b3e0cb6105560dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b46f36d05a0ff75d0ae7c26ce43630db1d09a4b518e16877b3e0cb6105560dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46f36d05a0ff75d0ae7c26ce43630db1d09a4b518e16877b3e0cb6105560dc2", kill_on_drop: false }`
[INFO] [stdout] b46f36d05a0ff75d0ae7c26ce43630db1d09a4b518e16877b3e0cb6105560dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b27ce72ddaf7db6929e4dff1eb7a1676de6b5558ec3112a6aeb71a81f779085
[INFO] running `Command { std: "docker" "start" "-a" "5b27ce72ddaf7db6929e4dff1eb7a1676de6b5558ec3112a6aeb71a81f779085", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling file-lock v0.0.17
[INFO] [stderr]    Compiling string-lines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let _ = try!(write!(f,"File error: {}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let _ = try!(write!(f,"Locking error: {:?}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let _ = try!(write!(f,"UTF8 error: {:?}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let file = try!(options.open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:133:11
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = try!(self.file.seek(SeekFrom::End(0)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let _ = try!(self.file.write(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let _ = try!(self.lock.unlock());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let _ = try!(self.file.set_len(offset as u64));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:11
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = try!(self.lock.unlock());        
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let result = try!(String::from_utf8(data));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:11
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let len = try!(self.file.metadata()).len() as i64;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let _ = try!(self.file.seek(SeekFrom::Start(offset as u64)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:14
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     let _ = try!(self.lock.unlock());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:207:11
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:208:11
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let _ = try!(self.file.set_len(0));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:11
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let _ = try!(self.lock.unlock());        
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "5b27ce72ddaf7db6929e4dff1eb7a1676de6b5558ec3112a6aeb71a81f779085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b27ce72ddaf7db6929e4dff1eb7a1676de6b5558ec3112a6aeb71a81f779085", kill_on_drop: false }`
[INFO] [stdout] 5b27ce72ddaf7db6929e4dff1eb7a1676de6b5558ec3112a6aeb71a81f779085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939c07e0168b80a798d912369aea8ccd715530e08f45ac8242cb97ab0212e502
[INFO] running `Command { std: "docker" "start" "-a" "939c07e0168b80a798d912369aea8ccd715530e08f45ac8242cb97ab0212e502", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-lines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let _ = try!(write!(f,"File error: {}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let _ = try!(write!(f,"Locking error: {:?}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let _ = try!(write!(f,"UTF8 error: {:?}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let file = try!(options.open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:133:11
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = try!(self.file.seek(SeekFrom::End(0)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let _ = try!(self.file.write(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let _ = try!(self.lock.unlock());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let _ = try!(self.file.set_len(offset as u64));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:11
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = try!(self.lock.unlock());        
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let result = try!(String::from_utf8(data));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:11
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let len = try!(self.file.metadata()).len() as i64;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let _ = try!(self.file.seek(SeekFrom::Start(offset as u64)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:14
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     let _ = try!(self.lock.unlock());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:207:11
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:208:11
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let _ = try!(self.file.set_len(0));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:11
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let _ = try!(self.lock.unlock());        
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let _ = try!(write!(f,"File error: {}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let _ = try!(write!(f,"Locking error: {:?}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let _ = try!(write!(f,"UTF8 error: {:?}",error));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let file = try!(options.open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:133:11
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = try!(self.file.seek(SeekFrom::End(0)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let _ = try!(self.file.write(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let _ = try!(self.lock.unlock());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let _ = try!(self.file.set_len(offset as u64));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:11
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = try!(self.lock.unlock());        
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let result = try!(String::from_utf8(data));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:11
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let len = try!(self.file.metadata()).len() as i64;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let _ = try!(self.file.seek(SeekFrom::Start(offset as u64)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:14
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     let _ = try!(self.lock.unlock());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:207:11
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:208:11
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let _ = try!(self.file.set_len(0));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:11
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let _ = try!(self.lock.unlock());        
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "939c07e0168b80a798d912369aea8ccd715530e08f45ac8242cb97ab0212e502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939c07e0168b80a798d912369aea8ccd715530e08f45ac8242cb97ab0212e502", kill_on_drop: false }`
[INFO] [stdout] 939c07e0168b80a798d912369aea8ccd715530e08f45ac8242cb97ab0212e502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a8c53f73d98fca6315dde591826dde47cc25f1dac8224c838569614fd3a04a5
[INFO] running `Command { std: "docker" "start" "-a" "2a8c53f73d98fca6315dde591826dde47cc25f1dac8224c838569614fd3a04a5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/lib.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let _ = try!(write!(f,"File error: {}",error));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let _ = try!(write!(f,"Locking error: {:?}",error));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let _ = try!(write!(f,"UTF8 error: {:?}",error));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:122:14
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let file = try!(options.open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:133:11
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:11
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let _ = try!(self.file.seek(SeekFrom::End(0)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:135:11
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let _ = try!(self.file.write(s.as_bytes()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:136:11
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let _ = try!(self.lock.unlock());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:144:11
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let _ = try!(self.file.set_len(offset as u64));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:145:11
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let _ = try!(self.lock.unlock());        
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |             let result = try!(String::from_utf8(data));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let len = try!(self.file.metadata()).len() as i64;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:12
[INFO] [stderr]     |
[INFO] [stderr] 165 |             let _ = try!(self.file.seek(SeekFrom::Start(offset as u64)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:14
[INFO] [stderr]     |
[INFO] [stderr] 194 |                     let _ = try!(self.lock.unlock());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:207:11
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let _ = try!(self.lock.lock(LockKind::Blocking, AccessMode::Write));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:208:11
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let _ = try!(self.file.set_len(0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:11
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let _ = try!(self.lock.unlock());        
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `string-lines` (lib) generated 18 warnings
[INFO] [stderr] warning: `string-lines` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_lines-bf4a198207fa215a)
[INFO] [stdout] test tests::test_len ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test tests::test_push_pop ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_len stdout ----
[INFO] [stdout] thread 'tests::test_len' panicked at 'Unable to open file: FileError(Os { code: 2, kind: NotFound, message: "No such file or directory" })', src/lib.rs:254:49
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5574456425ac - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5574456425ac - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5574456425ac - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5574456425ac - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x557445665d8c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55744563f1f5 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x557445644260 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x557445644260 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x557445644260 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x557445643e52 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x557445644914 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x5574456443f0 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x557445642a74 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x557445644359 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x5574455e0681 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x5574455e0773 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5
[INFO] [stdout]   16:     0x5574455eaac8 - core::result::Result<T,E>::expect::h9625ffece7d4af98
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1259:23
[INFO] [stdout]   17:     0x5574455e473f - string_lines::tests::test_len::hf7280eee4a258848
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:254:22
[INFO] [stdout]   18:     0x5574455e463a - string_lines::tests::test_len::{{closure}}::ha6286ae347bd7265
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:250:5
[INFO] [stdout]   19:     0x5574455e6c1e - core::ops::function::FnOnce::call_once::h10385f19286e23c0
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x557445620f03 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x557445620f03 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55744561f988 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   23:     0x55744561f988 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x55744561f988 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   25:     0x55744561f988 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   26:     0x55744561f988 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   27:     0x55744561f988 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55744561f988 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x5574455ed4de - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x5574455ed4de - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x5574455f1d78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x5574455f1d78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x5574455f1d78 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   34:     0x5574455f1d78 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   35:     0x5574455f1d78 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   36:     0x5574455f1d78 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x5574455f1d78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x557445649793 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x557445649793 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   40:     0x557445649793 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f493846b609 - start_thread
[INFO] [stdout]   42:     0x7f493823d293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_push_pop stdout ----
[INFO] [stdout] thread 'tests::test_push_pop' panicked at 'Unable to open file: FileError(Os { code: 2, kind: NotFound, message: "No such file or directory" })', src/lib.rs:223:49
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5574456425ac - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5574456425ac - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5574456425ac - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5574456425ac - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x557445665d8c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55744563f1f5 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x557445644260 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x557445644260 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x557445644260 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x557445643e52 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x557445644914 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x5574456443f0 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x557445642a74 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x557445644359 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x5574455e0681 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x5574455e0773 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5
[INFO] [stdout]   16:     0x5574455eaac8 - core::result::Result<T,E>::expect::h9625ffece7d4af98
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1259:23
[INFO] [stdout]   17:     0x5574455e3db9 - string_lines::tests::test_push_pop::ha673d2a5fbdd18bf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:223:22
[INFO] [stdout]   18:     0x5574455e3cea - string_lines::tests::test_push_pop::{{closure}}::h3aac8f37f69bb5f8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:220:5
[INFO] [stdout]   19:     0x5574455e6cae - core::ops::function::FnOnce::call_once::h67e5426bf9bd51ce
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x557445620f03 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x557445620f03 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55744561f988 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   23:     0x55744561f988 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x55744561f988 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   25:     0x55744561f988 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   26:     0x55744561f988 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   27:     0x55744561f988 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55744561f988 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x5574455ed4de - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x5574455ed4de - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x5574455f1d78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x5574455f1d78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x5574455f1d78 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   34:     0x5574455f1d78 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   35:     0x5574455f1d78 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   36:     0x5574455f1d78 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x5574455f1d78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x557445649793 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x557445649793 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   40:     0x557445649793 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f493846b609 - start_thread
[INFO] [stdout]   42:     0x7f493823d293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_len
[INFO] [stdout]     tests::test_push_pop
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a8c53f73d98fca6315dde591826dde47cc25f1dac8224c838569614fd3a04a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8c53f73d98fca6315dde591826dde47cc25f1dac8224c838569614fd3a04a5", kill_on_drop: false }`
[INFO] [stdout] 2a8c53f73d98fca6315dde591826dde47cc25f1dac8224c838569614fd3a04a5