[INFO] fetching crate seek_bufread 1.2.2...
[INFO] testing seek_bufread-1.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate seek_bufread 1.2.2 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate seek_bufread 1.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seek_bufread 1.2.2
[INFO] finished tweaking crates.io crate seek_bufread 1.2.2
[INFO] tweaked toml for crates.io crate seek_bufread 1.2.2 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 990f1b55b751133d3579cb93dc9335dedfc32ba8c2dfd6a0e3bc96ed2123b684
[INFO] running `Command { std: "docker" "start" "-a" "990f1b55b751133d3579cb93dc9335dedfc32ba8c2dfd6a0e3bc96ed2123b684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990f1b55b751133d3579cb93dc9335dedfc32ba8c2dfd6a0e3bc96ed2123b684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990f1b55b751133d3579cb93dc9335dedfc32ba8c2dfd6a0e3bc96ed2123b684", kill_on_drop: false }`
[INFO] [stdout] 990f1b55b751133d3579cb93dc9335dedfc32ba8c2dfd6a0e3bc96ed2123b684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d00712ffcfd193ac4034be4123d6cbf2057d67fc45cb5a7fdc13f953cac1638
[INFO] running `Command { std: "docker" "start" "-a" "4d00712ffcfd193ac4034be4123d6cbf2057d67fc45cb5a7fdc13f953cac1638", kill_on_drop: false }`
[INFO] [stderr]    Compiling seek_bufread v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         try!(self.inner.seek(SeekFrom::Start(self.absolute_pos)));
[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:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.absolute_pos = try!(self.inner.seek(pos));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:178:31
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:24
[INFO] [stdout]     |
[INFO] [stdout] 194 |             self.cap = try!(self.inner.read(&mut self.buf));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4d00712ffcfd193ac4034be4123d6cbf2057d67fc45cb5a7fdc13f953cac1638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d00712ffcfd193ac4034be4123d6cbf2057d67fc45cb5a7fdc13f953cac1638", kill_on_drop: false }`
[INFO] [stdout] 4d00712ffcfd193ac4034be4123d6cbf2057d67fc45cb5a7fdc13f953cac1638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af5011efbf484f6e21ffb60c7c1c1af6ea3122a8c656b3102c776da809132f2f
[INFO] running `Command { std: "docker" "start" "-a" "af5011efbf484f6e21ffb60c7c1c1af6ea3122a8c656b3102c776da809132f2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         try!(self.inner.seek(SeekFrom::Start(self.absolute_pos)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling seek_bufread v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.absolute_pos = try!(self.inner.seek(pos));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:178:31
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:24
[INFO] [stdout]     |
[INFO] [stdout] 194 |             self.cap = try!(self.inner.read(&mut self.buf));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         try!(self.inner.seek(SeekFrom::Start(self.absolute_pos)));
[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:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.absolute_pos = try!(self.inner.seek(pos));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:178:31
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:24
[INFO] [stdout]     |
[INFO] [stdout] 194 |             self.cap = try!(self.inner.read(&mut self.buf));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "af5011efbf484f6e21ffb60c7c1c1af6ea3122a8c656b3102c776da809132f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5011efbf484f6e21ffb60c7c1c1af6ea3122a8c656b3102c776da809132f2f", kill_on_drop: false }`
[INFO] [stdout] af5011efbf484f6e21ffb60c7c1c1af6ea3122a8c656b3102c776da809132f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abeb9fa4655fb10395afbce29dca6e30dfddb2b0fd4f4edad39f0d2986d1e2d9
[INFO] running `Command { std: "docker" "start" "-a" "abeb9fa4655fb10395afbce29dca6e30dfddb2b0fd4f4edad39f0d2986d1e2d9", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         try!(self.inner.seek(SeekFrom::Start(self.absolute_pos)));
[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:138:29
[INFO] [stderr]     |
[INFO] [stderr] 138 |         self.absolute_pos = try!(self.inner.seek(pos));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:178:26
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:178:31
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let n_read = try!(try!(self.fill_buf()).read(&mut buf[n_total..]));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:24
[INFO] [stderr]     |
[INFO] [stderr] 194 |             self.cap = try!(self.inner.read(&mut self.buf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `seek_bufread` (lib) generated 5 warnings
[INFO] [stderr] warning: `seek_bufread` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seek_bufread-7e2c4fbba659bdcf)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::default_behaviour ... ok
[INFO] [stdout] test tests::seek_current_negative_std ... ok
[INFO] [stdout] test tests::seek_current_positive ... ok
[INFO] [stdout] test tests::default_behaviour_std ... ok
[INFO] [stdout] test tests::seek_end ... ok
[INFO] [stdout] test tests::seek_current_negative ... ok
[INFO] [stdout] test tests::into_inner ... ok
[INFO] [stdout] test tests::seek_current_positive_std ... ok
[INFO] [stdout] test tests::small_capacity ... ok
[INFO] [stdout] test tests::seek_start ... ok
[INFO] [stdout] test tests::seek_end_std ... ok
[INFO] [stdout] test tests::small_capacity_std ... ok
[INFO] [stdout] test tests::seek_start_std ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests seek_bufread
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - BufReader (line 48) ... ok
[INFO] [stdout] test src/lib.rs - BufReader<R>::new (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - BufReader<R>::with_capacity (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "abeb9fa4655fb10395afbce29dca6e30dfddb2b0fd4f4edad39f0d2986d1e2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeb9fa4655fb10395afbce29dca6e30dfddb2b0fd4f4edad39f0d2986d1e2d9", kill_on_drop: false }`
[INFO] [stdout] abeb9fa4655fb10395afbce29dca6e30dfddb2b0fd4f4edad39f0d2986d1e2d9