[INFO] fetching crate mnt 0.3.1...
[INFO] testing mnt-0.3.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mnt 0.3.1 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate mnt 0.3.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mnt 0.3.1
[INFO] finished tweaking crates.io crate mnt 0.3.1
[INFO] tweaked toml for crates.io crate mnt 0.3.1 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 502ca0aab23c14ca72eae868062fbc8424db64f166679256889808c137008de2
[INFO] running `Command { std: "docker" "start" "-a" "502ca0aab23c14ca72eae868062fbc8424db64f166679256889808c137008de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "502ca0aab23c14ca72eae868062fbc8424db64f166679256889808c137008de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502ca0aab23c14ca72eae868062fbc8424db64f166679256889808c137008de2", kill_on_drop: false }`
[INFO] [stdout] 502ca0aab23c14ca72eae868062fbc8424db64f166679256889808c137008de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51fc9b62089ccb181adef068eaea7fed3b0768d09f3464af39d247f68739b4c5
[INFO] running `Command { std: "docker" "start" "-a" "51fc9b62089ccb181adef068eaea7fed3b0768d09f3464af39d247f68739b4c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnt v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:116:19
[INFO] [stdout]     |
[INFO] [stdout] 116 |             spec: try!(tokens.next().ok_or(LineError::MissingSpec)).to_string(),
[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/parse.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let file = try!(tokens.next().ok_or(LineError::MissingFile));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:125:22
[INFO] [stdout]     |
[INFO] [stdout] 125 |             vfstype: try!(tokens.next().ok_or(LineError::MissingVfstype)).to_string(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |             mntops: try!(tokens.next().ok_or(LineError::MissingMntops))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:130:28
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let freq = try!(tokens.next().ok_or(LineError::MissingFreq));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:138:30
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let passno = try!(tokens.next().ok_or(LineError::MissingPassno));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |     get_submounts_from(root, try!(MountIter::new_from_proc()))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |     get_mount_from(target, try!(MountIter::new_from_proc()))
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:277:20
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let file = try!(File::open(PROC_MOUNTS));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |         write!(out, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "51fc9b62089ccb181adef068eaea7fed3b0768d09f3464af39d247f68739b4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fc9b62089ccb181adef068eaea7fed3b0768d09f3464af39d247f68739b4c5", kill_on_drop: false }`
[INFO] [stdout] 51fc9b62089ccb181adef068eaea7fed3b0768d09f3464af39d247f68739b4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943f46b70531109a3c51863030e552181152aa90542241c0eee39ee9c6f911c3
[INFO] running `Command { std: "docker" "start" "-a" "943f46b70531109a3c51863030e552181152aa90542241c0eee39ee9c6f911c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnt v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:116:19
[INFO] [stdout]     |
[INFO] [stdout] 116 |             spec: try!(tokens.next().ok_or(LineError::MissingSpec)).to_string(),
[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/parse.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let file = try!(tokens.next().ok_or(LineError::MissingFile));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:125:22
[INFO] [stdout]     |
[INFO] [stdout] 125 |             vfstype: try!(tokens.next().ok_or(LineError::MissingVfstype)).to_string(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |             mntops: try!(tokens.next().ok_or(LineError::MissingMntops))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:130:28
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let freq = try!(tokens.next().ok_or(LineError::MissingFreq));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:138:30
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let passno = try!(tokens.next().ok_or(LineError::MissingPassno));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |     get_submounts_from(root, try!(MountIter::new_from_proc()))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |     get_mount_from(target, try!(MountIter::new_from_proc()))
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:277:20
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let file = try!(File::open(PROC_MOUNTS));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |         write!(out, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:116:19
[INFO] [stdout]     |
[INFO] [stdout] 116 |             spec: try!(tokens.next().ok_or(LineError::MissingSpec)).to_string(),
[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/parse.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let file = try!(tokens.next().ok_or(LineError::MissingFile));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:125:22
[INFO] [stdout]     |
[INFO] [stdout] 125 |             vfstype: try!(tokens.next().ok_or(LineError::MissingVfstype)).to_string(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |             mntops: try!(tokens.next().ok_or(LineError::MissingMntops))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:130:28
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let freq = try!(tokens.next().ok_or(LineError::MissingFreq));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:138:30
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let passno = try!(tokens.next().ok_or(LineError::MissingPassno));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |     get_submounts_from(root, try!(MountIter::new_from_proc()))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |     get_mount_from(target, try!(MountIter::new_from_proc()))
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:277:20
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let file = try!(File::open(PROC_MOUNTS));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:452:79
[INFO] [stdout]     |
[INFO] [stdout] 452 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stdout]     |                                                                               ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:456:79
[INFO] [stdout]     |
[INFO] [stdout] 456 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stdout]     |                                                                               ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:460:79
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stdout]     |                                                                               ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:464:79
[INFO] [stdout]     |
[INFO] [stdout] 464 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stdout]     |                                                                               ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |         write!(out, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mnt-bb6229bf38b20e88)
[INFO] running `Command { std: "docker" "inspect" "943f46b70531109a3c51863030e552181152aa90542241c0eee39ee9c6f911c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943f46b70531109a3c51863030e552181152aa90542241c0eee39ee9c6f911c3", kill_on_drop: false }`
[INFO] [stdout] 943f46b70531109a3c51863030e552181152aa90542241c0eee39ee9c6f911c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c707dd472600e53d3f5c7e3cfc9e9f61b2f55bec928828f82f185c557854f77
[INFO] running `Command { std: "docker" "start" "-a" "3c707dd472600e53d3f5c7e3cfc9e9f61b2f55bec928828f82f185c557854f77", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:116:19
[INFO] [stderr]     |
[INFO] [stderr] 116 |             spec: try!(tokens.next().ok_or(LineError::MissingSpec)).to_string(),
[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/parse.rs:118:28
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let file = try!(tokens.next().ok_or(LineError::MissingFile));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:125:22
[INFO] [stderr]     |
[INFO] [stderr] 125 |             vfstype: try!(tokens.next().ok_or(LineError::MissingVfstype)).to_string(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |             mntops: try!(tokens.next().ok_or(LineError::MissingMntops))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:130:28
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 let freq = try!(tokens.next().ok_or(LineError::MissingFreq));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:138:30
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let passno = try!(tokens.next().ok_or(LineError::MissingPassno));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:167:30
[INFO] [stderr]     |
[INFO] [stderr] 167 |     get_submounts_from(root, try!(MountIter::new_from_proc()))
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:188:28
[INFO] [stderr]     |
[INFO] [stderr] 188 |     get_mount_from(target, try!(MountIter::new_from_proc()))
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:277:20
[INFO] [stderr]     |
[INFO] [stderr] 277 |         let file = try!(File::open(PROC_MOUNTS));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:48:32
[INFO] [stderr]    |
[INFO] [stderr] 48 |         write!(out, "{}", self.description())
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mnt` (lib) generated 10 warnings
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parse.rs:452:79
[INFO] [stderr]     |
[INFO] [stderr] 452 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stderr]     |                                                                               ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parse.rs:456:79
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stderr]     |                                                                               ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parse.rs:460:79
[INFO] [stderr]     |
[INFO] [stderr] 460 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stderr]     |                                                                               ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parse.rs:464:79
[INFO] [stderr]     |
[INFO] [stderr] 464 |         let mut mounts = MountIter::new(buf.clone()).map(|m| m.ok().unwrap());;
[INFO] [stderr]     |                                                                               ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `mnt` (lib test) generated 14 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mnt-bb6229bf38b20e88)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parse::test::test_line_mntops ... ok
[INFO] [stdout] test parse::test::test_line_root ... ok
[INFO] [stdout] test parse::test::test_path ... ok
[INFO] [stdout] test parse::test::test_proc_mounts ... ok
[INFO] [stderr]    Doc-tests mnt
[INFO] [stdout] test parse::test::test_proc_mounts_from ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c707dd472600e53d3f5c7e3cfc9e9f61b2f55bec928828f82f185c557854f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c707dd472600e53d3f5c7e3cfc9e9f61b2f55bec928828f82f185c557854f77", kill_on_drop: false }`
[INFO] [stdout] 3c707dd472600e53d3f5c7e3cfc9e9f61b2f55bec928828f82f185c557854f77