[INFO] cloning repository https://github.com/tiqwab/tftpff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiqwab/tftpff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiqwab%2Ftftpff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiqwab%2Ftftpff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f102f43e8743426f3ae6ff422dd12173f12844fe
[INFO] testing tiqwab/tftpff against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiqwab%2Ftftpff" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tiqwab/tftpff
[INFO] finished tweaking git repo https://github.com/tiqwab/tftpff
[INFO] tweaked toml for git repo https://github.com/tiqwab/tftpff written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tiqwab/tftpff on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tiqwab/tftpff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e99980f22c0be8efc0ce651078ad6f0b8f68b0d838276c77ca778ab12e04a2c
[INFO] running `Command { std: "docker" "start" "-a" "2e99980f22c0be8efc0ce651078ad6f0b8f68b0d838276c77ca778ab12e04a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e99980f22c0be8efc0ce651078ad6f0b8f68b0d838276c77ca778ab12e04a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e99980f22c0be8efc0ce651078ad6f0b8f68b0d838276c77ca778ab12e04a2c", kill_on_drop: false }`
[INFO] [stdout] 2e99980f22c0be8efc0ce651078ad6f0b8f68b0d838276c77ca778ab12e04a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dafa7880d51c4cb8688a39bc928da0a24a9e2cdfa2d5aa83aa9f31c678c70948
[INFO] running `Command { std: "docker" "start" "-a" "dafa7880d51c4cb8688a39bc928da0a24a9e2cdfa2d5aa83aa9f31c678c70948", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling clap_derive v3.0.5
[INFO] [stderr]    Compiling clap v3.0.5
[INFO] [stderr]    Compiling tftpff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |             TftpError::Others => (0x0_u16),
[INFO] [stdout]    |                                  ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -             TftpError::Others => (0x0_u16),
[INFO] [stdout] 38 +             TftpError::Others => 0x0_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |             TftpError::FileNotFound => (0x1_u16),
[INFO] [stdout]    |                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -             TftpError::FileNotFound => (0x1_u16),
[INFO] [stdout] 39 +             TftpError::FileNotFound => 0x1_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |             TftpError::AccessViolation => (0x2_u16),
[INFO] [stdout]    |                                           ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             TftpError::AccessViolation => (0x2_u16),
[INFO] [stdout] 40 +             TftpError::AccessViolation => 0x2_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 |             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stdout]    |                                       ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stdout] 41 +             TftpError::DiskNoSpace => 0x3_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stdout]    |                                         ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stdout] 42 +             TftpError::IllegalTftpOp => 0x4_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |             TftpError::UnknownTid => (0x5_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -             TftpError::UnknownTid => (0x5_u16),
[INFO] [stdout] 43 +             TftpError::UnknownTid => 0x5_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |             TftpError::FileExists => (0x6_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -             TftpError::FileExists => (0x6_u16),
[INFO] [stdout] 44 +             TftpError::FileExists => 0x6_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 |             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stdout] 45 +             TftpError::NoSuchUser => 0x7_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "dafa7880d51c4cb8688a39bc928da0a24a9e2cdfa2d5aa83aa9f31c678c70948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dafa7880d51c4cb8688a39bc928da0a24a9e2cdfa2d5aa83aa9f31c678c70948", kill_on_drop: false }`
[INFO] [stdout] dafa7880d51c4cb8688a39bc928da0a24a9e2cdfa2d5aa83aa9f31c678c70948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69695789c39b26630527ff3f3ba5b9e2b4f51a012dceb84b1b1d13a554cce9eb
[INFO] running `Command { std: "docker" "start" "-a" "69695789c39b26630527ff3f3ba5b9e2b4f51a012dceb84b1b1d13a554cce9eb", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |             TftpError::Others => (0x0_u16),
[INFO] [stdout]    |                                  ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -             TftpError::Others => (0x0_u16),
[INFO] [stdout] 38 +             TftpError::Others => 0x0_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |             TftpError::FileNotFound => (0x1_u16),
[INFO] [stdout]    |                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -             TftpError::FileNotFound => (0x1_u16),
[INFO] [stdout] 39 +             TftpError::FileNotFound => 0x1_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |             TftpError::AccessViolation => (0x2_u16),
[INFO] [stdout]    |                                           ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             TftpError::AccessViolation => (0x2_u16),
[INFO] [stdout] 40 +             TftpError::AccessViolation => 0x2_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 |             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stdout]    |                                       ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stdout] 41 +             TftpError::DiskNoSpace => 0x3_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stdout]    |                                         ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stdout] 42 +             TftpError::IllegalTftpOp => 0x4_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |             TftpError::UnknownTid => (0x5_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -             TftpError::UnknownTid => (0x5_u16),
[INFO] [stdout] 43 +             TftpError::UnknownTid => 0x5_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |             TftpError::FileExists => (0x6_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -             TftpError::FileExists => (0x6_u16),
[INFO] [stdout] 44 +             TftpError::FileExists => 0x6_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tftpff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 |             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stdout] 45 +             TftpError::NoSuchUser => 0x7_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |             TftpError::Others => (0x0_u16),
[INFO] [stdout]    |                                  ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -             TftpError::Others => (0x0_u16),
[INFO] [stdout] 38 +             TftpError::Others => 0x0_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |             TftpError::FileNotFound => (0x1_u16),
[INFO] [stdout]    |                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -             TftpError::FileNotFound => (0x1_u16),
[INFO] [stdout] 39 +             TftpError::FileNotFound => 0x1_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |             TftpError::AccessViolation => (0x2_u16),
[INFO] [stdout]    |                                           ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             TftpError::AccessViolation => (0x2_u16),
[INFO] [stdout] 40 +             TftpError::AccessViolation => 0x2_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 |             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stdout]    |                                       ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stdout] 41 +             TftpError::DiskNoSpace => 0x3_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stdout]    |                                         ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stdout] 42 +             TftpError::IllegalTftpOp => 0x4_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |             TftpError::UnknownTid => (0x5_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -             TftpError::UnknownTid => (0x5_u16),
[INFO] [stdout] 43 +             TftpError::UnknownTid => 0x5_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |             TftpError::FileExists => (0x6_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -             TftpError::FileExists => (0x6_u16),
[INFO] [stdout] 44 +             TftpError::FileExists => 0x6_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/error.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 |             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stdout]    |                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stdout] 45 +             TftpError::NoSuchUser => 0x7_u16,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "69695789c39b26630527ff3f3ba5b9e2b4f51a012dceb84b1b1d13a554cce9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69695789c39b26630527ff3f3ba5b9e2b4f51a012dceb84b1b1d13a554cce9eb", kill_on_drop: false }`
[INFO] [stdout] 69695789c39b26630527ff3f3ba5b9e2b4f51a012dceb84b1b1d13a554cce9eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88ece66c5451b14fcc108db74acb4815e60069c3fb41e90347933548618ce1c3
[INFO] running `Command { std: "docker" "start" "-a" "88ece66c5451b14fcc108db74acb4815e60069c3fb41e90347933548618ce1c3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |             TftpError::Others => (0x0_u16),
[INFO] [stderr]    |                                  ^       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 -             TftpError::Others => (0x0_u16),
[INFO] [stderr] 38 +             TftpError::Others => 0x0_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 |             TftpError::FileNotFound => (0x1_u16),
[INFO] [stderr]    |                                        ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 39 -             TftpError::FileNotFound => (0x1_u16),
[INFO] [stderr] 39 +             TftpError::FileNotFound => 0x1_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 |             TftpError::AccessViolation => (0x2_u16),
[INFO] [stderr]    |                                           ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 40 -             TftpError::AccessViolation => (0x2_u16),
[INFO] [stderr] 40 +             TftpError::AccessViolation => 0x2_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 |             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stderr]    |                                       ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 41 -             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stderr] 41 +             TftpError::DiskNoSpace => 0x3_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stderr]    |                                         ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 42 -             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stderr] 42 +             TftpError::IllegalTftpOp => 0x4_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 |             TftpError::UnknownTid => (0x5_u16),
[INFO] [stderr]    |                                      ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 43 -             TftpError::UnknownTid => (0x5_u16),
[INFO] [stderr] 43 +             TftpError::UnknownTid => 0x5_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 |             TftpError::FileExists => (0x6_u16),
[INFO] [stderr]    |                                      ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 44 -             TftpError::FileExists => (0x6_u16),
[INFO] [stderr] 44 +             TftpError::FileExists => 0x6_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 |             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stderr]    |                                      ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stderr] 45 +             TftpError::NoSuchUser => 0x7_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `tftpff` (lib) generated 8 warnings (run `cargo fix --lib -p tftpff` to apply 8 suggestions)
[INFO] [stderr] warning: `tftpff` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tftpff-cd450819a0712fcb)
[INFO] [stdout] running 24 tests
[INFO] [stdout] test packet::tests::test_encode_error ... ok
[INFO] [stdout] test file::tests::test_write_with_newlines ... ok
[INFO] [stdout] test file::tests::test_write_with_netascii ... ok
[INFO] [stdout] test file::tests::test_read_with_netascii ... ok
[INFO] [stdout] test file::tests::test_write_with_octet ... ok
[INFO] [stdout] test packet::tests::test_parse_data ... ok
[INFO] [stdout] test packet::tests::test_encode_data ... ok
[INFO] [stdout] test packet::tests::test_parse_ack ... ok
[INFO] [stdout] test packet::tests::test_parse_error ... ok
[INFO] [stdout] test packet::tests::test_parse_rrq_only_use_filename ... ok
[INFO] [stdout] test packet::tests::test_parse_rrq_ok ... ok
[INFO] [stdout] test file::tests::test_read_with_octet ... ok
[INFO] [stdout] test packet::tests::test_parse_wrq_only_use_filename ... ok
[INFO] [stdout] test packet::tests::test_parse_wrq_with_illegal_mode ... ok
[INFO] [stdout] test packet::tests::test_parse_rrq_with_illegal_mode ... ok
[INFO] [stdout] test server::tests::test_wrq_handler_with_error ... ok
[INFO] [stdout] test packet::tests::test_parse_wrq_ok ... ok
[INFO] [stdout] test file::tests::test_read_512_multiple_bytes ... ok
[INFO] [stdout] test server::tests::test_wrq_handler ... ok
[INFO] [stdout] test server::tests::test_rrq_handler ... ok
[INFO] [stdout] test packet::tests::test_encode_ack ... ok
[INFO] [stdout] test server::tests::test_rrq_handler_with_512_multiple_bytes ... ok
[INFO] [stdout] test server::tests::test_rrq_handler_with_error ... ok
[INFO] [stdout] test server::tests::test_server_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tftpff-af95acb343930940)
[INFO] [stderr]    Doc-tests tftpff
[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] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |             TftpError::Others => (0x0_u16),
[INFO] [stderr]    |                                  ^       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 -             TftpError::Others => (0x0_u16),
[INFO] [stderr] 38 +             TftpError::Others => 0x0_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 |             TftpError::FileNotFound => (0x1_u16),
[INFO] [stderr]    |                                        ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 39 -             TftpError::FileNotFound => (0x1_u16),
[INFO] [stderr] 39 +             TftpError::FileNotFound => 0x1_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 |             TftpError::AccessViolation => (0x2_u16),
[INFO] [stderr]    |                                           ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 40 -             TftpError::AccessViolation => (0x2_u16),
[INFO] [stderr] 40 +             TftpError::AccessViolation => 0x2_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 |             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stderr]    |                                       ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 41 -             TftpError::DiskNoSpace => (0x3_u16),
[INFO] [stderr] 41 +             TftpError::DiskNoSpace => 0x3_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stderr]    |                                         ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 42 -             TftpError::IllegalTftpOp => (0x4_u16),
[INFO] [stderr] 42 +             TftpError::IllegalTftpOp => 0x4_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 |             TftpError::UnknownTid => (0x5_u16),
[INFO] [stderr]    |                                      ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 43 -             TftpError::UnknownTid => (0x5_u16),
[INFO] [stderr] 43 +             TftpError::UnknownTid => 0x5_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 |             TftpError::FileExists => (0x6_u16),
[INFO] [stderr]    |                                      ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 44 -             TftpError::FileExists => (0x6_u16),
[INFO] [stderr] 44 +             TftpError::FileExists => 0x6_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/error.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 |             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stderr]    |                                      ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -             TftpError::NoSuchUser => (0x7_u16),
[INFO] [stderr] 45 +             TftpError::NoSuchUser => 0x7_u16,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[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" "88ece66c5451b14fcc108db74acb4815e60069c3fb41e90347933548618ce1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ece66c5451b14fcc108db74acb4815e60069c3fb41e90347933548618ce1c3", kill_on_drop: false }`
[INFO] [stdout] 88ece66c5451b14fcc108db74acb4815e60069c3fb41e90347933548618ce1c3
