[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] checking tiqwab/tftpff against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiqwab%2Ftftpff" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiqwab/tftpff on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31df08037551cd4495e6a1ec79dce65356c739dea50d96b8c7fe53c2dd33d71e [INFO] running `Command { std: "docker" "start" "-a" "31df08037551cd4495e6a1ec79dce65356c739dea50d96b8c7fe53c2dd33d71e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31df08037551cd4495e6a1ec79dce65356c739dea50d96b8c7fe53c2dd33d71e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31df08037551cd4495e6a1ec79dce65356c739dea50d96b8c7fe53c2dd33d71e", kill_on_drop: false }` [INFO] [stdout] 31df08037551cd4495e6a1ec79dce65356c739dea50d96b8c7fe53c2dd33d71e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fff7a53552db5c5c8c7316f5a472eb65511b4f32bc17e9bd6f7ee76df588d76 [INFO] running `Command { std: "docker" "start" "-a" "3fff7a53552db5c5c8c7316f5a472eb65511b4f32bc17e9bd6f7ee76df588d76", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.5 [INFO] [stderr] Checking clap v3.0.5 [INFO] [stderr] Checking 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] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/privilege.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `temp` is imported redundantly [INFO] [stdout] --> src/server.rs:464:9 [INFO] [stdout] | [INFO] [stdout] 461 | use super::*; [INFO] [stdout] | -------- the item `temp` is already imported here [INFO] [stdout] ... [INFO] [stdout] 464 | use crate::temp; [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] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/privilege.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.51s [INFO] running `Command { std: "docker" "inspect" "3fff7a53552db5c5c8c7316f5a472eb65511b4f32bc17e9bd6f7ee76df588d76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fff7a53552db5c5c8c7316f5a472eb65511b4f32bc17e9bd6f7ee76df588d76", kill_on_drop: false }` [INFO] [stdout] 3fff7a53552db5c5c8c7316f5a472eb65511b4f32bc17e9bd6f7ee76df588d76