[INFO] fetching crate rusmo 1.0.1... [INFO] checking rusmo-1.0.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate rusmo 1.0.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate rusmo 1.0.1 [INFO] finished tweaking crates.io crate rusmo 1.0.1 [INFO] tweaked toml for crates.io crate rusmo 1.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rusmo 1.0.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rusmo 1.0.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9e6a8b5ccded4b7eae5fab314dfb95b50f6a3ca977435026b0fe89340bbddf7 [INFO] running `Command { std: "docker" "start" "-a" "a9e6a8b5ccded4b7eae5fab314dfb95b50f6a3ca977435026b0fe89340bbddf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9e6a8b5ccded4b7eae5fab314dfb95b50f6a3ca977435026b0fe89340bbddf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9e6a8b5ccded4b7eae5fab314dfb95b50f6a3ca977435026b0fe89340bbddf7", kill_on_drop: false }` [INFO] [stdout] a9e6a8b5ccded4b7eae5fab314dfb95b50f6a3ca977435026b0fe89340bbddf7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44ad11519910521f657e7398cbba49b2c5d3d8a7a0e4608a462e18377aff50d0 [INFO] running `Command { std: "docker" "start" "-a" "44ad11519910521f657e7398cbba49b2c5d3d8a7a0e4608a462e18377aff50d0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking cmd_lib v0.6.9 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking rusmo v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `flag_help` is never read [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | flag_help: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Setting` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Setting { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 42 | let _ = Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | / Command::new(EDITOR.to_string()) [INFO] [stdout] 86 | | .arg(utils::get_toml_env().path() + "/" + target_filename.trim()) [INFO] [stdout] 87 | | .exec(); [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = Command::new(EDITOR.to_string()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 92 | let _ = Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `flag_help` is never read [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | flag_help: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Setting` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Setting { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 42 | let _ = Command::new(EDITOR.to_string()).arg(filename).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | / Command::new(EDITOR.to_string()) [INFO] [stdout] 86 | | .arg(utils::get_toml_env().path() + "/" + target_filename.trim()) [INFO] [stdout] 87 | | .exec(); [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = Command::new(EDITOR.to_string()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/file.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 92 | let _ = Command::new(EDITOR.to_string()).arg(&file_path).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.51s [INFO] running `Command { std: "docker" "inspect" "44ad11519910521f657e7398cbba49b2c5d3d8a7a0e4608a462e18377aff50d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44ad11519910521f657e7398cbba49b2c5d3d8a7a0e4608a462e18377aff50d0", kill_on_drop: false }` [INFO] [stdout] 44ad11519910521f657e7398cbba49b2c5d3d8a7a0e4608a462e18377aff50d0