[INFO] fetching crate pleaser 0.5.6... [INFO] building pleaser-0.5.6 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate pleaser 0.5.6 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate pleaser 0.5.6 [INFO] finished tweaking crates.io crate pleaser 0.5.6 [INFO] tweaked toml for crates.io crate pleaser 0.5.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pleaser 0.5.6 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pleaser 0.5.6 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20341d428b42dfec09f34ecd56ed646c4394ad0c3ea46e28da240005f80f002e [INFO] running `Command { std: "docker" "start" "-a" "20341d428b42dfec09f34ecd56ed646c4394ad0c3ea46e28da240005f80f002e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20341d428b42dfec09f34ecd56ed646c4394ad0c3ea46e28da240005f80f002e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20341d428b42dfec09f34ecd56ed646c4394ad0c3ea46e28da240005f80f002e", kill_on_drop: false }` [INFO] [stdout] 20341d428b42dfec09f34ecd56ed646c4394ad0c3ea46e28da240005f80f002e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cc58283aa24d18d20ab5fae2fad9bdcf9d66eba090c86c87e30add59ba71ec3 [INFO] running `Command { std: "docker" "start" "-a" "2cc58283aa24d18d20ab5fae2fad9bdcf9d66eba090c86c87e30add59ba71ec3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling pam-sys v0.5.6 [INFO] [stderr] Compiling match_cfg v0.1.0 [INFO] [stderr] Compiling num_threads v0.1.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling bitflags v2.4.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling regex v1.7.1 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling users v0.8.1 [INFO] [stderr] Compiling rtoolbox v0.0.2 [INFO] [stderr] Compiling time v0.3.9 [INFO] [stderr] Compiling uzers v0.11.3 [INFO] [stderr] Compiling nix v0.27.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rpassword v7.3.1 [INFO] [stderr] Compiling pam v0.7.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling syslog v6.0.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling pleaser v0.5.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/please.rs:348:9 [INFO] [stdout] | [INFO] [stdout] 348 | / Command::new(&ro.cloned_args.as_ref().unwrap()[0]) [INFO] [stdout] 349 | | .args(ro.cloned_args.as_ref().unwrap().clone().split_off(1)) [INFO] [stdout] 350 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 348 | let _ = Command::new(&ro.cloned_args.as_ref().unwrap()[0]) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/please.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | Command::new(&ro.cloned_args.as_ref().unwrap()[0]).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 352 | let _ = Command::new(&ro.cloned_args.as_ref().unwrap()[0]).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/pleaseedit.rs:438:9 [INFO] [stdout] | [INFO] [stdout] 438 | / Command::new(editor.as_str()) [INFO] [stdout] 439 | | .arg(edit_file.as_ref().unwrap()) [INFO] [stdout] 440 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 438 | let _ = Command::new(editor.as_str()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/pleaseedit.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 442 | / Command::new(args[0]) [INFO] [stdout] 443 | | .args(&args[1..]) [INFO] [stdout] 444 | | .arg(edit_file.as_ref().unwrap()) [INFO] [stdout] 445 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 442 | let _ = Command::new(args[0]) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.97s [INFO] running `Command { std: "docker" "inspect" "2cc58283aa24d18d20ab5fae2fad9bdcf9d66eba090c86c87e30add59ba71ec3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cc58283aa24d18d20ab5fae2fad9bdcf9d66eba090c86c87e30add59ba71ec3", kill_on_drop: false }` [INFO] [stdout] 2cc58283aa24d18d20ab5fae2fad9bdcf9d66eba090c86c87e30add59ba71ec3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d765cb36ca15aafd879e5f96ef2b6426a7909b682c2f59176efe4cc5134be897 [INFO] running `Command { std: "docker" "start" "-a" "d765cb36ca15aafd879e5f96ef2b6426a7909b682c2f59176efe4cc5134be897", kill_on_drop: false }` [INFO] [stderr] Compiling pleaser v0.5.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/please.rs:348:9 [INFO] [stdout] | [INFO] [stdout] 348 | / Command::new(&ro.cloned_args.as_ref().unwrap()[0]) [INFO] [stdout] 349 | | .args(ro.cloned_args.as_ref().unwrap().clone().split_off(1)) [INFO] [stdout] 350 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 348 | let _ = Command::new(&ro.cloned_args.as_ref().unwrap()[0]) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/please.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | Command::new(&ro.cloned_args.as_ref().unwrap()[0]).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 352 | let _ = Command::new(&ro.cloned_args.as_ref().unwrap()[0]).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/pleaseedit.rs:438:9 [INFO] [stdout] | [INFO] [stdout] 438 | / Command::new(editor.as_str()) [INFO] [stdout] 439 | | .arg(edit_file.as_ref().unwrap()) [INFO] [stdout] 440 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 438 | let _ = Command::new(editor.as_str()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/pleaseedit.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 442 | / Command::new(args[0]) [INFO] [stdout] 443 | | .args(&args[1..]) [INFO] [stdout] 444 | | .arg(edit_file.as_ref().unwrap()) [INFO] [stdout] 445 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 442 | let _ = Command::new(args[0]) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/pleaseedit.rs:438:9 [INFO] [stdout] | [INFO] [stdout] 438 | / Command::new(editor.as_str()) [INFO] [stdout] 439 | | .arg(edit_file.as_ref().unwrap()) [INFO] [stdout] 440 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 438 | let _ = Command::new(editor.as_str()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/pleaseedit.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 442 | / Command::new(args[0]) [INFO] [stdout] 443 | | .args(&args[1..]) [INFO] [stdout] 444 | | .arg(edit_file.as_ref().unwrap()) [INFO] [stdout] 445 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 442 | let _ = Command::new(args[0]) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/please.rs:348:9 [INFO] [stdout] | [INFO] [stdout] 348 | / Command::new(&ro.cloned_args.as_ref().unwrap()[0]) [INFO] [stdout] 349 | | .args(ro.cloned_args.as_ref().unwrap().clone().split_off(1)) [INFO] [stdout] 350 | | .exec(); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 348 | let _ = Command::new(&ro.cloned_args.as_ref().unwrap()[0]) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `exec` that must be used [INFO] [stdout] --> src/bin/please.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | Command::new(&ro.cloned_args.as_ref().unwrap()[0]).exec(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 352 | let _ = Command::new(&ro.cloned_args.as_ref().unwrap()[0]).exec(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.06s [INFO] running `Command { std: "docker" "inspect" "d765cb36ca15aafd879e5f96ef2b6426a7909b682c2f59176efe4cc5134be897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d765cb36ca15aafd879e5f96ef2b6426a7909b682c2f59176efe4cc5134be897", kill_on_drop: false }` [INFO] [stdout] d765cb36ca15aafd879e5f96ef2b6426a7909b682c2f59176efe4cc5134be897