[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
