[INFO] fetching crate lngcnv 1.10.2...
[INFO] testing lngcnv-1.10.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate lngcnv 1.10.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate lngcnv 1.10.2
[INFO] finished tweaking crates.io crate lngcnv 1.10.2
[INFO] tweaked toml for crates.io crate lngcnv 1.10.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lngcnv 1.10.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lngcnv 1.10.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8111fb886dd5e07bcb259d53b247d2a26d353925a5e02295db2c9c1bb39feca7
[INFO] running `Command { std: "docker" "start" "-a" "8111fb886dd5e07bcb259d53b247d2a26d353925a5e02295db2c9c1bb39feca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8111fb886dd5e07bcb259d53b247d2a26d353925a5e02295db2c9c1bb39feca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8111fb886dd5e07bcb259d53b247d2a26d353925a5e02295db2c9c1bb39feca7", kill_on_drop: false }`
[INFO] [stdout] 8111fb886dd5e07bcb259d53b247d2a26d353925a5e02295db2c9c1bb39feca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7d6cb695cf528d14eaf71e07242808457ee9039a2107de9c84dfc190746d78
[INFO] running `Command { std: "docker" "start" "-a" "bc7d6cb695cf528d14eaf71e07242808457ee9039a2107de9c84dfc190746d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling lngcnv v1.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lang.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     assert!((arg_cnt != 1), "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stdout]    |             ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -     assert!((arg_cnt != 1), "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stdout] 37 +     assert!( arg_cnt != 1, "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "bc7d6cb695cf528d14eaf71e07242808457ee9039a2107de9c84dfc190746d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7d6cb695cf528d14eaf71e07242808457ee9039a2107de9c84dfc190746d78", kill_on_drop: false }`
[INFO] [stdout] bc7d6cb695cf528d14eaf71e07242808457ee9039a2107de9c84dfc190746d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 351595c11cc3bfbe2a8b727820544175ce70d9b4a45e597e5d30650b838fc13d
[INFO] running `Command { std: "docker" "start" "-a" "351595c11cc3bfbe2a8b727820544175ce70d9b4a45e597e5d30650b838fc13d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lngcnv v1.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lang.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     assert!((arg_cnt != 1), "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stdout]    |             ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -     assert!((arg_cnt != 1), "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stdout] 37 +     assert!( arg_cnt != 1, "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "351595c11cc3bfbe2a8b727820544175ce70d9b4a45e597e5d30650b838fc13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351595c11cc3bfbe2a8b727820544175ce70d9b4a45e597e5d30650b838fc13d", kill_on_drop: false }`
[INFO] [stdout] 351595c11cc3bfbe2a8b727820544175ce70d9b4a45e597e5d30650b838fc13d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d957d98174d87dd89b0c1c4b2bcc58613e9f5bad5ed2b8c0119bbc1cbaab6d12
[INFO] running `Command { std: "docker" "start" "-a" "d957d98174d87dd89b0c1c4b2bcc58613e9f5bad5ed2b8c0119bbc1cbaab6d12", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/lang.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     assert!((arg_cnt != 1), "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stderr]    |             ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 -     assert!((arg_cnt != 1), "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stderr] 37 +     assert!( arg_cnt != 1, "{}", &(red.to_owned() + "Missing arguments! See: --help" + reset));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `lngcnv` (bin "lngcnv" test) generated 1 warning (run `cargo fix --bin "lngcnv" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lngcnv-b513a680d270034e)
[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" "d957d98174d87dd89b0c1c4b2bcc58613e9f5bad5ed2b8c0119bbc1cbaab6d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d957d98174d87dd89b0c1c4b2bcc58613e9f5bad5ed2b8c0119bbc1cbaab6d12", kill_on_drop: false }`
[INFO] [stdout] d957d98174d87dd89b0c1c4b2bcc58613e9f5bad5ed2b8c0119bbc1cbaab6d12