[INFO] fetching crate justshow 0.0.1...
[INFO] testing justshow-0.0.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate justshow 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate justshow 0.0.1
[INFO] finished tweaking crates.io crate justshow 0.0.1
[INFO] tweaked toml for crates.io crate justshow 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate justshow 0.0.1 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 justshow 0.0.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a82df7e956ab26589ff83691ef769e01c458e0771edc71e883b898b9250b2a16
[INFO] running `Command { std: "docker" "start" "-a" "a82df7e956ab26589ff83691ef769e01c458e0771edc71e883b898b9250b2a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a82df7e956ab26589ff83691ef769e01c458e0771edc71e883b898b9250b2a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82df7e956ab26589ff83691ef769e01c458e0771edc71e883b898b9250b2a16", kill_on_drop: false }`
[INFO] [stdout] a82df7e956ab26589ff83691ef769e01c458e0771edc71e883b898b9250b2a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1d761dd691573cb90c5d444c9bccff8876bf4df28fe3717bf166c113d7e4dd19
[INFO] running `Command { std: "docker" "start" "-a" "1d761dd691573cb90c5d444c9bccff8876bf4df28fe3717bf166c113d7e4dd19", kill_on_drop: false }`
[INFO] [stderr]    Compiling justshow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/x11/xauth.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[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] 36 -             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[INFO] [stdout] 36 +             .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "1d761dd691573cb90c5d444c9bccff8876bf4df28fe3717bf166c113d7e4dd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d761dd691573cb90c5d444c9bccff8876bf4df28fe3717bf166c113d7e4dd19", kill_on_drop: false }`
[INFO] [stdout] 1d761dd691573cb90c5d444c9bccff8876bf4df28fe3717bf166c113d7e4dd19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6fa5b69747fed37a4c50e4539f8e70227982865429e27d0c6312023487b2707c
[INFO] running `Command { std: "docker" "start" "-a" "6fa5b69747fed37a4c50e4539f8e70227982865429e27d0c6312023487b2707c", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/x11/xauth.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[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] 36 -             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[INFO] [stdout] 36 +             .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling justshow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/x11/xauth.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[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] 36 -             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[INFO] [stdout] 36 +             .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "6fa5b69747fed37a4c50e4539f8e70227982865429e27d0c6312023487b2707c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa5b69747fed37a4c50e4539f8e70227982865429e27d0c6312023487b2707c", kill_on_drop: false }`
[INFO] [stdout] 6fa5b69747fed37a4c50e4539f8e70227982865429e27d0c6312023487b2707c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f63cd7c1d635a864c36cb08be009d100c2e546ef70b75adc743eb7f984ab67a3
[INFO] running `Command { std: "docker" "start" "-a" "f63cd7c1d635a864c36cb08be009d100c2e546ef70b75adc743eb7f984ab67a3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/x11/xauth.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[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] 36 -             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[INFO] [stderr] 36 +             .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `justshow` (lib) generated 1 warning (run `cargo fix --lib -p justshow` to apply 1 suggestion)
[INFO] [stderr] warning: `justshow` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/justshow-85fb79e67b6220e4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test x11::list_of_str_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/pong.rs (/opt/rustwide/target/debug/deps/pong-7eb73e45d9ab0be7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/xlsfonts.rs (/opt/rustwide/target/debug/deps/xlsfonts-7e601d6ecb2ae59f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]    Doc-tests justshow
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/x11/xauth.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[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] 36 -             .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?;
[INFO] [stderr] 36 +             .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "f63cd7c1d635a864c36cb08be009d100c2e546ef70b75adc743eb7f984ab67a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63cd7c1d635a864c36cb08be009d100c2e546ef70b75adc743eb7f984ab67a3", kill_on_drop: false }`
[INFO] [stdout] f63cd7c1d635a864c36cb08be009d100c2e546ef70b75adc743eb7f984ab67a3