[INFO] fetching crate justshow 0.0.1...
[INFO] testing justshow-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate justshow 0.0.1 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate justshow 0.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1d7a340bf4bdd5e8787cf1181f80c703ec217a0152904fbc2042a6e65ee786b
[INFO] running `Command { std: "docker" "start" "-a" "f1d7a340bf4bdd5e8787cf1181f80c703ec217a0152904fbc2042a6e65ee786b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1d7a340bf4bdd5e8787cf1181f80c703ec217a0152904fbc2042a6e65ee786b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d7a340bf4bdd5e8787cf1181f80c703ec217a0152904fbc2042a6e65ee786b", kill_on_drop: false }`
[INFO] [stdout] f1d7a340bf4bdd5e8787cf1181f80c703ec217a0152904fbc2042a6e65ee786b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb6ae19115f837fcf2a43d62c69e64acc7fecce3cf35e1bac1c7d664e826f58
[INFO] running `Command { std: "docker" "start" "-a" "bdb6ae19115f837fcf2a43d62c69e64acc7fecce3cf35e1bac1c7d664e826f58", 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 2.77s
[INFO] running `Command { std: "docker" "inspect" "bdb6ae19115f837fcf2a43d62c69e64acc7fecce3cf35e1bac1c7d664e826f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb6ae19115f837fcf2a43d62c69e64acc7fecce3cf35e1bac1c7d664e826f58", kill_on_drop: false }`
[INFO] [stdout] bdb6ae19115f837fcf2a43d62c69e64acc7fecce3cf35e1bac1c7d664e826f58
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f806b3df474694ae19617c54355de5390927299d175e83e6665d640ad57c766
[INFO] running `Command { std: "docker" "start" "-a" "1f806b3df474694ae19617c54355de5390927299d175e83e6665d640ad57c766", 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] [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 2.12s
[INFO] running `Command { std: "docker" "inspect" "1f806b3df474694ae19617c54355de5390927299d175e83e6665d640ad57c766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f806b3df474694ae19617c54355de5390927299d175e83e6665d640ad57c766", kill_on_drop: false }`
[INFO] [stdout] 1f806b3df474694ae19617c54355de5390927299d175e83e6665d640ad57c766
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5be2755101e27789e3fe18e92af050d1824eed48fa4b9d26b87a531897dcb49
[INFO] running `Command { std: "docker" "start" "-a" "b5be2755101e27789e3fe18e92af050d1824eed48fa4b9d26b87a531897dcb49", 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/justshow-85fb79e67b6220e4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/bin/pong.rs (/opt/rustwide/target/debug/deps/pong-7eb73e45d9ab0be7)
[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] [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" "b5be2755101e27789e3fe18e92af050d1824eed48fa4b9d26b87a531897dcb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5be2755101e27789e3fe18e92af050d1824eed48fa4b9d26b87a531897dcb49", kill_on_drop: false }`
[INFO] [stdout] b5be2755101e27789e3fe18e92af050d1824eed48fa4b9d26b87a531897dcb49