[INFO] fetching crate shell-candy 0.4.0...
[INFO] testing shell-candy-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate shell-candy 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate shell-candy 0.4.0
[INFO] finished tweaking crates.io crate shell-candy 0.4.0
[INFO] tweaked toml for crates.io crate shell-candy 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shell-candy 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shell-candy 0.4.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded which v4.3.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b45576b5dc96a0d6a28f53ced29f759ee22698905bdbef32dadbe8327f636e67
[INFO] running `Command { std: "docker" "start" "-a" "b45576b5dc96a0d6a28f53ced29f759ee22698905bdbef32dadbe8327f636e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b45576b5dc96a0d6a28f53ced29f759ee22698905bdbef32dadbe8327f636e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45576b5dc96a0d6a28f53ced29f759ee22698905bdbef32dadbe8327f636e67", kill_on_drop: false }`
[INFO] [stdout] b45576b5dc96a0d6a28f53ced29f759ee22698905bdbef32dadbe8327f636e67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef3bdd2ce95ecf7b816022f14db610bb444cbe039384147823ebaf027104378d
[INFO] running `Command { std: "docker" "start" "-a" "ef3bdd2ce95ecf7b816022f14db610bb444cbe039384147823ebaf027104378d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling shell-candy v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "ef3bdd2ce95ecf7b816022f14db610bb444cbe039384147823ebaf027104378d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3bdd2ce95ecf7b816022f14db610bb444cbe039384147823ebaf027104378d", kill_on_drop: false }`
[INFO] [stdout] ef3bdd2ce95ecf7b816022f14db610bb444cbe039384147823ebaf027104378d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bedae900004d78bbbe4ac82b1b3babf19e044102d1c193a0b596219a0c2670a
[INFO] running `Command { std: "docker" "start" "-a" "2bedae900004d78bbbe4ac82b1b3babf19e044102d1c193a0b596219a0c2670a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling mio v0.8.5
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[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling ipnet v2.5.1
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.77
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling shell-candy v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.23
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[INFO] [stderr]    Compiling reqwest v0.11.12
[INFO] [stdout] warning: unused import: `ShellTaskLog`
[INFO] [stdout]  --> examples/no_rust_two_dot_oh.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use shell_candy::{ShellTask, ShellTaskBehavior, ShellTaskLog, ShellTaskOutput};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> examples/no_rust_two_dot_oh.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let task_result = task.run(|line| ShellTaskBehavior::<()>::Passthrough)?;
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 43.05s
[INFO] running `Command { std: "docker" "inspect" "2bedae900004d78bbbe4ac82b1b3babf19e044102d1c193a0b596219a0c2670a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bedae900004d78bbbe4ac82b1b3babf19e044102d1c193a0b596219a0c2670a", kill_on_drop: false }`
[INFO] [stdout] 2bedae900004d78bbbe4ac82b1b3babf19e044102d1c193a0b596219a0c2670a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d619df03da55eaeedeb3b3eaa456be1637742150970403b1f7a9ba7fba754685
[INFO] running `Command { std: "docker" "start" "-a" "d619df03da55eaeedeb3b3eaa456be1637742150970403b1f7a9ba7fba754685", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ShellTaskLog`
[INFO] [stderr]  --> examples/no_rust_two_dot_oh.rs:3:49
[INFO] [stderr]   |
[INFO] [stderr] 3 | use shell_candy::{ShellTask, ShellTaskBehavior, ShellTaskLog, ShellTaskOutput};
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> examples/no_rust_two_dot_oh.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let task_result = task.run(|line| ShellTaskBehavior::<()>::Passthrough)?;
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shell-candy` (example "no_rust_two_dot_oh") generated 2 warnings (run `cargo fix --example "no_rust_two_dot_oh"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shell_candy-94cb0bdbf227adec)
[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 shell_candy
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... FAILED
[INFO] [stdout] test src/task/mod.rs - task::ShellTask::run (line 143) ... ok
[INFO] [stdout] test src/task/mod.rs - task::ShellTask::run (line 117) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 29) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: 'git log' failed with exit status: 128.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 29)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d619df03da55eaeedeb3b3eaa456be1637742150970403b1f7a9ba7fba754685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d619df03da55eaeedeb3b3eaa456be1637742150970403b1f7a9ba7fba754685", kill_on_drop: false }`
[INFO] [stdout] d619df03da55eaeedeb3b3eaa456be1637742150970403b1f7a9ba7fba754685