[INFO] fetching crate rev 0.4.1...
[INFO] testing rev-0.4.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rev 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rev 0.4.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rev 0.4.1
[INFO] finished tweaking crates.io crate rev 0.4.1
[INFO] tweaked toml for crates.io crate rev 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 035e0314133bbae1cdf2850cb5deab999d3e49f8ee9ddfb31b7d6a1a1b8366c9
[INFO] running `Command { std: "docker" "start" "-a" "035e0314133bbae1cdf2850cb5deab999d3e49f8ee9ddfb31b7d6a1a1b8366c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035e0314133bbae1cdf2850cb5deab999d3e49f8ee9ddfb31b7d6a1a1b8366c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035e0314133bbae1cdf2850cb5deab999d3e49f8ee9ddfb31b7d6a1a1b8366c9", kill_on_drop: false }`
[INFO] [stdout] 035e0314133bbae1cdf2850cb5deab999d3e49f8ee9ddfb31b7d6a1a1b8366c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e491824a2a133da1358b48f13a289a5bfd730cda110f5ba20fd4c49fc461a415
[INFO] running `Command { std: "docker" "start" "-a" "e491824a2a133da1358b48f13a289a5bfd730cda110f5ba20fd4c49fc461a415", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rev v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e491824a2a133da1358b48f13a289a5bfd730cda110f5ba20fd4c49fc461a415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e491824a2a133da1358b48f13a289a5bfd730cda110f5ba20fd4c49fc461a415", kill_on_drop: false }`
[INFO] [stdout] e491824a2a133da1358b48f13a289a5bfd730cda110f5ba20fd4c49fc461a415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40b37a90f7e290b539bce218e29f3dc124725071cec7865f376af9ff6fe6b487
[INFO] running `Command { std: "docker" "start" "-a" "40b37a90f7e290b539bce218e29f3dc124725071cec7865f376af9ff6fe6b487", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "40b37a90f7e290b539bce218e29f3dc124725071cec7865f376af9ff6fe6b487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b37a90f7e290b539bce218e29f3dc124725071cec7865f376af9ff6fe6b487", kill_on_drop: false }`
[INFO] [stdout] 40b37a90f7e290b539bce218e29f3dc124725071cec7865f376af9ff6fe6b487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1710ece855ba82990bad2c8fd6d30bc2302b99ec24b45e1eef50adc428c8643
[INFO] running `Command { std: "docker" "start" "-a" "a1710ece855ba82990bad2c8fd6d30bc2302b99ec24b45e1eef50adc428c8643", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rev-5d6b4527c54c9985)
[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 rev
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Rev::rev (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Rev::rev (line 10) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:14:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | let d: Vec<i32> = x.into_iter().map(|&x| x).collect();
[INFO] [stdout]   |                                      ^--
[INFO] [stdout]   |                                      ||
[INFO] [stdout]   |                                      |expected due to this
[INFO] [stdout]   |                                      expected integer, found reference
[INFO] [stdout]   |                                      help: did you mean `x`: `&{integer}`
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected type `{integer}`
[INFO] [stdout]           found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Rev::rev (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "a1710ece855ba82990bad2c8fd6d30bc2302b99ec24b45e1eef50adc428c8643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1710ece855ba82990bad2c8fd6d30bc2302b99ec24b45e1eef50adc428c8643", kill_on_drop: false }`
[INFO] [stdout] a1710ece855ba82990bad2c8fd6d30bc2302b99ec24b45e1eef50adc428c8643