[INFO] fetching crate traitsequence 0.4.2...
[INFO] testing traitsequence-0.4.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate traitsequence 0.4.2 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate traitsequence 0.4.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate traitsequence 0.4.2
[INFO] finished tweaking crates.io crate traitsequence 0.4.2
[INFO] tweaked toml for crates.io crate traitsequence 0.4.2 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 828b8ed259a3b861932e492fb98e5f24cad1dd221cc303fb6682259a52c9aba7
[INFO] running `Command { std: "docker" "start" "-a" "828b8ed259a3b861932e492fb98e5f24cad1dd221cc303fb6682259a52c9aba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "828b8ed259a3b861932e492fb98e5f24cad1dd221cc303fb6682259a52c9aba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828b8ed259a3b861932e492fb98e5f24cad1dd221cc303fb6682259a52c9aba7", kill_on_drop: false }`
[INFO] [stdout] 828b8ed259a3b861932e492fb98e5f24cad1dd221cc303fb6682259a52c9aba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7479e1480d51f17621e5927da2ec952cac0abf6aefd856002035f5e623afdc4f
[INFO] running `Command { std: "docker" "start" "-a" "7479e1480d51f17621e5927da2ec952cac0abf6aefd856002035f5e623afdc4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitsequence v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "7479e1480d51f17621e5927da2ec952cac0abf6aefd856002035f5e623afdc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7479e1480d51f17621e5927da2ec952cac0abf6aefd856002035f5e623afdc4f", kill_on_drop: false }`
[INFO] [stdout] 7479e1480d51f17621e5927da2ec952cac0abf6aefd856002035f5e623afdc4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5dccca3f8875f546ddcc0d58d85da6db8f9b6b2eacab780434d0a6c6cbd26a
[INFO] running `Command { std: "docker" "start" "-a" "cf5dccca3f8875f546ddcc0d58d85da6db8f9b6b2eacab780434d0a6c6cbd26a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling traitsequence v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "cf5dccca3f8875f546ddcc0d58d85da6db8f9b6b2eacab780434d0a6c6cbd26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5dccca3f8875f546ddcc0d58d85da6db8f9b6b2eacab780434d0a6c6cbd26a", kill_on_drop: false }`
[INFO] [stdout] cf5dccca3f8875f546ddcc0d58d85da6db8f9b6b2eacab780434d0a6c6cbd26a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 323c9e831e1575f81d245aa2493d59ce19cfe722b55ea815fc1393391cbfb900
[INFO] running `Command { std: "docker" "start" "-a" "323c9e831e1575f81d245aa2493d59ce19cfe722b55ea815fc1393391cbfb900", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traitsequence-b4b3471ce218913a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test implementation::slice::tests::test_len ... ok
[INFO] [stderr]    Doc-tests traitsequence
[INFO] [stdout] test interface::tests::test_merge_sequences_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/interface.rs - interface::Sequence::to_debug_string (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "323c9e831e1575f81d245aa2493d59ce19cfe722b55ea815fc1393391cbfb900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323c9e831e1575f81d245aa2493d59ce19cfe722b55ea815fc1393391cbfb900", kill_on_drop: false }`
[INFO] [stdout] 323c9e831e1575f81d245aa2493d59ce19cfe722b55ea815fc1393391cbfb900