[INFO] fetching crate appendlist 1.4.0...
[INFO] testing appendlist-1.4.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate appendlist 1.4.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate appendlist 1.4.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate appendlist 1.4.0
[INFO] finished tweaking crates.io crate appendlist 1.4.0
[INFO] tweaked toml for crates.io crate appendlist 1.4.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61e5cc1a5e57af8f19d5de84334686a27906d90ac47a3c6f456dc9f5239cd550
[INFO] running `Command { std: "docker" "start" "-a" "61e5cc1a5e57af8f19d5de84334686a27906d90ac47a3c6f456dc9f5239cd550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e5cc1a5e57af8f19d5de84334686a27906d90ac47a3c6f456dc9f5239cd550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e5cc1a5e57af8f19d5de84334686a27906d90ac47a3c6f456dc9f5239cd550", kill_on_drop: false }`
[INFO] [stdout] 61e5cc1a5e57af8f19d5de84334686a27906d90ac47a3c6f456dc9f5239cd550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005f1de2692680b351ac1cc31707e7f4940a7ae1b052276933e3c414c521e204
[INFO] running `Command { std: "docker" "start" "-a" "005f1de2692680b351ac1cc31707e7f4940a7ae1b052276933e3c414c521e204", kill_on_drop: false }`
[INFO] [stderr]    Compiling appendlist v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "005f1de2692680b351ac1cc31707e7f4940a7ae1b052276933e3c414c521e204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005f1de2692680b351ac1cc31707e7f4940a7ae1b052276933e3c414c521e204", kill_on_drop: false }`
[INFO] [stdout] 005f1de2692680b351ac1cc31707e7f4940a7ae1b052276933e3c414c521e204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4a534891de3394fd454c31a2aa2e1059053125f9e2cc7aff2f1eb3249184d0
[INFO] running `Command { std: "docker" "start" "-a" "4d4a534891de3394fd454c31a2aa2e1059053125f9e2cc7aff2f1eb3249184d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling appendlist v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "4d4a534891de3394fd454c31a2aa2e1059053125f9e2cc7aff2f1eb3249184d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4a534891de3394fd454c31a2aa2e1059053125f9e2cc7aff2f1eb3249184d0", kill_on_drop: false }`
[INFO] [stdout] 4d4a534891de3394fd454c31a2aa2e1059053125f9e2cc7aff2f1eb3249184d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbdb4125c120b785a97b8073937d83563b05a7ca366eb9619440c046b19e228a
[INFO] running `Command { std: "docker" "start" "-a" "bbdb4125c120b785a97b8073937d83563b05a7ca366eb9619440c046b19e228a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/appendlist-2b764ba500426be7)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::chunk_sizes_make_sense ... ok
[INFO] [stdout] test test::empty_list ... ok
[INFO] [stdout] test test::equality ... ok
[INFO] [stdout] test test::from_iterator ... ok
[INFO] [stdout] test test::iterator ... ok
[INFO] [stdout] test test::million_item_list ... ignored
[INFO] [stdout] test test::iterator_size_hint ... ok
[INFO] [stdout] test test::thousand_item_list ... ok
[INFO] [stdout] test test::index_chunk_matches_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests appendlist
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 32) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - AppendList (line 124) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbdb4125c120b785a97b8073937d83563b05a7ca366eb9619440c046b19e228a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdb4125c120b785a97b8073937d83563b05a7ca366eb9619440c046b19e228a", kill_on_drop: false }`
[INFO] [stdout] bbdb4125c120b785a97b8073937d83563b05a7ca366eb9619440c046b19e228a