[INFO] fetching crate treeline 0.1.0...
[INFO] testing treeline-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate treeline 0.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate treeline 0.1.0 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 treeline 0.1.0
[INFO] finished tweaking crates.io crate treeline 0.1.0
[INFO] tweaked toml for crates.io crate treeline 0.1.0 written to /workspace/builds/worker-28/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 48abda21590fb08f04ed234ae7ea002e5f33e6cc48488d8bfc6b4d4a190543f6
[INFO] running `Command { std: "docker" "start" "-a" "48abda21590fb08f04ed234ae7ea002e5f33e6cc48488d8bfc6b4d4a190543f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48abda21590fb08f04ed234ae7ea002e5f33e6cc48488d8bfc6b4d4a190543f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48abda21590fb08f04ed234ae7ea002e5f33e6cc48488d8bfc6b4d4a190543f6", kill_on_drop: false }`
[INFO] [stdout] 48abda21590fb08f04ed234ae7ea002e5f33e6cc48488d8bfc6b4d4a190543f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 470bea929697628242169665b35b223348de5d8bb50bf26ea4aa97dfa2986ce3
[INFO] running `Command { std: "docker" "start" "-a" "470bea929697628242169665b35b223348de5d8bb50bf26ea4aa97dfa2986ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling treeline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "470bea929697628242169665b35b223348de5d8bb50bf26ea4aa97dfa2986ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470bea929697628242169665b35b223348de5d8bb50bf26ea4aa97dfa2986ce3", kill_on_drop: false }`
[INFO] [stdout] 470bea929697628242169665b35b223348de5d8bb50bf26ea4aa97dfa2986ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] e3067cd09d730fff6474b314768d7095070c48a9856b6301b8f3a81183803f0b
[INFO] running `Command { std: "docker" "start" "-a" "e3067cd09d730fff6474b314768d7095070c48a9856b6301b8f3a81183803f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling treeline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "e3067cd09d730fff6474b314768d7095070c48a9856b6301b8f3a81183803f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3067cd09d730fff6474b314768d7095070c48a9856b6301b8f3a81183803f0b", kill_on_drop: false }`
[INFO] [stdout] e3067cd09d730fff6474b314768d7095070c48a9856b6301b8f3a81183803f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 7d5071bc0786f799a90dbb62c7696f43fa9f329a3e7ceae72c8e0b8941bea40a
[INFO] running `Command { std: "docker" "start" "-a" "7d5071bc0786f799a90dbb62c7696f43fa9f329a3e7ceae72c8e0b8941bea40a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treeline-97c96dd858b39551)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::render_tree_root ... ok
[INFO] [stdout] test tests::render_tree_with_leaves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treeline
[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" "7d5071bc0786f799a90dbb62c7696f43fa9f329a3e7ceae72c8e0b8941bea40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5071bc0786f799a90dbb62c7696f43fa9f329a3e7ceae72c8e0b8941bea40a", kill_on_drop: false }`
[INFO] [stdout] 7d5071bc0786f799a90dbb62c7696f43fa9f329a3e7ceae72c8e0b8941bea40a