[INFO] fetching crate owned-singleton 0.1.0...
[INFO] testing owned-singleton-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate owned-singleton 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate owned-singleton 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 owned-singleton 0.1.0
[INFO] finished tweaking crates.io crate owned-singleton 0.1.0
[INFO] tweaked toml for crates.io crate owned-singleton 0.1.0 written to /workspace/builds/worker-17/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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 84eb8966e2ea47dbfb46aed13b3bbb32d7a685f9e5c9085dc4d83945ed37abcf
[INFO] running `Command { std: "docker" "start" "-a" "84eb8966e2ea47dbfb46aed13b3bbb32d7a685f9e5c9085dc4d83945ed37abcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84eb8966e2ea47dbfb46aed13b3bbb32d7a685f9e5c9085dc4d83945ed37abcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84eb8966e2ea47dbfb46aed13b3bbb32d7a685f9e5c9085dc4d83945ed37abcf", kill_on_drop: false }`
[INFO] [stdout] 84eb8966e2ea47dbfb46aed13b3bbb32d7a685f9e5c9085dc4d83945ed37abcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] ecd164f08a7b8b4591c83b193dc054a8840787f4f88255a294461d1f6373d232
[INFO] running `Command { std: "docker" "start" "-a" "ecd164f08a7b8b4591c83b193dc054a8840787f4f88255a294461d1f6373d232", 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] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling owned-singleton-macros v0.1.0
[INFO] [stderr]    Compiling owned-singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "ecd164f08a7b8b4591c83b193dc054a8840787f4f88255a294461d1f6373d232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd164f08a7b8b4591c83b193dc054a8840787f4f88255a294461d1f6373d232", kill_on_drop: false }`
[INFO] [stdout] ecd164f08a7b8b4591c83b193dc054a8840787f4f88255a294461d1f6373d232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 053baa69c9618dba1c443be0a367556c0b85b3e23100509d918d9c2dc1842408
[INFO] running `Command { std: "docker" "start" "-a" "053baa69c9618dba1c443be0a367556c0b85b3e23100509d918d9c2dc1842408", kill_on_drop: false }`
[INFO] [stderr]    Compiling owned-singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "053baa69c9618dba1c443be0a367556c0b85b3e23100509d918d9c2dc1842408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053baa69c9618dba1c443be0a367556c0b85b3e23100509d918d9c2dc1842408", kill_on_drop: false }`
[INFO] [stdout] 053baa69c9618dba1c443be0a367556c0b85b3e23100509d918d9c2dc1842408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 46ff5455db22582efdbfff3ff0b77df47c33ad8a66698156618a927e821c4e5d
[INFO] running `Command { std: "docker" "start" "-a" "46ff5455db22582efdbfff3ff0b77df47c33ad8a66698156618a927e821c4e5d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/owned_singleton-25e2680badeb0a71)
[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 owned-singleton
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46ff5455db22582efdbfff3ff0b77df47c33ad8a66698156618a927e821c4e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ff5455db22582efdbfff3ff0b77df47c33ad8a66698156618a927e821c4e5d", kill_on_drop: false }`
[INFO] [stdout] 46ff5455db22582efdbfff3ff0b77df47c33ad8a66698156618a927e821c4e5d