[INFO] fetching crate single-instance 0.3.3...
[INFO] testing single-instance-0.3.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate single-instance 0.3.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate single-instance 0.3.3 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 single-instance 0.3.3
[INFO] finished tweaking crates.io crate single-instance 0.3.3
[INFO] tweaked toml for crates.io crate single-instance 0.3.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate single-instance 0.3.3 already has a lockfile, it will not be regenerated
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 03c9a98a4aa5d2ebc49568dfe391f72c45b2c277028475b36d9fe82372088fa9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03c9a98a4aa5d2ebc49568dfe391f72c45b2c277028475b36d9fe82372088fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03c9a98a4aa5d2ebc49568dfe391f72c45b2c277028475b36d9fe82372088fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c9a98a4aa5d2ebc49568dfe391f72c45b2c277028475b36d9fe82372088fa9", kill_on_drop: false }`
[INFO] [stdout] 03c9a98a4aa5d2ebc49568dfe391f72c45b2c277028475b36d9fe82372088fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] da22e468851c68bb242364a57b18ba2a54ba8ed4587212cbd071cfbe0923541c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da22e468851c68bb242364a57b18ba2a54ba8ed4587212cbd071cfbe0923541c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling widestring v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nix v0.23.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling single-instance v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.82s
[INFO] running `Command { std: "docker" "inspect" "da22e468851c68bb242364a57b18ba2a54ba8ed4587212cbd071cfbe0923541c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da22e468851c68bb242364a57b18ba2a54ba8ed4587212cbd071cfbe0923541c", kill_on_drop: false }`
[INFO] [stdout] da22e468851c68bb242364a57b18ba2a54ba8ed4587212cbd071cfbe0923541c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4849f4516d15bf2bf84158ac69870f7769c23b3d216d69c213438b1847a0b03f
[INFO] running `Command { std: "docker" "start" "-a" "4849f4516d15bf2bf84158ac69870f7769c23b3d216d69c213438b1847a0b03f", kill_on_drop: false }`
[INFO] [stderr]    Compiling single-instance v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "4849f4516d15bf2bf84158ac69870f7769c23b3d216d69c213438b1847a0b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4849f4516d15bf2bf84158ac69870f7769c23b3d216d69c213438b1847a0b03f", kill_on_drop: false }`
[INFO] [stdout] 4849f4516d15bf2bf84158ac69870f7769c23b3d216d69c213438b1847a0b03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 319e0fc767f74eb77cc207eb25fa529571e9683df5970a790637ab913b7e21b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "319e0fc767f74eb77cc207eb25fa529571e9683df5970a790637ab913b7e21b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/single_instance-6c7ee3b1c33e7b71)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests single-instance
[INFO] [stdout] test test_single_instance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "319e0fc767f74eb77cc207eb25fa529571e9683df5970a790637ab913b7e21b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319e0fc767f74eb77cc207eb25fa529571e9683df5970a790637ab913b7e21b8", kill_on_drop: false }`
[INFO] [stdout] 319e0fc767f74eb77cc207eb25fa529571e9683df5970a790637ab913b7e21b8