[INFO] fetching crate stakker_log 0.0.3...
[INFO] testing stakker_log-0.0.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate stakker_log 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate stakker_log 0.0.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stakker_log 0.0.3
[INFO] finished tweaking crates.io crate stakker_log 0.0.3
[INFO] tweaked toml for crates.io crate stakker_log 0.0.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stakker v0.2.4
[INFO] [stderr]   Downloaded qcell v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b150a07304d2ffa40a4a25061284d1e55bd223f5cf6bb00f1bcd7a5c8eb9ffed
[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" "b150a07304d2ffa40a4a25061284d1e55bd223f5cf6bb00f1bcd7a5c8eb9ffed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b150a07304d2ffa40a4a25061284d1e55bd223f5cf6bb00f1bcd7a5c8eb9ffed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b150a07304d2ffa40a4a25061284d1e55bd223f5cf6bb00f1bcd7a5c8eb9ffed", kill_on_drop: false }`
[INFO] [stdout] b150a07304d2ffa40a4a25061284d1e55bd223f5cf6bb00f1bcd7a5c8eb9ffed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbbc128e03803a16801df566f37a0c8a3e189d5dc7a99d63397f94ef70eee18e
[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" "fbbc128e03803a16801df566f37a0c8a3e189d5dc7a99d63397f94ef70eee18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling qcell v0.4.3
[INFO] [stderr]    Compiling stakker v0.2.4
[INFO] [stderr]    Compiling stakker_log v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "fbbc128e03803a16801df566f37a0c8a3e189d5dc7a99d63397f94ef70eee18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbc128e03803a16801df566f37a0c8a3e189d5dc7a99d63397f94ef70eee18e", kill_on_drop: false }`
[INFO] [stdout] fbbc128e03803a16801df566f37a0c8a3e189d5dc7a99d63397f94ef70eee18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67614c28431ae95d2c3563b0855a44151cf1238b71160cee4939c3bf11c858e5
[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" "67614c28431ae95d2c3563b0855a44151cf1238b71160cee4939c3bf11c858e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling stakker_log v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "67614c28431ae95d2c3563b0855a44151cf1238b71160cee4939c3bf11c858e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67614c28431ae95d2c3563b0855a44151cf1238b71160cee4939c3bf11c858e5", kill_on_drop: false }`
[INFO] [stdout] 67614c28431ae95d2c3563b0855a44151cf1238b71160cee4939c3bf11c858e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8dbdef87b6e0df3a67abd59fbf6761b35a8edb087e3335ed2db2ab9427fd3cc
[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" "b8dbdef87b6e0df3a67abd59fbf6761b35a8edb087e3335ed2db2ab9427fd3cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stakker_log-664cfc764f37aa37)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::error_formatting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stakker_log
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8dbdef87b6e0df3a67abd59fbf6761b35a8edb087e3335ed2db2ab9427fd3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8dbdef87b6e0df3a67abd59fbf6761b35a8edb087e3335ed2db2ab9427fd3cc", kill_on_drop: false }`
[INFO] [stdout] b8dbdef87b6e0df3a67abd59fbf6761b35a8edb087e3335ed2db2ab9427fd3cc