[INFO] fetching crate slog-kickstarter 0.2.0...
[INFO] checking slog-kickstarter-0.2.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate slog-kickstarter 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slog-kickstarter 0.2.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-kickstarter 0.2.0
[INFO] finished tweaking crates.io crate slog-kickstarter 0.2.0
[INFO] tweaked toml for crates.io crate slog-kickstarter 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate slog-kickstarter 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-envlogger v2.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c78a27e5417ecd96b21de9ef5bd1db926546f193f20f6a42efa3c757069b560a
[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" "c78a27e5417ecd96b21de9ef5bd1db926546f193f20f6a42efa3c757069b560a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c78a27e5417ecd96b21de9ef5bd1db926546f193f20f6a42efa3c757069b560a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78a27e5417ecd96b21de9ef5bd1db926546f193f20f6a42efa3c757069b560a", kill_on_drop: false }`
[INFO] [stdout] c78a27e5417ecd96b21de9ef5bd1db926546f193f20f6a42efa3c757069b560a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef8c88488fd9dd558846905b7125e8951603009d8b4d81b1cfa914173d529bbf
[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" "ef8c88488fd9dd558846905b7125e8951603009d8b4d81b1cfa914173d529bbf", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking slog-envlogger v2.2.0
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-kickstarter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "ef8c88488fd9dd558846905b7125e8951603009d8b4d81b1cfa914173d529bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8c88488fd9dd558846905b7125e8951603009d8b4d81b1cfa914173d529bbf", kill_on_drop: false }`
[INFO] [stdout] ef8c88488fd9dd558846905b7125e8951603009d8b4d81b1cfa914173d529bbf