[INFO] fetching crate imag-ref 0.10.1...
[INFO] checking imag-ref-0.10.1 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate imag-ref 0.10.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imag-ref 0.10.1 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imag-ref 0.10.1
[INFO] finished tweaking crates.io crate imag-ref 0.10.1
[INFO] tweaked toml for crates.io crate imag-ref 0.10.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imag-ref 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 607ac7014ce62d8f32cc25cc48ae1366eb2d4e28cc010d41eae559c1b086df8d
[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" "607ac7014ce62d8f32cc25cc48ae1366eb2d4e28cc010d41eae559c1b086df8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "607ac7014ce62d8f32cc25cc48ae1366eb2d4e28cc010d41eae559c1b086df8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607ac7014ce62d8f32cc25cc48ae1366eb2d4e28cc010d41eae559c1b086df8d", kill_on_drop: false }`
[INFO] [stdout] 607ac7014ce62d8f32cc25cc48ae1366eb2d4e28cc010d41eae559c1b086df8d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--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] bb47d5c152794a6e9ede2241d9e1d9a4d52f5f5b057bb55c374d7edbfc22e866
[INFO] running `Command { std: "docker" "start" "-a" "bb47d5c152794a6e9ede2241d9e1d9a4d52f5f5b057bb55c374d7edbfc22e866", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking interactor v0.1.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking libimagerror v0.10.1
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking libimagutil v0.10.1
[INFO] [stderr]     Checking libimagstore v0.10.1
[INFO] [stderr]     Checking libimagentryutil v0.10.1
[INFO] [stderr]     Checking libimaginteraction v0.10.1
[INFO] [stderr]     Checking libimagrt v0.10.1
[INFO] [stderr]     Checking libimagentryref v0.10.1
[INFO] [stderr]     Checking imag-ref v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.64s
[INFO] running `Command { std: "docker" "inspect" "bb47d5c152794a6e9ede2241d9e1d9a4d52f5f5b057bb55c374d7edbfc22e866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb47d5c152794a6e9ede2241d9e1d9a4d52f5f5b057bb55c374d7edbfc22e866", kill_on_drop: false }`
[INFO] [stdout] bb47d5c152794a6e9ede2241d9e1d9a4d52f5f5b057bb55c374d7edbfc22e866