[INFO] crate rust_nb 0.1.1 is already in cache
[INFO] checking rust_nb-0.1.1 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate rust_nb 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rust_nb 0.1.1 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_nb 0.1.1
[INFO] finished tweaking crates.io crate rust_nb 0.1.1
[INFO] tweaked toml for crates.io crate rust_nb 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rust_nb 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b17be5f4037610b6a5a6e1ca1882f6fed3f6704d7e78fe257aac89b5fd94779
[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" "5b17be5f4037610b6a5a6e1ca1882f6fed3f6704d7e78fe257aac89b5fd94779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b17be5f4037610b6a5a6e1ca1882f6fed3f6704d7e78fe257aac89b5fd94779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b17be5f4037610b6a5a6e1ca1882f6fed3f6704d7e78fe257aac89b5fd94779", kill_on_drop: false }`
[INFO] [stdout] 5b17be5f4037610b6a5a6e1ca1882f6fed3f6704d7e78fe257aac89b5fd94779
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c5f230d59e7463a602c440738d054818623571cf590d194920d81bdab6ef45
[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" "95c5f230d59e7463a602c440738d054818623571cf590d194920d81bdab6ef45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_regex v0.4.0
[INFO] [stderr]     Checking rust_nb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.13s
[INFO] running `Command { std: "docker" "inspect" "95c5f230d59e7463a602c440738d054818623571cf590d194920d81bdab6ef45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c5f230d59e7463a602c440738d054818623571cf590d194920d81bdab6ef45", kill_on_drop: false }`
[INFO] [stdout] 95c5f230d59e7463a602c440738d054818623571cf590d194920d81bdab6ef45