[INFO] fetching crate rsblocks 0.1.5...
[INFO] checking rsblocks-0.1.5 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate rsblocks 0.1.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rsblocks 0.1.5 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsblocks 0.1.5
[INFO] finished tweaking crates.io crate rsblocks 0.1.5
[INFO] tweaked toml for crates.io crate rsblocks 0.1.5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rsblocks 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cbe6e766e16c0d0b638bfeb6cc3f75268da1b5f4a89e5168f84e9b02eb15130
[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" "5cbe6e766e16c0d0b638bfeb6cc3f75268da1b5f4a89e5168f84e9b02eb15130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cbe6e766e16c0d0b638bfeb6cc3f75268da1b5f4a89e5168f84e9b02eb15130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbe6e766e16c0d0b638bfeb6cc3f75268da1b5f4a89e5168f84e9b02eb15130", kill_on_drop: false }`
[INFO] [stdout] 5cbe6e766e16c0d0b638bfeb6cc3f75268da1b5f4a89e5168f84e9b02eb15130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43ce73e4690fbfe6e52c40dd68ff95130a173f6a921b064f8300a3b7fb896af4
[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" "43ce73e4690fbfe6e52c40dd68ff95130a173f6a921b064f8300a3b7fb896af4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling minreq v2.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking breadx v0.1.11
[INFO] [stderr]     Checking rsblocks v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.75s
[INFO] running `Command { std: "docker" "inspect" "43ce73e4690fbfe6e52c40dd68ff95130a173f6a921b064f8300a3b7fb896af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ce73e4690fbfe6e52c40dd68ff95130a173f6a921b064f8300a3b7fb896af4", kill_on_drop: false }`
[INFO] [stdout] 43ce73e4690fbfe6e52c40dd68ff95130a173f6a921b064f8300a3b7fb896af4