[INFO] fetching crate cargo-open 0.4.0...
[INFO] checking cargo-open-0.4.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate cargo-open 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cargo-open 0.4.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-open 0.4.0
[INFO] finished tweaking crates.io crate cargo-open 0.4.0
[INFO] tweaked toml for crates.io crate cargo-open 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f01f3fe0fcad1c1d73539944c2e6549f33585ffc474270a944684d92fc504dc
[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" "1f01f3fe0fcad1c1d73539944c2e6549f33585ffc474270a944684d92fc504dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f01f3fe0fcad1c1d73539944c2e6549f33585ffc474270a944684d92fc504dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f01f3fe0fcad1c1d73539944c2e6549f33585ffc474270a944684d92fc504dc", kill_on_drop: false }`
[INFO] [stdout] 1f01f3fe0fcad1c1d73539944c2e6549f33585ffc474270a944684d92fc504dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 951116f0d01dd9ecff5501ecd2bcef0b2bb24c8fab6cbc71966aa43fa2fa09f1
[INFO] running `Command { std: "docker" "start" "-a" "951116f0d01dd9ecff5501ecd2bcef0b2bb24c8fab6cbc71966aa43fa2fa09f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking crates-io v0.25.0
[INFO] [stderr]     Checking cargo v0.37.0
[INFO] [stderr]     Checking cargo-open v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.70s
[INFO] running `Command { std: "docker" "inspect" "951116f0d01dd9ecff5501ecd2bcef0b2bb24c8fab6cbc71966aa43fa2fa09f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951116f0d01dd9ecff5501ecd2bcef0b2bb24c8fab6cbc71966aa43fa2fa09f1", kill_on_drop: false }`
[INFO] [stdout] 951116f0d01dd9ecff5501ecd2bcef0b2bb24c8fab6cbc71966aa43fa2fa09f1