[INFO] fetching crate ngc 0.2.3...
[INFO] checking ngc-0.2.3 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate ngc 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ngc 0.2.3 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ngc 0.2.3
[INFO] finished tweaking crates.io crate ngc 0.2.3
[INFO] tweaked toml for crates.io crate ngc 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ngc 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.19.5
[INFO] [stderr]   Downloaded fixedbitset v0.3.1
[INFO] [stderr]   Downloaded strum_macros v0.19.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", 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] 4b2e806bbb56d26d5489f016953cedee8b18d4fb1ccee0c066fcb8d0c1c6656d
[INFO] running `Command { std: "docker" "start" "-a" "4b2e806bbb56d26d5489f016953cedee8b18d4fb1ccee0c066fcb8d0c1c6656d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b2e806bbb56d26d5489f016953cedee8b18d4fb1ccee0c066fcb8d0c1c6656d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2e806bbb56d26d5489f016953cedee8b18d4fb1ccee0c066fcb8d0c1c6656d", kill_on_drop: false }`
[INFO] [stdout] 4b2e806bbb56d26d5489f016953cedee8b18d4fb1ccee0c066fcb8d0c1c6656d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e33b9e97d6eb04161d4c6272d64832caffa9d361b2a0358c4c9afae057def095
[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" "e33b9e97d6eb04161d4c6272d64832caffa9d361b2a0358c4c9afae057def095", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking ngc v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "e33b9e97d6eb04161d4c6272d64832caffa9d361b2a0358c4c9afae057def095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33b9e97d6eb04161d4c6272d64832caffa9d361b2a0358c4c9afae057def095", kill_on_drop: false }`
[INFO] [stdout] e33b9e97d6eb04161d4c6272d64832caffa9d361b2a0358c4c9afae057def095