[INFO] cloning repository https://github.com/rusty-bill/TRPL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rusty-bill/TRPL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-bill%2FTRPL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-bill%2FTRPL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7b72078e5610840b96bc98783c90af7861d034d
[INFO] checking rusty-bill/TRPL against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-bill%2FTRPL" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  90% (14121/15654)
Updating files:  91% (14246/15654)
Updating files:  92% (14402/15654)
Updating files:  93% (14559/15654)
Updating files:  94% (14715/15654)
Updating files:  95% (14872/15654)
Updating files:  96% (15028/15654)
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Updating files:  98% (15341/15654)
Updating files:  99% (15498/15654)
Updating files: 100% (15654/15654)
Updating files: 100% (15654/15654), done.
[INFO] validating manifest of git repo https://github.com/rusty-bill/TRPL on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rusty-bill/TRPL
[INFO] finished tweaking git repo https://github.com/rusty-bill/TRPL
[INFO] tweaked toml for git repo https://github.com/rusty-bill/TRPL written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rusty-bill/TRPL already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f208c56ba5d2f2e9d8a4c0ab0ed62b75d7d2f2065664ba82ef546ae7ca3f9bf9
[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" "f208c56ba5d2f2e9d8a4c0ab0ed62b75d7d2f2065664ba82ef546ae7ca3f9bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f208c56ba5d2f2e9d8a4c0ab0ed62b75d7d2f2065664ba82ef546ae7ca3f9bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f208c56ba5d2f2e9d8a4c0ab0ed62b75d7d2f2065664ba82ef546ae7ca3f9bf9", kill_on_drop: false }`
[INFO] [stdout] f208c56ba5d2f2e9d8a4c0ab0ed62b75d7d2f2065664ba82ef546ae7ca3f9bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "RUSTUP_TOOLCHAIN=4a04890980766cc79878135f5ade8c0c4321e943" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "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] 2bfba48bd3060e01782b1588a45ddb1e75ac8887d157045ba3fe5251772141cc
[INFO] running `Command { std: "docker" "start" "-a" "2bfba48bd3060e01782b1588a45ddb1e75ac8887d157045ba3fe5251772141cc", kill_on_drop: false }`
[INFO] [stderr]     Checking TRPL v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `TRPL` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `trpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `TRPL` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `trpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2bfba48bd3060e01782b1588a45ddb1e75ac8887d157045ba3fe5251772141cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfba48bd3060e01782b1588a45ddb1e75ac8887d157045ba3fe5251772141cc", kill_on_drop: false }`
[INFO] [stdout] 2bfba48bd3060e01782b1588a45ddb1e75ac8887d157045ba3fe5251772141cc