[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#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-bill%2FTRPL" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  90% (14158/15654)   
Checking out files:  91% (14246/15654)   
Checking out files:  92% (14402/15654)   
Checking out files:  93% (14559/15654)   
Checking out files:  94% (14715/15654)   
Checking out files:  95% (14872/15654)   
Checking out files:  96% (15028/15654)   
Checking out files:  97% (15185/15654)   
Checking out files:  98% (15341/15654)   
Checking out files:  99% (15498/15654)   
Checking out files: 100% (15654/15654)   
Checking out files: 100% (15654/15654), done.
[INFO] validating manifest of git repo https://github.com/rusty-bill/TRPL on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e78d5c38735a66cde991bd8b65e4b684c52cadf91c7422d4d1c994c11a0317
[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" "68e78d5c38735a66cde991bd8b65e4b684c52cadf91c7422d4d1c994c11a0317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e78d5c38735a66cde991bd8b65e4b684c52cadf91c7422d4d1c994c11a0317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e78d5c38735a66cde991bd8b65e4b684c52cadf91c7422d4d1c994c11a0317", kill_on_drop: false }`
[INFO] [stdout] 68e78d5c38735a66cde991bd8b65e4b684c52cadf91c7422d4d1c994c11a0317
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71f24e8dba5c88385fc5e0d88240f3cb79df0f6b782e1fdcf723b7b931f87d2f
[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" "71f24e8dba5c88385fc5e0d88240f3cb79df0f6b782e1fdcf723b7b931f87d2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.74s
[INFO] running `Command { std: "docker" "inspect" "71f24e8dba5c88385fc5e0d88240f3cb79df0f6b782e1fdcf723b7b931f87d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f24e8dba5c88385fc5e0d88240f3cb79df0f6b782e1fdcf723b7b931f87d2f", kill_on_drop: false }`
[INFO] [stdout] 71f24e8dba5c88385fc5e0d88240f3cb79df0f6b782e1fdcf723b7b931f87d2f