[INFO] updating cached repository https://github.com/udoprog/kernelstats
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c50deab262e424e69b70ea2106694e2c80739c7
[INFO] checking udoprog/kernelstats against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fkernelstats" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  82% (114/139)   
Checking out files:  83% (116/139)   
Checking out files:  84% (117/139)   
Checking out files:  85% (119/139)   
Checking out files:  86% (120/139)   
Checking out files:  87% (121/139)   
Checking out files:  88% (123/139)   
Checking out files:  89% (124/139)   
Checking out files:  90% (126/139)   
Checking out files:  91% (127/139)   
Checking out files:  92% (128/139)   
Checking out files:  93% (130/139)   
Checking out files:  94% (131/139)   
Checking out files:  95% (133/139)   
Checking out files:  96% (134/139)   
Checking out files:  97% (135/139)   
Checking out files:  98% (137/139)   
Checking out files:  99% (138/139)   
Checking out files: 100% (139/139)   
Checking out files: 100% (139/139), done.
[INFO] validating manifest of git repo https://github.com/udoprog/kernelstats on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/udoprog/kernelstats
[INFO] finished tweaking git repo https://github.com/udoprog/kernelstats
[INFO] tweaked toml for git repo https://github.com/udoprog/kernelstats written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/udoprog/kernelstats already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8220cb53825f76a088f5550870c73b54e3e8e8aaf25b0f8b902592810adc8d3
[INFO] running `"docker" "start" "-a" "c8220cb53825f76a088f5550870c73b54e3e8e8aaf25b0f8b902592810adc8d3"`
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking kernelstats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `"docker" "inspect" "c8220cb53825f76a088f5550870c73b54e3e8e8aaf25b0f8b902592810adc8d3"`
[INFO] running `"docker" "rm" "-f" "c8220cb53825f76a088f5550870c73b54e3e8e8aaf25b0f8b902592810adc8d3"`
[INFO] [stdout] c8220cb53825f76a088f5550870c73b54e3e8e8aaf25b0f8b902592810adc8d3