[INFO] updating cached repository https://github.com/JakRowan/synacor-vm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 73ac66f39c4319cb73b97ad33223942893159b5d
[INFO] checking JakRowan/synacor-vm against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakRowan%2Fsynacor-vm" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  59% (13/22)   
Checking out files:  63% (14/22)   
Checking out files:  68% (15/22)   
Checking out files:  72% (16/22)   
Checking out files:  77% (17/22)   
Checking out files:  81% (18/22)   
Checking out files:  86% (19/22)   
Checking out files:  90% (20/22)   
Checking out files:  95% (21/22)   
Checking out files: 100% (22/22)   
Checking out files: 100% (22/22), done.
[INFO] validating manifest of git repo https://github.com/JakRowan/synacor-vm on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JakRowan/synacor-vm
[INFO] finished tweaking git repo https://github.com/JakRowan/synacor-vm
[INFO] tweaked toml for git repo https://github.com/JakRowan/synacor-vm written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/JakRowan/synacor-vm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db83f33088c9e2ef6aabfc5ba6c9d6b10a5a2007d36e610825127b1ff6056b80
[INFO] running `"docker" "start" "-a" "db83f33088c9e2ef6aabfc5ba6c9d6b10a5a2007d36e610825127b1ff6056b80"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling serde-big-array v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking synacor-vm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.00s
[INFO] running `"docker" "inspect" "db83f33088c9e2ef6aabfc5ba6c9d6b10a5a2007d36e610825127b1ff6056b80"`
[INFO] running `"docker" "rm" "-f" "db83f33088c9e2ef6aabfc5ba6c9d6b10a5a2007d36e610825127b1ff6056b80"`
[INFO] [stdout] db83f33088c9e2ef6aabfc5ba6c9d6b10a5a2007d36e610825127b1ff6056b80