[INFO] cloning repository https://github.com/horahh/concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/horahh/concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorahh%2Fconcurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorahh%2Fconcurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13d22becd5b50304ec6f0809a6aedfca5f6de6c
[INFO] checking horahh/concurrency against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorahh%2Fconcurrency" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/horahh/concurrency on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/horahh/concurrency
[INFO] finished tweaking git repo https://github.com/horahh/concurrency
[INFO] tweaked toml for git repo https://github.com/horahh/concurrency written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/horahh/concurrency already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a6f62b109ec7417d736a302619cb81a54d845c1ae4ef74cb78f9c6c67d5d131
[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" "3a6f62b109ec7417d736a302619cb81a54d845c1ae4ef74cb78f9c6c67d5d131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6f62b109ec7417d736a302619cb81a54d845c1ae4ef74cb78f9c6c67d5d131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6f62b109ec7417d736a302619cb81a54d845c1ae4ef74cb78f9c6c67d5d131", kill_on_drop: false }`
[INFO] [stdout] 3a6f62b109ec7417d736a302619cb81a54d845c1ae4ef74cb78f9c6c67d5d131
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 2d336fe307a58732bed5e17b06d00d23eba3f4df4078036e42ba79b93a6fcd3c
[INFO] running `Command { std: "docker" "start" "-a" "2d336fe307a58732bed5e17b06d00d23eba3f4df4078036e42ba79b93a6fcd3c", kill_on_drop: false }`
[INFO] [stderr]     Checking psum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `fibonacci_mt` in this scope
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fibonacci_mt();
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: a function with a similar name exists: `fibbonacci_mt`
[INFO] [stdout] ...
[INFO] [stdout] 22 | fn fibbonacci_mt() {
[INFO] [stdout]    | ------------------ similarly named function `fibbonacci_mt` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `psum`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error[E0425]: cannot find function `fibonacci_mt` in this scope
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fibonacci_mt();
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: a function with a similar name exists: `fibbonacci_mt`
[INFO] [stdout] ...
[INFO] [stdout] 22 | fn fibbonacci_mt() {
[INFO] [stdout]    | ------------------ similarly named function `fibbonacci_mt` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2d336fe307a58732bed5e17b06d00d23eba3f4df4078036e42ba79b93a6fcd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d336fe307a58732bed5e17b06d00d23eba3f4df4078036e42ba79b93a6fcd3c", kill_on_drop: false }`
[INFO] [stdout] 2d336fe307a58732bed5e17b06d00d23eba3f4df4078036e42ba79b93a6fcd3c