[INFO] cloning repository https://github.com/ptechen/rust_mod_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptechen/rust_mod_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eb66f6e977381bf654b2f5caeb2989dc6f31d62
[INFO] checking ptechen/rust_mod_learn against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptechen/rust_mod_learn on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ptechen/rust_mod_learn
[INFO] finished tweaking git repo https://github.com/ptechen/rust_mod_learn
[INFO] tweaked toml for git repo https://github.com/ptechen/rust_mod_learn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ptechen/rust_mod_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 583855e53df109981668f518de5b0c9ea321cea6f254408f2195c04459d1b265
[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" "583855e53df109981668f518de5b0c9ea321cea6f254408f2195c04459d1b265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "583855e53df109981668f518de5b0c9ea321cea6f254408f2195c04459d1b265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583855e53df109981668f518de5b0c9ea321cea6f254408f2195c04459d1b265", kill_on_drop: false }`
[INFO] [stdout] 583855e53df109981668f518de5b0c9ea321cea6f254408f2195c04459d1b265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f634612122ba9968de3f04fbcfe54ec44decc951ab8bb08e2f674a58df514c45
[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" "f634612122ba9968de3f04fbcfe54ec44decc951ab8bb08e2f674a58df514c45", kill_on_drop: false }`
[INFO] [stderr]     Checking mod_learn3 v0.1.0 (/opt/rustwide/workdir/mod_learn3)
[INFO] [stderr]     Checking mod_learn4 v0.1.0 (/opt/rustwide/workdir/mod_learn4)
[INFO] [stderr]     Checking mod_learn1 v0.1.0 (/opt/rustwide/workdir/mod_learn1)
[INFO] [stderr]     Checking mod_learn2 v0.1.0 (/opt/rustwide/workdir/mod_learn2)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "f634612122ba9968de3f04fbcfe54ec44decc951ab8bb08e2f674a58df514c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f634612122ba9968de3f04fbcfe54ec44decc951ab8bb08e2f674a58df514c45", kill_on_drop: false }`
[INFO] [stdout] f634612122ba9968de3f04fbcfe54ec44decc951ab8bb08e2f674a58df514c45