[INFO] cloning repository https://github.com/fatoche/rustbridge-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fatoche/rustbridge-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatoche%2Frustbridge-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatoche%2Frustbridge-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 261b8b6099756ab9b59cdebc000eb0d6f72feb89
[INFO] testing fatoche/rustbridge-workshop against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatoche%2Frustbridge-workshop" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fatoche/rustbridge-workshop on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fatoche/rustbridge-workshop
[INFO] finished tweaking git repo https://github.com/fatoche/rustbridge-workshop
[INFO] tweaked toml for git repo https://github.com/fatoche/rustbridge-workshop written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/fatoche/rustbridge-workshop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] 23f6fdd0e7ff35292f830036c212722c3ff07a8fbc4498b276f8685a5b3c6947
[INFO] running `Command { std: "docker" "start" "-a" "23f6fdd0e7ff35292f830036c212722c3ff07a8fbc4498b276f8685a5b3c6947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23f6fdd0e7ff35292f830036c212722c3ff07a8fbc4498b276f8685a5b3c6947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f6fdd0e7ff35292f830036c212722c3ff07a8fbc4498b276f8685a5b3c6947", kill_on_drop: false }`
[INFO] [stdout] 23f6fdd0e7ff35292f830036c212722c3ff07a8fbc4498b276f8685a5b3c6947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c42e63bd44a9b4db7b54a3b8e35793a6643c50f531585f3cbf6733da14e51a1
[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" "8c42e63bd44a9b4db7b54a3b8e35793a6643c50f531585f3cbf6733da14e51a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling motivations v1.1.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling pick-one v1.0.1
[INFO] [stderr]    Compiling simple-server v0.3.0
[INFO] [stderr]    Compiling rustbridge-workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `learning_main`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn learning_main() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_fifty`
[INFO] [stdout]   --> src/main.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn add_fifty(n: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.03s
[INFO] running `Command { std: "docker" "inspect" "8c42e63bd44a9b4db7b54a3b8e35793a6643c50f531585f3cbf6733da14e51a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c42e63bd44a9b4db7b54a3b8e35793a6643c50f531585f3cbf6733da14e51a1", kill_on_drop: false }`
[INFO] [stdout] 8c42e63bd44a9b4db7b54a3b8e35793a6643c50f531585f3cbf6733da14e51a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--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] 47d169e4356477a6d6bc9e4d4260486cb67591309667fe3d18e3e6a8fae23a35
[INFO] running `Command { std: "docker" "start" "-a" "47d169e4356477a6d6bc9e4d4260486cb67591309667fe3d18e3e6a8fae23a35", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbridge-workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `learning_main`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn learning_main() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "47d169e4356477a6d6bc9e4d4260486cb67591309667fe3d18e3e6a8fae23a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d169e4356477a6d6bc9e4d4260486cb67591309667fe3d18e3e6a8fae23a35", kill_on_drop: false }`
[INFO] [stdout] 47d169e4356477a6d6bc9e4d4260486cb67591309667fe3d18e3e6a8fae23a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] d51e842c0e4d4423a0345719838187ddf61e4191f378557642c12bcb5d4c0186
[INFO] running `Command { std: "docker" "start" "-a" "d51e842c0e4d4423a0345719838187ddf61e4191f378557642c12bcb5d4c0186", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `learning_main`
[INFO] [stderr]   --> src/main.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn learning_main() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustbridge-workshop` (bin "rustbridge-workshop" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustbridge_workshop-c7c46248d442cb89)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test stupid_test ... ignored
[INFO] [stdout] test test_add_fifty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d51e842c0e4d4423a0345719838187ddf61e4191f378557642c12bcb5d4c0186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51e842c0e4d4423a0345719838187ddf61e4191f378557642c12bcb5d4c0186", kill_on_drop: false }`
[INFO] [stdout] d51e842c0e4d4423a0345719838187ddf61e4191f378557642c12bcb5d4c0186