[INFO] cloning repository https://github.com/romanornr/rust-foundations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romanornr/rust-foundations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanornr%2Frust-foundations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanornr%2Frust-foundations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e88d224bbf597330094ecd0bbe84cd8978607ec
[INFO] checking romanornr/rust-foundations against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanornr%2Frust-foundations" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/romanornr/rust-foundations
[INFO] finished tweaking git repo https://github.com/romanornr/rust-foundations
[INFO] tweaked toml for git repo https://github.com/romanornr/rust-foundations written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/romanornr/rust-foundations on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/romanornr/rust-foundations already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c87961a54a6c07fef707c65e9441dcc37903356b1bc538b13bc18cae77ed8d9
[INFO] running `Command { std: "docker" "start" "-a" "5c87961a54a6c07fef707c65e9441dcc37903356b1bc538b13bc18cae77ed8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c87961a54a6c07fef707c65e9441dcc37903356b1bc538b13bc18cae77ed8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c87961a54a6c07fef707c65e9441dcc37903356b1bc538b13bc18cae77ed8d9", kill_on_drop: false }`
[INFO] [stdout] 5c87961a54a6c07fef707c65e9441dcc37903356b1bc538b13bc18cae77ed8d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbbad85b3ed7ec7ded085a454ff045cae175fc61ccf8161a9cefc92a0462169b
[INFO] running `Command { std: "docker" "start" "-a" "bbbad85b3ed7ec7ded085a454ff045cae175fc61ccf8161a9cefc92a0462169b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-foundations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/session1/variables)
[INFO] [stderr]     Checking hell_world v0.1.0 (/opt/rustwide/workdir/session1/hell_world)
[INFO] [stdout] warning: function `tripple` is never used
[INFO] [stdout]  --> session1/variables/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn tripple(x: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hundred_x_or_nothing` is never used
[INFO] [stdout]  --> session1/variables/src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn hundred_x_or_nothing(x: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tripple` is never used
[INFO] [stdout]  --> session1/variables/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn tripple(x: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hundred_x_or_nothing` is never used
[INFO] [stdout]  --> session1/variables/src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn hundred_x_or_nothing(x: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "bbbad85b3ed7ec7ded085a454ff045cae175fc61ccf8161a9cefc92a0462169b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbad85b3ed7ec7ded085a454ff045cae175fc61ccf8161a9cefc92a0462169b", kill_on_drop: false }`
[INFO] [stdout] bbbad85b3ed7ec7ded085a454ff045cae175fc61ccf8161a9cefc92a0462169b