[INFO] cloning repository https://github.com/zillani/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zillani/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzillani%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzillani%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 389b1fee0e313448123ed12d3bdfd00f3576f168
[INFO] testing zillani/learn-rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzillani%2Flearn-rust" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zillani/learn-rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zillani/learn-rust
[INFO] finished tweaking git repo https://github.com/zillani/learn-rust
[INFO] tweaked toml for git repo https://github.com/zillani/learn-rust written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/zillani/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0b9f9d52959787406978379ccb709fdeb351b80eb547417c55156d0ed1e75bf
[INFO] running `Command { std: "docker" "start" "-a" "d0b9f9d52959787406978379ccb709fdeb351b80eb547417c55156d0ed1e75bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b9f9d52959787406978379ccb709fdeb351b80eb547417c55156d0ed1e75bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b9f9d52959787406978379ccb709fdeb351b80eb547417c55156d0ed1e75bf", kill_on_drop: false }`
[INFO] [stdout] d0b9f9d52959787406978379ccb709fdeb351b80eb547417c55156d0ed1e75bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ac5a669bf1a355cde9bf5d02d2771f0fe76097f7b1e458bf45b5364410033a
[INFO] running `Command { std: "docker" "start" "-a" "95ac5a669bf1a355cde9bf5d02d2771f0fe76097f7b1e458bf45b5364410033a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]  --> src/enums.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Down, 
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/enums.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]  --> src/enums.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Right
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "95ac5a669bf1a355cde9bf5d02d2771f0fe76097f7b1e458bf45b5364410033a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ac5a669bf1a355cde9bf5d02d2771f0fe76097f7b1e458bf45b5364410033a", kill_on_drop: false }`
[INFO] [stdout] 95ac5a669bf1a355cde9bf5d02d2771f0fe76097f7b1e458bf45b5364410033a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5469fa2e0327e04642c26c2f33512a3821d8b456433c2091b8c4631c465fe2d3
[INFO] running `Command { std: "docker" "start" "-a" "5469fa2e0327e04642c26c2f33512a3821d8b456433c2091b8c4631c465fe2d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]  --> src/enums.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Down, 
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/enums.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]  --> src/enums.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Right
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "5469fa2e0327e04642c26c2f33512a3821d8b456433c2091b8c4631c465fe2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5469fa2e0327e04642c26c2f33512a3821d8b456433c2091b8c4631c465fe2d3", kill_on_drop: false }`
[INFO] [stdout] 5469fa2e0327e04642c26c2f33512a3821d8b456433c2091b8c4631c465fe2d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a143fcd299a7507b3c6faa4ee9ddce1afc2502cb72cb296fe362fb98edcecbea
[INFO] running `Command { std: "docker" "start" "-a" "a143fcd299a7507b3c6faa4ee9ddce1afc2502cb72cb296fe362fb98edcecbea", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/enums.rs:3:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 |     Down, 
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/enums.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/enums.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Right
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustest` (bin "rustest" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustest-c36967bf7edcbbde)
[INFO] running `Command { std: "docker" "inspect" "a143fcd299a7507b3c6faa4ee9ddce1afc2502cb72cb296fe362fb98edcecbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a143fcd299a7507b3c6faa4ee9ddce1afc2502cb72cb296fe362fb98edcecbea", kill_on_drop: false }`
[INFO] [stdout] a143fcd299a7507b3c6faa4ee9ddce1afc2502cb72cb296fe362fb98edcecbea