[INFO] cloning repository https://github.com/jwmurray/code_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwmurray/code_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwmurray%2Fcode_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwmurray%2Fcode_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04151169e3aa17d00bb295fa5219d22555f1e190
[INFO] testing jwmurray/code_in_rust against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwmurray%2Fcode_in_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jwmurray/code_in_rust
[INFO] finished tweaking git repo https://github.com/jwmurray/code_in_rust
[INFO] tweaked toml for git repo https://github.com/jwmurray/code_in_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jwmurray/code_in_rust on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jwmurray/code_in_rust 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 198bbf5311102e42127dc361a4f1ad0c567dc6801697e6e3802074a9ad8f34f3
[INFO] running `Command { std: "docker" "start" "-a" "198bbf5311102e42127dc361a4f1ad0c567dc6801697e6e3802074a9ad8f34f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198bbf5311102e42127dc361a4f1ad0c567dc6801697e6e3802074a9ad8f34f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198bbf5311102e42127dc361a4f1ad0c567dc6801697e6e3802074a9ad8f34f3", kill_on_drop: false }`
[INFO] [stdout] 198bbf5311102e42127dc361a4f1ad0c567dc6801697e6e3802074a9ad8f34f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c1cdc4be081c2fe6a5cf8aff7ecddb8558bf5462ba55fe44e4c3bebbfcfe224
[INFO] running `Command { std: "docker" "start" "-a" "7c1cdc4be081c2fe6a5cf8aff7ecddb8558bf5462ba55fe44e4c3bebbfcfe224", kill_on_drop: false }`
[INFO] [stderr]    Compiling option_t_demistified v0.1.0 (/opt/rustwide/workdir/Beginner/option_t_demistified)
[INFO] [stdout] warning: function `main2` is never used
[INFO] [stdout]   --> Beginner/option_t_demistified/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main2() {
[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 `main3` is never used
[INFO] [stdout]   --> Beginner/option_t_demistified/src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn main3() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7c1cdc4be081c2fe6a5cf8aff7ecddb8558bf5462ba55fe44e4c3bebbfcfe224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1cdc4be081c2fe6a5cf8aff7ecddb8558bf5462ba55fe44e4c3bebbfcfe224", kill_on_drop: false }`
[INFO] [stdout] 7c1cdc4be081c2fe6a5cf8aff7ecddb8558bf5462ba55fe44e4c3bebbfcfe224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957d1613ddf635f9165ad0e5b5f0d34d3ebe22fe27566d84fa72368744c3be04
[INFO] running `Command { std: "docker" "start" "-a" "957d1613ddf635f9165ad0e5b5f0d34d3ebe22fe27566d84fa72368744c3be04", kill_on_drop: false }`
[INFO] [stderr]    Compiling option_t_demistified v0.1.0 (/opt/rustwide/workdir/Beginner/option_t_demistified)
[INFO] [stdout] warning: function `main2` is never used
[INFO] [stdout]   --> Beginner/option_t_demistified/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main2() {
[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 `main3` is never used
[INFO] [stdout]   --> Beginner/option_t_demistified/src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn main3() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "957d1613ddf635f9165ad0e5b5f0d34d3ebe22fe27566d84fa72368744c3be04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957d1613ddf635f9165ad0e5b5f0d34d3ebe22fe27566d84fa72368744c3be04", kill_on_drop: false }`
[INFO] [stdout] 957d1613ddf635f9165ad0e5b5f0d34d3ebe22fe27566d84fa72368744c3be04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4d042dc4d3658d359873647945ef8e7fe99714ef98b05f7120adf8f4343ed93
[INFO] running `Command { std: "docker" "start" "-a" "e4d042dc4d3658d359873647945ef8e7fe99714ef98b05f7120adf8f4343ed93", kill_on_drop: false }`
[INFO] [stderr] warning: function `main2` is never used
[INFO] [stderr]   --> Beginner/option_t_demistified/src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn main2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main3` is never used
[INFO] [stderr]   --> Beginner/option_t_demistified/src/main.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn main3() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `option_t_demistified` (bin "option_t_demistified" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/option_t_demistified-9c652d0f5527d787)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/option_t_demistified-a2982dc37708a4da)
[INFO] [stderr]    Doc-tests option_t_demistified
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4d042dc4d3658d359873647945ef8e7fe99714ef98b05f7120adf8f4343ed93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d042dc4d3658d359873647945ef8e7fe99714ef98b05f7120adf8f4343ed93", kill_on_drop: false }`
[INFO] [stdout] e4d042dc4d3658d359873647945ef8e7fe99714ef98b05f7120adf8f4343ed93