[INFO] cloning repository https://github.com/aconbere/rust-channel-stack-overflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aconbere/rust-channel-stack-overflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconbere%2Frust-channel-stack-overflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconbere%2Frust-channel-stack-overflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbdeb5dc3e385d541572ec0aaea0cd755d45368e
[INFO] testing aconbere/rust-channel-stack-overflow against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconbere%2Frust-channel-stack-overflow" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aconbere/rust-channel-stack-overflow on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aconbere/rust-channel-stack-overflow
[INFO] finished tweaking git repo https://github.com/aconbere/rust-channel-stack-overflow
[INFO] tweaked toml for git repo https://github.com/aconbere/rust-channel-stack-overflow written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aconbere/rust-channel-stack-overflow 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" "+beta-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb1054d9f268b2c1eaa9c89811687dbec3fc77bc06481ea88b07fc1a4226aa93
[INFO] running `Command { std: "docker" "start" "-a" "eb1054d9f268b2c1eaa9c89811687dbec3fc77bc06481ea88b07fc1a4226aa93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb1054d9f268b2c1eaa9c89811687dbec3fc77bc06481ea88b07fc1a4226aa93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1054d9f268b2c1eaa9c89811687dbec3fc77bc06481ea88b07fc1a4226aa93", kill_on_drop: false }`
[INFO] [stdout] eb1054d9f268b2c1eaa9c89811687dbec3fc77bc06481ea88b07fc1a4226aa93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ef3915e3aa5f604412958f2e936af4d1208ca9a80f752c9adf126cca5652e85
[INFO] running `Command { std: "docker" "start" "-a" "3ef3915e3aa5f604412958f2e936af4d1208ca9a80f752c9adf126cca5652e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-overflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `B` is never constructed
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | enum T {
[INFO] [stdout]    |      - variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     B
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `T` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "3ef3915e3aa5f604412958f2e936af4d1208ca9a80f752c9adf126cca5652e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef3915e3aa5f604412958f2e936af4d1208ca9a80f752c9adf126cca5652e85", kill_on_drop: false }`
[INFO] [stdout] 3ef3915e3aa5f604412958f2e936af4d1208ca9a80f752c9adf126cca5652e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa95d431ce1bb123cd05c7b2ba00c420fee9b2344cf3262947ca3f6d41c018d
[INFO] running `Command { std: "docker" "start" "-a" "7aa95d431ce1bb123cd05c7b2ba00c420fee9b2344cf3262947ca3f6d41c018d", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-overflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `B` is never constructed
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | enum T {
[INFO] [stdout]    |      - variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     B
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `T` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "7aa95d431ce1bb123cd05c7b2ba00c420fee9b2344cf3262947ca3f6d41c018d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa95d431ce1bb123cd05c7b2ba00c420fee9b2344cf3262947ca3f6d41c018d", kill_on_drop: false }`
[INFO] [stdout] 7aa95d431ce1bb123cd05c7b2ba00c420fee9b2344cf3262947ca3f6d41c018d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b15b891a4d329b95cd85662ce545f4fbf8294e748da3497f16415b832d87191b
[INFO] running `Command { std: "docker" "start" "-a" "b15b891a4d329b95cd85662ce545f4fbf8294e748da3497f16415b832d87191b", kill_on_drop: false }`
[INFO] [stderr] warning: variant `B` is never constructed
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 5  | enum T {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |      - variant in this enum
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stderr] 10 |     B
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `T` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stack-overflow` (bin "stack-overflow" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stack_overflow-350ac6ddb5357947)
[INFO] running `Command { std: "docker" "inspect" "b15b891a4d329b95cd85662ce545f4fbf8294e748da3497f16415b832d87191b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15b891a4d329b95cd85662ce545f4fbf8294e748da3497f16415b832d87191b", kill_on_drop: false }`
[INFO] [stdout] b15b891a4d329b95cd85662ce545f4fbf8294e748da3497f16415b832d87191b