[INFO] cloning repository https://github.com/FauxFaux/testcase-tokio-transaction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/testcase-tokio-transaction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Ftestcase-tokio-transaction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Ftestcase-tokio-transaction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c924145292edd85da5b27374b16401759e0f7ec
[INFO] testing FauxFaux/testcase-tokio-transaction against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Ftestcase-tokio-transaction" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/testcase-tokio-transaction on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FauxFaux/testcase-tokio-transaction
[INFO] finished tweaking git repo https://github.com/FauxFaux/testcase-tokio-transaction
[INFO] tweaked toml for git repo https://github.com/FauxFaux/testcase-tokio-transaction written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/testcase-tokio-transaction 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fe953d32e6d47b4d7715394fc9579720218d545740e086a274c60efe2c9af0f
[INFO] running `Command { std: "docker" "start" "-a" "3fe953d32e6d47b4d7715394fc9579720218d545740e086a274c60efe2c9af0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fe953d32e6d47b4d7715394fc9579720218d545740e086a274c60efe2c9af0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe953d32e6d47b4d7715394fc9579720218d545740e086a274c60efe2c9af0f", kill_on_drop: false }`
[INFO] [stdout] 3fe953d32e6d47b4d7715394fc9579720218d545740e086a274c60efe2c9af0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d71d5af6b33661c2c866a04b3e56bc4876869b7d90b5c24b0066b40cc93c212
[INFO] running `Command { std: "docker" "start" "-a" "7d71d5af6b33661c2c866a04b3e56bc4876869b7d90b5c24b0066b40cc93c212", kill_on_drop: false }`
[INFO] [stderr]    Compiling alter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Holder<'a> {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     parent: &'a mut (),
[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 dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "7d71d5af6b33661c2c866a04b3e56bc4876869b7d90b5c24b0066b40cc93c212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d71d5af6b33661c2c866a04b3e56bc4876869b7d90b5c24b0066b40cc93c212", kill_on_drop: false }`
[INFO] [stdout] 7d71d5af6b33661c2c866a04b3e56bc4876869b7d90b5c24b0066b40cc93c212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92dbfcabaecf663093e38af59e875e870bf5928ba9ebbbf70f181e5e0aafe75
[INFO] running `Command { std: "docker" "start" "-a" "c92dbfcabaecf663093e38af59e875e870bf5928ba9ebbbf70f181e5e0aafe75", kill_on_drop: false }`
[INFO] [stderr]    Compiling alter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Holder<'a> {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     parent: &'a mut (),
[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 0.32s
[INFO] running `Command { std: "docker" "inspect" "c92dbfcabaecf663093e38af59e875e870bf5928ba9ebbbf70f181e5e0aafe75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92dbfcabaecf663093e38af59e875e870bf5928ba9ebbbf70f181e5e0aafe75", kill_on_drop: false }`
[INFO] [stdout] c92dbfcabaecf663093e38af59e875e870bf5928ba9ebbbf70f181e5e0aafe75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aae28296a7d396957456b26377348fdc94e25d69985a854d76bf73e68d816629
[INFO] running `Command { std: "docker" "start" "-a" "aae28296a7d396957456b26377348fdc94e25d69985a854d76bf73e68d816629", kill_on_drop: false }`
[INFO] [stderr] warning: field `parent` is never read
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Holder<'a> {
[INFO] [stderr]   |        ------ field in this struct
[INFO] [stderr] 2 |     parent: &'a mut (),
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alter` (bin "alter" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/alter-dbb81daf79a047ea)
[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" "aae28296a7d396957456b26377348fdc94e25d69985a854d76bf73e68d816629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae28296a7d396957456b26377348fdc94e25d69985a854d76bf73e68d816629", kill_on_drop: false }`
[INFO] [stdout] aae28296a7d396957456b26377348fdc94e25d69985a854d76bf73e68d816629
