[INFO] fetching crate testmark 0.1.1...
[INFO] testing testmark-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate testmark 0.1.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate testmark 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate testmark 0.1.1
[INFO] finished tweaking crates.io crate testmark 0.1.1
[INFO] tweaked toml for crates.io crate testmark 0.1.1 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate testmark 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 815f78a3397458f5a73d0d22cb6c33bd93f58eadb55f7569c4b87b48d781a112
[INFO] running `Command { std: "docker" "start" "-a" "815f78a3397458f5a73d0d22cb6c33bd93f58eadb55f7569c4b87b48d781a112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "815f78a3397458f5a73d0d22cb6c33bd93f58eadb55f7569c4b87b48d781a112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815f78a3397458f5a73d0d22cb6c33bd93f58eadb55f7569c4b87b48d781a112", kill_on_drop: false }`
[INFO] [stdout] 815f78a3397458f5a73d0d22cb6c33bd93f58eadb55f7569c4b87b48d781a112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cafe6da72b8290c471fac3b044c0a99d1ef50f19eccb22c4c0f1cee64e74cba
[INFO] running `Command { std: "docker" "start" "-a" "2cafe6da72b8290c471fac3b044c0a99d1ef50f19eccb22c4c0f1cee64e74cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling testmark v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut x: u64 = 42;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "2cafe6da72b8290c471fac3b044c0a99d1ef50f19eccb22c4c0f1cee64e74cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cafe6da72b8290c471fac3b044c0a99d1ef50f19eccb22c4c0f1cee64e74cba", kill_on_drop: false }`
[INFO] [stdout] 2cafe6da72b8290c471fac3b044c0a99d1ef50f19eccb22c4c0f1cee64e74cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1c6e2b63adf668e86d17158880c741d1910412edbc824cb24c449b7dd5cd7f
[INFO] running `Command { std: "docker" "start" "-a" "5c1c6e2b63adf668e86d17158880c741d1910412edbc824cb24c449b7dd5cd7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling testmark v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut x: u64 = 42;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5c1c6e2b63adf668e86d17158880c741d1910412edbc824cb24c449b7dd5cd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1c6e2b63adf668e86d17158880c741d1910412edbc824cb24c449b7dd5cd7f", kill_on_drop: false }`
[INFO] [stdout] 5c1c6e2b63adf668e86d17158880c741d1910412edbc824cb24c449b7dd5cd7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2546483fb0f4934b5a60285c1a80ad62679cf76bc16bd411b856fa9fbb7a7b79
[INFO] running `Command { std: "docker" "start" "-a" "2546483fb0f4934b5a60285c1a80ad62679cf76bc16bd411b856fa9fbb7a7b79", kill_on_drop: false }`
[INFO] [stderr] warning: variable `x` is assigned to, but never used
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut x: u64 = 42;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = note: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `testmark` (bin "testmark" test) generated 1 warning
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testmark-d1b80da08097acaf)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testmark-d6c394c795ebe853)
[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] [stderr]    Doc-tests testmark
[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" "2546483fb0f4934b5a60285c1a80ad62679cf76bc16bd411b856fa9fbb7a7b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2546483fb0f4934b5a60285c1a80ad62679cf76bc16bd411b856fa9fbb7a7b79", kill_on_drop: false }`
[INFO] [stdout] 2546483fb0f4934b5a60285c1a80ad62679cf76bc16bd411b856fa9fbb7a7b79