[INFO] fetching crate hidden-median 0.1.3...
[INFO] testing hidden-median-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate hidden-median 0.1.3 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate hidden-median 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hidden-median 0.1.3
[INFO] finished tweaking crates.io crate hidden-median 0.1.3
[INFO] tweaked toml for crates.io crate hidden-median 0.1.3 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c238cbbed5e834752c47513d2308e435bcfd8bd662280e31cb9307d0ea614e01
[INFO] running `Command { std: "docker" "start" "-a" "c238cbbed5e834752c47513d2308e435bcfd8bd662280e31cb9307d0ea614e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c238cbbed5e834752c47513d2308e435bcfd8bd662280e31cb9307d0ea614e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c238cbbed5e834752c47513d2308e435bcfd8bd662280e31cb9307d0ea614e01", kill_on_drop: false }`
[INFO] [stdout] c238cbbed5e834752c47513d2308e435bcfd8bd662280e31cb9307d0ea614e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24bde12cd5a3fca97281c43a06e7621e265df8ada14efa2349e910e21739983
[INFO] running `Command { std: "docker" "start" "-a" "d24bde12cd5a3fca97281c43a06e7621e265df8ada14efa2349e910e21739983", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hidden-median v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "d24bde12cd5a3fca97281c43a06e7621e265df8ada14efa2349e910e21739983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24bde12cd5a3fca97281c43a06e7621e265df8ada14efa2349e910e21739983", kill_on_drop: false }`
[INFO] [stdout] d24bde12cd5a3fca97281c43a06e7621e265df8ada14efa2349e910e21739983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e8894f5733f246ed6de77863a1562a26ff23a97c4874f52d5eebaa39f3049d5
[INFO] running `Command { std: "docker" "start" "-a" "9e8894f5733f246ed6de77863a1562a26ff23a97c4874f52d5eebaa39f3049d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hidden-median v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "9e8894f5733f246ed6de77863a1562a26ff23a97c4874f52d5eebaa39f3049d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8894f5733f246ed6de77863a1562a26ff23a97c4874f52d5eebaa39f3049d5", kill_on_drop: false }`
[INFO] [stdout] 9e8894f5733f246ed6de77863a1562a26ff23a97c4874f52d5eebaa39f3049d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65f88c47dfe9764e5a97c9bd9fa7b121a6406f7fe65774045d0ebb7e32865eeb
[INFO] running `Command { std: "docker" "start" "-a" "65f88c47dfe9764e5a97c9bd9fa7b121a6406f7fe65774045d0ebb7e32865eeb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hidden_median-a15e2d7bc3184f61)
[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 tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-0f53e23b81e6d303)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test tests::even_m6 ... ok
[INFO] [stdout] test tests::even_m_b1 ... ok
[INFO] [stdout] test tests::even_one_elem ... ok
[INFO] [stdout] test tests::even_s_b4 ... ok
[INFO] [stdout] test tests::odd_m2 ... ok
[INFO] [stdout] test tests::odd_m3 ... ok
[INFO] [stdout] test tests::odd_m5 ... ok
[INFO] [stdout] test tests::odd_m_b2 ... ok
[INFO] [stdout] test tests::odd_m_b3 ... ok
[INFO] [stdout] test tests::odd_m_b5 ... ok
[INFO] [stdout] test tests::odd_mid_1 ... ok
[INFO] [stdout] test tests::odd_s_b2 ... ok
[INFO] [stdout] test tests::odd_s_b5 ... ok
[INFO] [stdout] test tests::odd_m_b4 ... ok
[INFO] [stdout] test tests::odd_s_b3 ... ok
[INFO] [stdout] test tests::odd_s_s3 ... ok
[INFO] [stdout] test tests::odd_strict_small ... ok
[INFO] [stdout] test tests::some_negative ... ok
[INFO] [stdout] test tests::two_elem1 ... ok
[INFO] [stdout] test tests::surprise ... ok
[INFO] [stdout] test tests::two_elem3 ... ok
[INFO] [stdout] test tests::very_big ... ok
[INFO] [stdout] test tests::odd_s_s2 ... ok
[INFO] [stdout] test tests::odd_m4 ... ok
[INFO] [stdout] test tests::two_elem2 ... ok
[INFO] [stdout] test tests::odd_strict_bigger ... ok
[INFO] [stdout] test tests::odd_s_s4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hidden-median
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/interface.rs - interface::Holder::result (line 234) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65f88c47dfe9764e5a97c9bd9fa7b121a6406f7fe65774045d0ebb7e32865eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f88c47dfe9764e5a97c9bd9fa7b121a6406f7fe65774045d0ebb7e32865eeb", kill_on_drop: false }`
[INFO] [stdout] 65f88c47dfe9764e5a97c9bd9fa7b121a6406f7fe65774045d0ebb7e32865eeb