[INFO] cloning repository https://github.com/sndb/mean_median_mode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sndb/mean_median_mode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndb%2Fmean_median_mode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndb%2Fmean_median_mode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c8ad8830d7c4d366db6d81041c58063e275e816
[INFO] testing sndb/mean_median_mode against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndb%2Fmean_median_mode" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sndb/mean_median_mode on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sndb/mean_median_mode
[INFO] finished tweaking git repo https://github.com/sndb/mean_median_mode
[INFO] tweaked toml for git repo https://github.com/sndb/mean_median_mode written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sndb/mean_median_mode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bafbb71e0f44aa188bcae409604495e0830f9ef6e1fbbe31d37200bbad05d2ce
[INFO] running `Command { std: "docker" "start" "-a" "bafbb71e0f44aa188bcae409604495e0830f9ef6e1fbbe31d37200bbad05d2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bafbb71e0f44aa188bcae409604495e0830f9ef6e1fbbe31d37200bbad05d2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafbb71e0f44aa188bcae409604495e0830f9ef6e1fbbe31d37200bbad05d2ce", kill_on_drop: false }`
[INFO] [stdout] bafbb71e0f44aa188bcae409604495e0830f9ef6e1fbbe31d37200bbad05d2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c47de67dc419c89efb17e1ee8161da13823c5bba16285a14b0b3129161a71a6
[INFO] running `Command { std: "docker" "start" "-a" "2c47de67dc419c89efb17e1ee8161da13823c5bba16285a14b0b3129161a71a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mean_median_mode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "2c47de67dc419c89efb17e1ee8161da13823c5bba16285a14b0b3129161a71a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c47de67dc419c89efb17e1ee8161da13823c5bba16285a14b0b3129161a71a6", kill_on_drop: false }`
[INFO] [stdout] 2c47de67dc419c89efb17e1ee8161da13823c5bba16285a14b0b3129161a71a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dc0aa020c86e4c49b717b3de06915b50187438ee8ec1f4f75bdd07276df5bc4
[INFO] running `Command { std: "docker" "start" "-a" "2dc0aa020c86e4c49b717b3de06915b50187438ee8ec1f4f75bdd07276df5bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mean_median_mode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mean_median_mode-7bc3f30fe4cab755)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mean_median_mode-5993446b7796e00a)
[INFO] running `Command { std: "docker" "inspect" "2dc0aa020c86e4c49b717b3de06915b50187438ee8ec1f4f75bdd07276df5bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc0aa020c86e4c49b717b3de06915b50187438ee8ec1f4f75bdd07276df5bc4", kill_on_drop: false }`
[INFO] [stdout] 2dc0aa020c86e4c49b717b3de06915b50187438ee8ec1f4f75bdd07276df5bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39512c871949350ec44ef95499ae088c8dd2a0fcb5191fc2515cfe81152a70bf
[INFO] running `Command { std: "docker" "start" "-a" "39512c871949350ec44ef95499ae088c8dd2a0fcb5191fc2515cfe81152a70bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mean_median_mode-7bc3f30fe4cab755)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_mean ... ok
[INFO] [stdout] test tests::test_mean_empty ... ok
[INFO] [stdout] test tests::test_median ... ok
[INFO] [stdout] test tests::test_median_empty ... ok
[INFO] [stdout] test tests::test_mode_empty ... ok
[INFO] [stdout] test tests::test_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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/mean_median_mode-5993446b7796e00a)
[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 mean_median_mode
[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" "39512c871949350ec44ef95499ae088c8dd2a0fcb5191fc2515cfe81152a70bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39512c871949350ec44ef95499ae088c8dd2a0fcb5191fc2515cfe81152a70bf", kill_on_drop: false }`
[INFO] [stdout] 39512c871949350ec44ef95499ae088c8dd2a0fcb5191fc2515cfe81152a70bf