[INFO] fetching crate ex_merge_sort_by_key 0.2.0...
[INFO] testing ex_merge_sort_by_key-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ex_merge_sort_by_key 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ex_merge_sort_by_key 0.2.0 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 ex_merge_sort_by_key 0.2.0
[INFO] finished tweaking crates.io crate ex_merge_sort_by_key 0.2.0
[INFO] tweaked toml for crates.io crate ex_merge_sort_by_key 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd819df6a45d07762a12d8c7814f26d644538534e2fb8e66ba61a60f1449a667
[INFO] running `Command { std: "docker" "start" "-a" "bd819df6a45d07762a12d8c7814f26d644538534e2fb8e66ba61a60f1449a667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd819df6a45d07762a12d8c7814f26d644538534e2fb8e66ba61a60f1449a667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd819df6a45d07762a12d8c7814f26d644538534e2fb8e66ba61a60f1449a667", kill_on_drop: false }`
[INFO] [stdout] bd819df6a45d07762a12d8c7814f26d644538534e2fb8e66ba61a60f1449a667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8b59238f9a24eb6218b7e09d77f86e3db86b032b0a468709aa3d542d4e932dc9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b59238f9a24eb6218b7e09d77f86e3db86b032b0a468709aa3d542d4e932dc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling ex_merge_sort_by_key v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "8b59238f9a24eb6218b7e09d77f86e3db86b032b0a468709aa3d542d4e932dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b59238f9a24eb6218b7e09d77f86e3db86b032b0a468709aa3d542d4e932dc9", kill_on_drop: false }`
[INFO] [stdout] 8b59238f9a24eb6218b7e09d77f86e3db86b032b0a468709aa3d542d4e932dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1528b5be3cb8b8e451f6c38a547fd3456a78d6fd2719ec420299ad48c177bf50
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1528b5be3cb8b8e451f6c38a547fd3456a78d6fd2719ec420299ad48c177bf50", kill_on_drop: false }`
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling ex_merge_sort_by_key v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "1528b5be3cb8b8e451f6c38a547fd3456a78d6fd2719ec420299ad48c177bf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1528b5be3cb8b8e451f6c38a547fd3456a78d6fd2719ec420299ad48c177bf50", kill_on_drop: false }`
[INFO] [stdout] 1528b5be3cb8b8e451f6c38a547fd3456a78d6fd2719ec420299ad48c177bf50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4341965e912ba0fdf758735897dd87fcb6e1e0e50efcaab18778dedd1bdb3b84
[INFO] running `Command { std: "docker" "start" "-a" "4341965e912ba0fdf758735897dd87fcb6e1e0e50efcaab18778dedd1bdb3b84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ex_merge_sort_by_key-272e22405afa4e92)
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_sort_in_buf2 ... ok
[INFO] [stdout] test tests::test_sort_empty ... ok
[INFO] [stdout] test tests::test_reverse_sort_in_buf ... ok
[INFO] [stdout] test tests::test_sort_one_line ... ok
[INFO] [stdout] test tests::reverse_test_sort_using_file ... ok
[INFO] [stdout] test tests::test_sort_three_lines ... ok
[INFO] [stdout] test tests::test_sort_by_num_in_buf ... ok
[INFO] [stdout] test tests::test_sort_by_num_using_file ... ok
[INFO] [stdout] test tests::test_reverse_sort_by_num_using_file ... ok
[INFO] [stdout] test tests::test_sort_in_buf1 ... ok
[INFO] [stdout] test tests::test_reverse_sort_by_num_in_buf ... ok
[INFO] [stdout] test tests::test_sort_two_lines ... ok
[INFO] [stdout] test tests::test_sort_using_file2 ... ok
[INFO] [stderr]    Doc-tests ex_merge_sort_by_key
[INFO] [stdout] test tests::test_sort_using_file1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4341965e912ba0fdf758735897dd87fcb6e1e0e50efcaab18778dedd1bdb3b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4341965e912ba0fdf758735897dd87fcb6e1e0e50efcaab18778dedd1bdb3b84", kill_on_drop: false }`
[INFO] [stdout] 4341965e912ba0fdf758735897dd87fcb6e1e0e50efcaab18778dedd1bdb3b84