[INFO] fetching crate ex_merge_sort 0.4.0...
[INFO] testing ex_merge_sort-0.4.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate ex_merge_sort 0.4.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate ex_merge_sort 0.4.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ex_merge_sort 0.4.0
[INFO] finished tweaking crates.io crate ex_merge_sort 0.4.0
[INFO] tweaked toml for crates.io crate ex_merge_sort 0.4.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa53a0c0f456fd2e3b7c17db18058920332ada6c0cd76727aeb1b5b045849a50
[INFO] running `Command { std: "docker" "start" "-a" "fa53a0c0f456fd2e3b7c17db18058920332ada6c0cd76727aeb1b5b045849a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa53a0c0f456fd2e3b7c17db18058920332ada6c0cd76727aeb1b5b045849a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa53a0c0f456fd2e3b7c17db18058920332ada6c0cd76727aeb1b5b045849a50", kill_on_drop: false }`
[INFO] [stdout] fa53a0c0f456fd2e3b7c17db18058920332ada6c0cd76727aeb1b5b045849a50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc3a837f4699a3d3ecff17698463402b20a26ea52e1486c95bc360521dbb48a
[INFO] running `Command { std: "docker" "start" "-a" "1dc3a837f4699a3d3ecff17698463402b20a26ea52e1486c95bc360521dbb48a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[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 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.07s
[INFO] running `Command { std: "docker" "inspect" "1dc3a837f4699a3d3ecff17698463402b20a26ea52e1486c95bc360521dbb48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc3a837f4699a3d3ecff17698463402b20a26ea52e1486c95bc360521dbb48a", kill_on_drop: false }`
[INFO] [stdout] 1dc3a837f4699a3d3ecff17698463402b20a26ea52e1486c95bc360521dbb48a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f7980c5b55f6d2f285c891437dee0be7d4ceca029c267af6f9be2276996b63a
[INFO] running `Command { std: "docker" "start" "-a" "7f7980c5b55f6d2f285c891437dee0be7d4ceca029c267af6f9be2276996b63a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ex_merge_sort v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "7f7980c5b55f6d2f285c891437dee0be7d4ceca029c267af6f9be2276996b63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7980c5b55f6d2f285c891437dee0be7d4ceca029c267af6f9be2276996b63a", kill_on_drop: false }`
[INFO] [stdout] 7f7980c5b55f6d2f285c891437dee0be7d4ceca029c267af6f9be2276996b63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3158af264e1c2fd31a17fee379f0fda8db32bc41526acd9f375a00322779a94
[INFO] running `Command { std: "docker" "start" "-a" "c3158af264e1c2fd31a17fee379f0fda8db32bc41526acd9f375a00322779a94", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ex_merge_sort-7eea58a6e7fec8ca)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_sort_empty ... ok
[INFO] [stdout] test tests::test_sort_one_line ... ok
[INFO] [stdout] test tests::test_sort_two_lines ... ok
[INFO] [stdout] test tests::test_sort_in_buf ... ok
[INFO] [stdout] test tests::test_sort_three_lines ... ok
[INFO] [stdout] test tests::test_sort_desc ... ok
[INFO] [stderr]    Doc-tests ex_merge_sort
[INFO] [stdout] test tests::test_sort_using_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3158af264e1c2fd31a17fee379f0fda8db32bc41526acd9f375a00322779a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3158af264e1c2fd31a17fee379f0fda8db32bc41526acd9f375a00322779a94", kill_on_drop: false }`
[INFO] [stdout] c3158af264e1c2fd31a17fee379f0fda8db32bc41526acd9f375a00322779a94