[INFO] fetching crate cp_r 0.3.1...
[INFO] testing cp_r-0.3.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cp_r 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cp_r 0.3.1 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 cp_r 0.3.1
[INFO] finished tweaking crates.io crate cp_r 0.3.1
[INFO] tweaked toml for crates.io crate cp_r 0.3.1 written to /workspace/builds/worker-4/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] 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dcdddbfc25a0a0703e85b4c520959158d3193674cccad3dfe065b5b4544d36dc
[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" "dcdddbfc25a0a0703e85b4c520959158d3193674cccad3dfe065b5b4544d36dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcdddbfc25a0a0703e85b4c520959158d3193674cccad3dfe065b5b4544d36dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdddbfc25a0a0703e85b4c520959158d3193674cccad3dfe065b5b4544d36dc", kill_on_drop: false }`
[INFO] [stdout] dcdddbfc25a0a0703e85b4c520959158d3193674cccad3dfe065b5b4544d36dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3fae9a8b85beca285564179ab7402ea11593246da9a8f34961fcd1beead5bc7b
[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" "3fae9a8b85beca285564179ab7402ea11593246da9a8f34961fcd1beead5bc7b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling cp_r v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "3fae9a8b85beca285564179ab7402ea11593246da9a8f34961fcd1beead5bc7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fae9a8b85beca285564179ab7402ea11593246da9a8f34961fcd1beead5bc7b", kill_on_drop: false }`
[INFO] [stdout] 3fae9a8b85beca285564179ab7402ea11593246da9a8f34961fcd1beead5bc7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c599ac1ff906bb6557a58f47cb6b7b3774850210f20ebb3a54983091d2aad4f
[INFO] running `Command { std: "docker" "start" "-a" "2c599ac1ff906bb6557a58f47cb6b7b3774850210f20ebb3a54983091d2aad4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.47
[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 cp_r v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "2c599ac1ff906bb6557a58f47cb6b7b3774850210f20ebb3a54983091d2aad4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c599ac1ff906bb6557a58f47cb6b7b3774850210f20ebb3a54983091d2aad4f", kill_on_drop: false }`
[INFO] [stdout] 2c599ac1ff906bb6557a58f47cb6b7b3774850210f20ebb3a54983091d2aad4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 82e610518edab36ff7ce536cacd4e6053d715127bda6340e1c51165f3d78ab18
[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" "82e610518edab36ff7ce536cacd4e6053d715127bda6340e1c51165f3d78ab18", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cp_r-228e02a88d1979cf)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/anyhow.rs (/opt/rustwide/target/debug/deps/anyhow-01e94133d0c2f718)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-649fe940619955c3)
[INFO] [stdout] test attach_anyhow_context_to_failure ... ok
[INFO] [stdout] test attach_anyhow_context_to_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test basic_copy ... ok
[INFO] [stdout] test clean_error_failing_to_copy_devices ... ok
[INFO] [stdout] test filter_by_mut_closure ... ok
[INFO] [stdout] test optionally_destination_must_exist ... ok
[INFO] [stdout] test filter_by_path ... ok
[INFO] [stdout] test create_destination_when_requested ... ok
[INFO] [stdout] test larger_file_with_small_buffer_causes_multiple_reads ... ok
[INFO] [stdout] test copy_dangling_symlink ... ok
[INFO] [stdout] test subdirs ... ok
[INFO] [stdout] test create_destination_by_default ... ok
[INFO] [stdout] test clean_error_on_nonexistent_source ... ok
[INFO] [stdout] test after_entry_copied_callback ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cp_r
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - CopyOptions::filter (line 166) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82e610518edab36ff7ce536cacd4e6053d715127bda6340e1c51165f3d78ab18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e610518edab36ff7ce536cacd4e6053d715127bda6340e1c51165f3d78ab18", kill_on_drop: false }`
[INFO] [stdout] 82e610518edab36ff7ce536cacd4e6053d715127bda6340e1c51165f3d78ab18