[INFO] cloning repository https://github.com/ciuncan/algorithms_exercise [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ciuncan/algorithms_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciuncan%2Falgorithms_exercise", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciuncan%2Falgorithms_exercise'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f3b0d81c17ee45b5dc76b9ae7c8a3f272dfaa876 [INFO] testing ciuncan/algorithms_exercise against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciuncan%2Falgorithms_exercise" "/workspace/builds/worker-24/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ciuncan/algorithms_exercise 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 git repo https://github.com/ciuncan/algorithms_exercise [INFO] finished tweaking git repo https://github.com/ciuncan/algorithms_exercise [INFO] tweaked toml for git repo https://github.com/ciuncan/algorithms_exercise written to /workspace/builds/worker-24/source/Cargo.toml [INFO] crate git repo https://github.com/ciuncan/algorithms_exercise already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 341710b6c07bd7f485be067d48325002fe77341a313d911bf74d7863ca28e6c4 [INFO] running `Command { std: "docker" "start" "-a" "341710b6c07bd7f485be067d48325002fe77341a313d911bf74d7863ca28e6c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "341710b6c07bd7f485be067d48325002fe77341a313d911bf74d7863ca28e6c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "341710b6c07bd7f485be067d48325002fe77341a313d911bf74d7863ca28e6c4", kill_on_drop: false }` [INFO] [stdout] 341710b6c07bd7f485be067d48325002fe77341a313d911bf74d7863ca28e6c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] c2f6427e5a3bd27fba48b1ad5583b72e252a5fee1e4aeb38788af1991a6979d8 [INFO] running `Command { std: "docker" "start" "-a" "c2f6427e5a3bd27fba48b1ad5583b72e252a5fee1e4aeb38788af1991a6979d8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling algorithms_exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.05s [INFO] running `Command { std: "docker" "inspect" "c2f6427e5a3bd27fba48b1ad5583b72e252a5fee1e4aeb38788af1991a6979d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2f6427e5a3bd27fba48b1ad5583b72e252a5fee1e4aeb38788af1991a6979d8", kill_on_drop: false }` [INFO] [stdout] c2f6427e5a3bd27fba48b1ad5583b72e252a5fee1e4aeb38788af1991a6979d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 41524ac3b3f68ab0d661df588f6acc87ab60afe43f284c2239be08e9d1d8fac5 [INFO] running `Command { std: "docker" "start" "-a" "41524ac3b3f68ab0d661df588f6acc87ab60afe43f284c2239be08e9d1d8fac5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling rand_xorshift v0.2.0 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling proptest v0.10.0 [INFO] [stderr] Compiling algorithms_exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "41524ac3b3f68ab0d661df588f6acc87ab60afe43f284c2239be08e9d1d8fac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41524ac3b3f68ab0d661df588f6acc87ab60afe43f284c2239be08e9d1d8fac5", kill_on_drop: false }` [INFO] [stdout] 41524ac3b3f68ab0d661df588f6acc87ab60afe43f284c2239be08e9d1d8fac5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 80a87d21ffe51ca47c4f9374ba0805d01e8b088916f1f4d831a7c2ec081b540e [INFO] running `Command { std: "docker" "start" "-a" "80a87d21ffe51ca47c4f9374ba0805d01e8b088916f1f4d831a7c2ec081b540e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/algorithms_exercise-a84931ec2db3f9ac) [INFO] [stdout] running 8 tests [INFO] [stdout] test heap::tests::heap_property_should_hold_for_all_parents_and_their_children ... ok [INFO] [stdout] test heap::tests::find_top_should_be_minimum_in_any_min_heap ... ok [INFO] [stdout] test heap::tests::find_top_should_be_maximum_in_any_max_heap ... ok [INFO] [stdout] test heap::tests::extracting_top_item_should_reduce_its_occurrence_by_one ... ok [INFO] [stdout] test heap::tests::doing_random_inserts_and_extracts_should_not_break_heap_property ... ok [INFO] [stdout] test binary_search::tests::find_correct_index_of_an_existing_item ... ok [INFO] [stdout] test binary_search::tests::find_the_same_result_as_vec_binary_search ... ok [INFO] [stdout] test heap::tests::extracting_top_item_should_keep_heap_property_for_all_parents ... ok [INFO] [stderr] Doc-tests algorithms_exercise [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.29s [INFO] [stdout] [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" "80a87d21ffe51ca47c4f9374ba0805d01e8b088916f1f4d831a7c2ec081b540e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80a87d21ffe51ca47c4f9374ba0805d01e8b088916f1f4d831a7c2ec081b540e", kill_on_drop: false }` [INFO] [stdout] 80a87d21ffe51ca47c4f9374ba0805d01e8b088916f1f4d831a7c2ec081b540e