[INFO] cloning repository https://github.com/ygree/rust_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ygree/rust_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fygree%2Frust_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fygree%2Frust_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f23c23ef3c1b360a02cb893a7cf784b2ec8fa9
[INFO] testing ygree/rust_examples against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fygree%2Frust_examples" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ygree/rust_examples 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 git repo https://github.com/ygree/rust_examples
[INFO] finished tweaking git repo https://github.com/ygree/rust_examples
[INFO] tweaked toml for git repo https://github.com/ygree/rust_examples written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/ygree/rust_examples already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.2
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.2
[INFO] [stderr]   Downloaded rand v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d89512faec77f640a39b8ab0844050ef34793759ef9314a813b9b88c9f0e09a
[INFO] running `Command { std: "docker" "start" "-a" "3d89512faec77f640a39b8ab0844050ef34793759ef9314a813b9b88c9f0e09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d89512faec77f640a39b8ab0844050ef34793759ef9314a813b9b88c9f0e09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d89512faec77f640a39b8ab0844050ef34793759ef9314a813b9b88c9f0e09a", kill_on_drop: false }`
[INFO] [stdout] 3d89512faec77f640a39b8ab0844050ef34793759ef9314a813b9b88c9f0e09a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92aabb9d873b33f023633a97a663dac1bebba1dfc961651b7bd08b5d23b3041e
[INFO] running `Command { std: "docker" "start" "-a" "92aabb9d873b33f023633a97a663dac1bebba1dfc961651b7bd08b5d23b3041e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "92aabb9d873b33f023633a97a663dac1bebba1dfc961651b7bd08b5d23b3041e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92aabb9d873b33f023633a97a663dac1bebba1dfc961651b7bd08b5d23b3041e", kill_on_drop: false }`
[INFO] [stdout] 92aabb9d873b33f023633a97a663dac1bebba1dfc961651b7bd08b5d23b3041e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd06167a95a830a577f80415f7eda265c2bd3ad820cb878b86aebef32d7a3d0
[INFO] running `Command { std: "docker" "start" "-a" "9dd06167a95a830a577f80415f7eda265c2bd3ad820cb878b86aebef32d7a3d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling quickcheck v0.6.0
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "9dd06167a95a830a577f80415f7eda265c2bd3ad820cb878b86aebef32d7a3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd06167a95a830a577f80415f7eda265c2bd3ad820cb878b86aebef32d7a3d0", kill_on_drop: false }`
[INFO] [stdout] 9dd06167a95a830a577f80415f7eda265c2bd3ad820cb878b86aebef32d7a3d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b13cc35e7bee3d68abf30e2cc7831f07bc6399d1155aa749f21776b69ddca30
[INFO] running `Command { std: "docker" "start" "-a" "0b13cc35e7bee3d68abf30e2cc7831f07bc6399d1155aa749f21776b69ddca30", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/heap_sort-dc63763ae88d2129)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::heapify_stable ... ok
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] test tests::partent_left_child_loop ... ok
[INFO] [stdout] test tests::partent_right_child_loop ... ok
[INFO] [stdout] test tests::parent_index_zero ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/insertion_sort-ba275b1cf8a43962)
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] test tests::priority_queue_returns_elements_in_reverse_order ... ok
[INFO] [stdout] test tests::shift_down_cannot_change_heapified ... ok
[INFO] [stdout] test tests::up_heap_cannot_change_heapified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quick_sort-70ee989062e6323e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b13cc35e7bee3d68abf30e2cc7831f07bc6399d1155aa749f21776b69ddca30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b13cc35e7bee3d68abf30e2cc7831f07bc6399d1155aa749f21776b69ddca30", kill_on_drop: false }`
[INFO] [stdout] 0b13cc35e7bee3d68abf30e2cc7831f07bc6399d1155aa749f21776b69ddca30