[INFO] cloning repository https://github.com/charypar/tree-thinning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charypar/tree-thinning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharypar%2Ftree-thinning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharypar%2Ftree-thinning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dde19e03c98f9a2abf34d2e7320f3f9d1d13007
[INFO] testing charypar/tree-thinning against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharypar%2Ftree-thinning" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charypar/tree-thinning on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charypar/tree-thinning
[INFO] finished tweaking git repo https://github.com/charypar/tree-thinning
[INFO] tweaked toml for git repo https://github.com/charypar/tree-thinning written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/charypar/tree-thinning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] bb04cc44f10bf4a39f0c4e8e06df35277aad2b74e62d57bfbb054b7a1be0fb07
[INFO] running `Command { std: "docker" "start" "-a" "bb04cc44f10bf4a39f0c4e8e06df35277aad2b74e62d57bfbb054b7a1be0fb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb04cc44f10bf4a39f0c4e8e06df35277aad2b74e62d57bfbb054b7a1be0fb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb04cc44f10bf4a39f0c4e8e06df35277aad2b74e62d57bfbb054b7a1be0fb07", kill_on_drop: false }`
[INFO] [stdout] bb04cc44f10bf4a39f0c4e8e06df35277aad2b74e62d57bfbb054b7a1be0fb07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] 16c5247ac9a860dc9599a855466639a0c18999fb0d8cc12dd727d47120cd0d21
[INFO] running `Command { std: "docker" "start" "-a" "16c5247ac9a860dc9599a855466639a0c18999fb0d8cc12dd727d47120cd0d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling roman_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.19s
[INFO] running `Command { std: "docker" "inspect" "16c5247ac9a860dc9599a855466639a0c18999fb0d8cc12dd727d47120cd0d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c5247ac9a860dc9599a855466639a0c18999fb0d8cc12dd727d47120cd0d21", kill_on_drop: false }`
[INFO] [stdout] 16c5247ac9a860dc9599a855466639a0c18999fb0d8cc12dd727d47120cd0d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aa99897ae354a73d0036e1e0178a622460ba04d8ecb88834689b664cc6f9b34
[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" "4aa99897ae354a73d0036e1e0178a622460ba04d8ecb88834689b664cc6f9b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling roman_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "4aa99897ae354a73d0036e1e0178a622460ba04d8ecb88834689b664cc6f9b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa99897ae354a73d0036e1e0178a622460ba04d8ecb88834689b664cc6f9b34", kill_on_drop: false }`
[INFO] [stdout] 4aa99897ae354a73d0036e1e0178a622460ba04d8ecb88834689b664cc6f9b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] cecca3181f16c6ae357f97b0677546cfb93788cca8eaa49c5f4f479ecfb0444f
[INFO] running `Command { std: "docker" "start" "-a" "cecca3181f16c6ae357f97b0677546cfb93788cca8eaa49c5f4f479ecfb0444f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roman_rust-763c02e15d4c6690
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::complex_tree ... ok
[INFO] [stdout] test test::node_with_two_different_children ... ok
[INFO] [stdout] test test::node_with_uniform_children ... ok
[INFO] [stdout] test test::single_node ... ok
[INFO] [stdout] test test::list ... ok
[INFO] [stdout] test test::single_node_with_single_child ... ok
[INFO] [stdout] test test::node_with_uniform_children_and_granchildren ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cecca3181f16c6ae357f97b0677546cfb93788cca8eaa49c5f4f479ecfb0444f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecca3181f16c6ae357f97b0677546cfb93788cca8eaa49c5f4f479ecfb0444f", kill_on_drop: false }`
[INFO] [stdout] cecca3181f16c6ae357f97b0677546cfb93788cca8eaa49c5f4f479ecfb0444f