[INFO] cloning repository https://github.com/Malax/libcnb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malax/libcnb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d512300e9e79335a82de61cdc79099517ad7ee2
[INFO] testing Malax/libcnb against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Malax/libcnb on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Malax/libcnb
[INFO] finished tweaking git repo https://github.com/Malax/libcnb
[INFO] tweaked toml for git repo https://github.com/Malax/libcnb written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Malax/libcnb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver-parser v0.10.1
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] d41ded3125cbb96b6b000549e02f5a59a747ba6141278ae2de73c7138e406a40
[INFO] running `Command { std: "docker" "start" "-a" "d41ded3125cbb96b6b000549e02f5a59a747ba6141278ae2de73c7138e406a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d41ded3125cbb96b6b000549e02f5a59a747ba6141278ae2de73c7138e406a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41ded3125cbb96b6b000549e02f5a59a747ba6141278ae2de73c7138e406a40", kill_on_drop: false }`
[INFO] [stdout] d41ded3125cbb96b6b000549e02f5a59a747ba6141278ae2de73c7138e406a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ec7a7795698ff1df46bbcd8fda485c649c95b01eee8b44860422973b72012eb
[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" "5ec7a7795698ff1df46bbcd8fda485c649c95b01eee8b44860422973b72012eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling semver-parser v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling libcnb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.14s
[INFO] running `Command { std: "docker" "inspect" "5ec7a7795698ff1df46bbcd8fda485c649c95b01eee8b44860422973b72012eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec7a7795698ff1df46bbcd8fda485c649c95b01eee8b44860422973b72012eb", kill_on_drop: false }`
[INFO] [stdout] 5ec7a7795698ff1df46bbcd8fda485c649c95b01eee8b44860422973b72012eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1400bf2894ff05515ed8a77a812a5d341930b1707656c188d919d7911ad5f3e8
[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" "1400bf2894ff05515ed8a77a812a5d341930b1707656c188d919d7911ad5f3e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[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 tempfile v3.1.0
[INFO] [stderr]    Compiling libcnb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `Command { std: "docker" "inspect" "1400bf2894ff05515ed8a77a812a5d341930b1707656c188d919d7911ad5f3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1400bf2894ff05515ed8a77a812a5d341930b1707656c188d919d7911ad5f3e8", kill_on_drop: false }`
[INFO] [stdout] 1400bf2894ff05515ed8a77a812a5d341930b1707656c188d919d7911ad5f3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6e8b8032bc0732da410a80942c8c823d04af1422bd33a3f3745bdaf7aafce9c
[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" "e6e8b8032bc0732da410a80942c8c823d04af1422bd33a3f3745bdaf7aafce9c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcnb-b2bacd67a66f4860)
[INFO] [stdout] test data::buildpack::tests::buildpack_id_does_not_allow_app ... ok
[INFO] [stdout] test data::build_plan::tests::it_writes_simple_build_plan ... ok
[INFO] [stdout] test layer::tests::new_reads_layer_toml_metadata ... ok
[INFO] [stdout] test data::layer::tests::metadata_is_optional ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_minimal_metabuildpack ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_from_str_major_minor ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_empty ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_from_str_major ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_simple ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_with_metadata ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_does_not_allow_config ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_minimal_buildpack ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_metabuildpack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcnb
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/platform.rs - platform::PlatformEnv::var (line 62) ... ok
[INFO] [stdout] test src/platform.rs - platform::PlatformEnv::from_path (line 80) ... ok
[INFO] [stdout] test src/platform.rs - platform::Platform::from_path (line 28) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name libcnb --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-574d0a73a3ad14d1.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rlib --extern libcnb=/opt/rustwide/target/debug/deps/liblibcnb-0dc30c9cdba5f779.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-54f4eb832bd366f8.rlib --extern semver=/opt/rustwide/target/debug/deps/libsemver-b2102f85ecfa6cb3.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-de88c9483646db3b.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-214fa4ab70306846.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4e990d65f3d03c41.rlib --extern toml=/opt/rustwide/target/debug/deps/libtoml-fae9cdc31aae633e.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e6e8b8032bc0732da410a80942c8c823d04af1422bd33a3f3745bdaf7aafce9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e8b8032bc0732da410a80942c8c823d04af1422bd33a3f3745bdaf7aafce9c", kill_on_drop: false }`
[INFO] [stdout] e6e8b8032bc0732da410a80942c8c823d04af1422bd33a3f3745bdaf7aafce9c