[INFO] fetching crate discrimination-tree 0.3.0...
[INFO] testing discrimination-tree-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate discrimination-tree 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate discrimination-tree 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discrimination-tree 0.3.0
[INFO] finished tweaking crates.io crate discrimination-tree 0.3.0
[INFO] tweaked toml for crates.io crate discrimination-tree 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555b078b0d9e9b77fd48b0ac9427d49fc99f3cfed74f131d8348fc151dce38c5
[INFO] running `Command { std: "docker" "start" "-a" "555b078b0d9e9b77fd48b0ac9427d49fc99f3cfed74f131d8348fc151dce38c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555b078b0d9e9b77fd48b0ac9427d49fc99f3cfed74f131d8348fc151dce38c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555b078b0d9e9b77fd48b0ac9427d49fc99f3cfed74f131d8348fc151dce38c5", kill_on_drop: false }`
[INFO] [stdout] 555b078b0d9e9b77fd48b0ac9427d49fc99f3cfed74f131d8348fc151dce38c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97df2250fbd5f7eb18003714fdcb541ffeaeaeecd8a8f750ee2609cb6e1236f
[INFO] running `Command { std: "docker" "start" "-a" "d97df2250fbd5f7eb18003714fdcb541ffeaeaeecd8a8f750ee2609cb6e1236f", kill_on_drop: false }`
[INFO] [stderr]    Compiling discrimination-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d97df2250fbd5f7eb18003714fdcb541ffeaeaeecd8a8f750ee2609cb6e1236f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97df2250fbd5f7eb18003714fdcb541ffeaeaeecd8a8f750ee2609cb6e1236f", kill_on_drop: false }`
[INFO] [stdout] d97df2250fbd5f7eb18003714fdcb541ffeaeaeecd8a8f750ee2609cb6e1236f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6403d2d8403e34108bd1728070b25e7bc0246b29d76e0679340659403f5eb1d
[INFO] running `Command { std: "docker" "start" "-a" "c6403d2d8403e34108bd1728070b25e7bc0246b29d76e0679340659403f5eb1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling discrimination-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/discrimination_tree-868399442f08ebb9)
[INFO] running `Command { std: "docker" "inspect" "c6403d2d8403e34108bd1728070b25e7bc0246b29d76e0679340659403f5eb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6403d2d8403e34108bd1728070b25e7bc0246b29d76e0679340659403f5eb1d", kill_on_drop: false }`
[INFO] [stdout] c6403d2d8403e34108bd1728070b25e7bc0246b29d76e0679340659403f5eb1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d90fe27589da786bdd0b8a2a3f8718ceaa03c631cd15d88e68781d6a49721994
[INFO] running `Command { std: "docker" "start" "-a" "d90fe27589da786bdd0b8a2a3f8718ceaa03c631cd15d88e68781d6a49721994", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/discrimination_tree-868399442f08ebb9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::exact ... ok
[INFO] [stdout] test tests::generalisation ... ok
[INFO] [stdout] test tests::instantiation ... ok
[INFO] [stdout] test tests::unification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests discrimination-tree
[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" "d90fe27589da786bdd0b8a2a3f8718ceaa03c631cd15d88e68781d6a49721994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90fe27589da786bdd0b8a2a3f8718ceaa03c631cd15d88e68781d6a49721994", kill_on_drop: false }`
[INFO] [stdout] d90fe27589da786bdd0b8a2a3f8718ceaa03c631cd15d88e68781d6a49721994