[INFO] crate hashcons 0.1.2 is already in cache
[INFO] testing hashcons-0.1.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate hashcons 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hashcons 0.1.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashcons 0.1.2
[INFO] finished tweaking crates.io crate hashcons 0.1.2
[INFO] tweaked toml for crates.io crate hashcons 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 972b5b3918fe7f8dcb4e5065e26c92d46fe8bbafb41dbd4af6f7bd60cc9f5f3e
[INFO] running `Command { std: "docker" "start" "-a" "972b5b3918fe7f8dcb4e5065e26c92d46fe8bbafb41dbd4af6f7bd60cc9f5f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "972b5b3918fe7f8dcb4e5065e26c92d46fe8bbafb41dbd4af6f7bd60cc9f5f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972b5b3918fe7f8dcb4e5065e26c92d46fe8bbafb41dbd4af6f7bd60cc9f5f3e", kill_on_drop: false }`
[INFO] [stdout] 972b5b3918fe7f8dcb4e5065e26c92d46fe8bbafb41dbd4af6f7bd60cc9f5f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] cd7a75de0b96901d70ea347a477b99685a44e62fe8016c6e03a0870763957fdc
[INFO] running `Command { std: "docker" "start" "-a" "cd7a75de0b96901d70ea347a477b99685a44e62fe8016c6e03a0870763957fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling hashcons v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "cd7a75de0b96901d70ea347a477b99685a44e62fe8016c6e03a0870763957fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7a75de0b96901d70ea347a477b99685a44e62fe8016c6e03a0870763957fdc", kill_on_drop: false }`
[INFO] [stdout] cd7a75de0b96901d70ea347a477b99685a44e62fe8016c6e03a0870763957fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] 139f26795b2e3f4137ece792050195b0ac031a76783cb96d59685cba2de45891
[INFO] running `Command { std: "docker" "start" "-a" "139f26795b2e3f4137ece792050195b0ac031a76783cb96d59685cba2de45891", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashcons v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "139f26795b2e3f4137ece792050195b0ac031a76783cb96d59685cba2de45891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139f26795b2e3f4137ece792050195b0ac031a76783cb96d59685cba2de45891", kill_on_drop: false }`
[INFO] [stdout] 139f26795b2e3f4137ece792050195b0ac031a76783cb96d59685cba2de45891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e77d1b00363e287fd5b74d65a2ea5e76e7383b52ea72fb497287397e2d4dccd7
[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" "e77d1b00363e287fd5b74d65a2ea5e76e7383b52ea72fb497287397e2d4dccd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hashcons-fb9efa3a97d585ac
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test merkle::list_example::test_intro_forms ... ok
[INFO] [stdout] test merkle::list_example::test_elim_forms ... ok
[INFO] [stdout] test merkle::list_example::test_serde ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hashcons
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e77d1b00363e287fd5b74d65a2ea5e76e7383b52ea72fb497287397e2d4dccd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77d1b00363e287fd5b74d65a2ea5e76e7383b52ea72fb497287397e2d4dccd7", kill_on_drop: false }`
[INFO] [stdout] e77d1b00363e287fd5b74d65a2ea5e76e7383b52ea72fb497287397e2d4dccd7