[INFO] fetching crate immutable_string 0.1.1...
[INFO] testing immutable_string-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate immutable_string 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate immutable_string 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immutable_string 0.1.1
[INFO] finished tweaking crates.io crate immutable_string 0.1.1
[INFO] tweaked toml for crates.io crate immutable_string 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4af4dcef9582353982f5a9c216d4f50da0b0dd70747d634c7fc34aa9ead4e59
[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" "e4af4dcef9582353982f5a9c216d4f50da0b0dd70747d634c7fc34aa9ead4e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4af4dcef9582353982f5a9c216d4f50da0b0dd70747d634c7fc34aa9ead4e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4af4dcef9582353982f5a9c216d4f50da0b0dd70747d634c7fc34aa9ead4e59", kill_on_drop: false }`
[INFO] [stdout] e4af4dcef9582353982f5a9c216d4f50da0b0dd70747d634c7fc34aa9ead4e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f61094365603b82ec4c99e76de1a6761ecbc7587ab9ab9b2ca61184ef11579ef
[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" "f61094365603b82ec4c99e76de1a6761ecbc7587ab9ab9b2ca61184ef11579ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling weak-table v0.3.0
[INFO] [stderr]    Compiling immutable_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "f61094365603b82ec4c99e76de1a6761ecbc7587ab9ab9b2ca61184ef11579ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61094365603b82ec4c99e76de1a6761ecbc7587ab9ab9b2ca61184ef11579ef", kill_on_drop: false }`
[INFO] [stdout] f61094365603b82ec4c99e76de1a6761ecbc7587ab9ab9b2ca61184ef11579ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8198601b8a269f1bfaec59e82e0c00ceb25f43a1535c361f6831c35b31ce76d9
[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" "8198601b8a269f1bfaec59e82e0c00ceb25f43a1535c361f6831c35b31ce76d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "8198601b8a269f1bfaec59e82e0c00ceb25f43a1535c361f6831c35b31ce76d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8198601b8a269f1bfaec59e82e0c00ceb25f43a1535c361f6831c35b31ce76d9", kill_on_drop: false }`
[INFO] [stdout] 8198601b8a269f1bfaec59e82e0c00ceb25f43a1535c361f6831c35b31ce76d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffc46bb76d83c80cc2753b17a8e228bfe28c76a015223d84bb395aa6de7c9f1c
[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" "ffc46bb76d83c80cc2753b17a8e228bfe28c76a015223d84bb395aa6de7c9f1c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::display ... ok
[INFO] [stdout] test tests::iter_collect ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/immutable_string-e5f7a6172931dfcb)
[INFO] [stdout] test tests::two_insertion_sharing ... ok
[INFO] [stderr]    Doc-tests immutable_string
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ImmutableString::use_count (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffc46bb76d83c80cc2753b17a8e228bfe28c76a015223d84bb395aa6de7c9f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc46bb76d83c80cc2753b17a8e228bfe28c76a015223d84bb395aa6de7c9f1c", kill_on_drop: false }`
[INFO] [stdout] ffc46bb76d83c80cc2753b17a8e228bfe28c76a015223d84bb395aa6de7c9f1c
