[INFO] fetching crate gcollections 1.4.0...
[INFO] testing gcollections-1.4.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate gcollections 1.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gcollections 1.4.0 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 gcollections 1.4.0
[INFO] finished tweaking crates.io crate gcollections 1.4.0
[INFO] tweaked toml for crates.io crate gcollections 1.4.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trilean v1.1.0
[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" "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] be3ec4d6555046c86172efece3d14963d53c7eb0e65196165ee1b07e0bebac44
[INFO] running `Command { std: "docker" "start" "-a" "be3ec4d6555046c86172efece3d14963d53c7eb0e65196165ee1b07e0bebac44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3ec4d6555046c86172efece3d14963d53c7eb0e65196165ee1b07e0bebac44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3ec4d6555046c86172efece3d14963d53c7eb0e65196165ee1b07e0bebac44", kill_on_drop: false }`
[INFO] [stdout] be3ec4d6555046c86172efece3d14963d53c7eb0e65196165ee1b07e0bebac44
[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" "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] 89face181f2fead27629e1d00334cf3a36e0a8f094e5b550e7ad088eaa7e4cdc
[INFO] running `Command { std: "docker" "start" "-a" "89face181f2fead27629e1d00334cf3a36e0a8f094e5b550e7ad088eaa7e4cdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling trilean v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling gcollections v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "89face181f2fead27629e1d00334cf3a36e0a8f094e5b550e7ad088eaa7e4cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89face181f2fead27629e1d00334cf3a36e0a8f094e5b550e7ad088eaa7e4cdc", kill_on_drop: false }`
[INFO] [stdout] 89face181f2fead27629e1d00334cf3a36e0a8f094e5b550e7ad088eaa7e4cdc
[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" "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] 588bc9a21039173ad7f66006db48d20025aad2eab6f907baa9eb0bcfb88dc21b
[INFO] running `Command { std: "docker" "start" "-a" "588bc9a21039173ad7f66006db48d20025aad2eab6f907baa9eb0bcfb88dc21b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcollections v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "588bc9a21039173ad7f66006db48d20025aad2eab6f907baa9eb0bcfb88dc21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588bc9a21039173ad7f66006db48d20025aad2eab6f907baa9eb0bcfb88dc21b", kill_on_drop: false }`
[INFO] [stdout] 588bc9a21039173ad7f66006db48d20025aad2eab6f907baa9eb0bcfb88dc21b
[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" "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] 80e5450da70ae3904ecc894a2d62d196a4972031048c5f62341f1d2da6700811
[INFO] running `Command { std: "docker" "start" "-a" "80e5450da70ae3904ecc894a2d62d196a4972031048c5f62341f1d2da6700811", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gcollections-bcf5263367e6d80c)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr]    Doc-tests gcollections
[INFO] [stdout] test wrappers::optional::tests::cardinality_test ... ok
[INFO] [stdout] test wrappers::optional::tests::difference_test ... ok
[INFO] [stdout] test wrappers::optional::tests::difference_value_test ... ok
[INFO] [stdout] test wrappers::optional::tests::intersection_test ... ok
[INFO] [stdout] test wrappers::optional::tests::is_disjoint_and_overlap_test ... ok
[INFO] [stdout] test wrappers::optional::tests::arithmetics_tests ... ok
[INFO] [stdout] test wrappers::optional::tests::constructors_test ... ok
[INFO] [stdout] test wrappers::optional::tests::intersection_value_test ... ok
[INFO] [stdout] test wrappers::optional::tests::contains_test ... ok
[INFO] [stdout] test wrappers::optional::tests::proper_subset_test ... ok
[INFO] [stdout] test wrappers::primitives::tests::simple_tests ... ok
[INFO] [stdout] test wrappers::optional::tests::subset_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/libgcollections/kind.rs - kind (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80e5450da70ae3904ecc894a2d62d196a4972031048c5f62341f1d2da6700811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e5450da70ae3904ecc894a2d62d196a4972031048c5f62341f1d2da6700811", kill_on_drop: false }`
[INFO] [stdout] 80e5450da70ae3904ecc894a2d62d196a4972031048c5f62341f1d2da6700811