[INFO] fetching crate gc 0.4.1...
[INFO] testing gc-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gc 0.4.1 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate gc 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc 0.4.1
[INFO] finished tweaking crates.io crate gc 0.4.1
[INFO] tweaked toml for crates.io crate gc 0.4.1 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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 gc_derive v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb13a79c339798ea26f20e103d76e6443541ec5cf8aff37899bcf87b89887ce2
[INFO] running `Command { std: "docker" "start" "-a" "cb13a79c339798ea26f20e103d76e6443541ec5cf8aff37899bcf87b89887ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb13a79c339798ea26f20e103d76e6443541ec5cf8aff37899bcf87b89887ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb13a79c339798ea26f20e103d76e6443541ec5cf8aff37899bcf87b89887ce2", kill_on_drop: false }`
[INFO] [stdout] cb13a79c339798ea26f20e103d76e6443541ec5cf8aff37899bcf87b89887ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3fd34d84f347fefe2cb111e0cd7248db706f28ad0d3d67aa95238852cdf4646
[INFO] running `Command { std: "docker" "start" "-a" "d3fd34d84f347fefe2cb111e0cd7248db706f28ad0d3d67aa95238852cdf4646", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gc v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "d3fd34d84f347fefe2cb111e0cd7248db706f28ad0d3d67aa95238852cdf4646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fd34d84f347fefe2cb111e0cd7248db706f28ad0d3d67aa95238852cdf4646", kill_on_drop: false }`
[INFO] [stdout] d3fd34d84f347fefe2cb111e0cd7248db706f28ad0d3d67aa95238852cdf4646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1fcbc92d488bb948821e81f7b8ec6c08a3063ba86602688fe96883e82815e70
[INFO] running `Command { std: "docker" "start" "-a" "f1fcbc92d488bb948821e81f7b8ec6c08a3063ba86602688fe96883e82815e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling gc_derive v0.4.1
[INFO] [stderr]    Compiling gc v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "f1fcbc92d488bb948821e81f7b8ec6c08a3063ba86602688fe96883e82815e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fcbc92d488bb948821e81f7b8ec6c08a3063ba86602688fe96883e82815e70", kill_on_drop: false }`
[INFO] [stdout] f1fcbc92d488bb948821e81f7b8ec6c08a3063ba86602688fe96883e82815e70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe28a925222001c021e014274a7a9e11039bd35c3d9c8e2fdefc9e0ae59b8dc0
[INFO] running `Command { std: "docker" "start" "-a" "fe28a925222001c021e014274a7a9e11039bd35c3d9c8e2fdefc9e0ae59b8dc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gc-4970d2cd378a296a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive_bounds.rs (/opt/rustwide/target/debug/deps/derive_bounds-815d7d937fa2f923)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_derive_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/finalize.rs (/opt/rustwide/target/debug/deps/finalize-1404619250871879)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test drop_triggers_finalize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/from_raw.rs (/opt/rustwide/target/debug/deps/from_raw-7f3e4c63858167d6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_into_raw ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/gc_cell_ref.rs (/opt/rustwide/target/debug/deps/gc_cell_ref-56d60890be5fa4ba)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_gc_cell_ref_mut_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/gc_semantics.rs (/opt/rustwide/target/debug/deps/gc_semantics-824f89e0f4300d42)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test basic_allocate ... ok
[INFO] [stdout] test gccell_rooting ... ok
[INFO] [stdout] test basic_cycle_allocate ... ok
[INFO] [stdout] test ptr_eq ... 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]      Running tests/gymnastics_cycle.rs (/opt/rustwide/target/debug/deps/gymnastics_cycle-9a538766be280d8c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_cycle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/i128.rs (/opt/rustwide/target/debug/deps/i128-872b487ad8f0b020)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test i128 ... ok
[INFO] [stdout] test u128 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/trace_impl.rs (/opt/rustwide/target/debug/deps/trace_impl-b397239b94aa6dde)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unsized.rs (/opt/rustwide/target/debug/deps/unsized-3e5dcec7343b13eb)
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 gc_box_dyn_foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gc
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - GcCellRef::map (line 692) ... ok
[INFO] [stdout] test src/lib.rs - GcCell<T>::try_borrow (line 520) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::new (line 61) ... ok
[INFO] [stdout] test src/lib.rs - GcCellRef::map_split (line 727) ... ok
[INFO] [stdout] test src/lib.rs - GcCellRefMut::map (line 812) ... ok
[INFO] [stdout] test src/lib.rs - GcCell<T>::try_borrow_mut (line 562) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::into_raw (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::from_raw (line 167) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe28a925222001c021e014274a7a9e11039bd35c3d9c8e2fdefc9e0ae59b8dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe28a925222001c021e014274a7a9e11039bd35c3d9c8e2fdefc9e0ae59b8dc0", kill_on_drop: false }`
[INFO] [stdout] fe28a925222001c021e014274a7a9e11039bd35c3d9c8e2fdefc9e0ae59b8dc0