[INFO] fetching crate contrail 0.3.0...
[INFO] testing contrail-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate contrail 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate contrail 0.3.0 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 contrail 0.3.0
[INFO] finished tweaking crates.io crate contrail 0.3.0
[INFO] tweaked toml for crates.io crate contrail 0.3.0 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7e649f6bd249452c32f7cf7f5d95bd4d49c2e655a4a1a2d0d9d29dcf808b1ec0
[INFO] running `Command { std: "docker" "start" "-a" "7e649f6bd249452c32f7cf7f5d95bd4d49c2e655a4a1a2d0d9d29dcf808b1ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e649f6bd249452c32f7cf7f5d95bd4d49c2e655a4a1a2d0d9d29dcf808b1ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e649f6bd249452c32f7cf7f5d95bd4d49c2e655a4a1a2d0d9d29dcf808b1ec0", kill_on_drop: false }`
[INFO] [stdout] 7e649f6bd249452c32f7cf7f5d95bd4d49c2e655a4a1a2d0d9d29dcf808b1ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c3cd1a03c80fbde51652a59fb2ef3712a74f24a1c387d8ffaa670af9a5687a8c
[INFO] running `Command { std: "docker" "start" "-a" "c3cd1a03c80fbde51652a59fb2ef3712a74f24a1c387d8ffaa670af9a5687a8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling contrail-derive v0.2.0
[INFO] [stderr]    Compiling contrail v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "c3cd1a03c80fbde51652a59fb2ef3712a74f24a1c387d8ffaa670af9a5687a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cd1a03c80fbde51652a59fb2ef3712a74f24a1c387d8ffaa670af9a5687a8c", kill_on_drop: false }`
[INFO] [stdout] c3cd1a03c80fbde51652a59fb2ef3712a74f24a1c387d8ffaa670af9a5687a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ef2f6412255d8942a04df429958babf58ae7d08c7b5fe613b15b979f200fb3e1
[INFO] running `Command { std: "docker" "start" "-a" "ef2f6412255d8942a04df429958babf58ae7d08c7b5fe613b15b979f200fb3e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling contrail v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "ef2f6412255d8942a04df429958babf58ae7d08c7b5fe613b15b979f200fb3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2f6412255d8942a04df429958babf58ae7d08c7b5fe613b15b979f200fb3e1", kill_on_drop: false }`
[INFO] [stdout] ef2f6412255d8942a04df429958babf58ae7d08c7b5fe613b15b979f200fb3e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 944ca31f075d44ccfa112fee855f6fd9d13a09c5f1575ae1d8c6c1fa214f7412
[INFO] running `Command { std: "docker" "start" "-a" "944ca31f075d44ccfa112fee855f6fd9d13a09c5f1575ae1d8c6c1fa214f7412", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/contrail-3408f4554c2a06a9)
[INFO] [stdout] running 36 tests
[INFO] [stdout] test mem::tests::array_pointer::clone_eq ... ok
[INFO] [stdout] test mem::tests::array_pointer::debug ... ok
[INFO] [stdout] test mem::tests::array_pointer::get_set_update ... ok
[INFO] [stdout] test mem::tests::array_pointer::empty ... ok
[INFO] [stdout] test tests::array::clone_eq ... ok
[INFO] [stdout] test tests::array::empty ... ok
[INFO] [stdout] test tests::array::debug ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::u32 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::unit ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::usize ... ok
[INFO] [stdout] test tests::array::update ... ok
[INFO] [stdout] test tests::value::debug ... ok
[INFO] [stdout] test tests::value::update ... ok
[INFO] [stdout] test tests::value::get_set_roundtrip ... ok
[INFO] [stdout] test tests::value::clone_eq ... ok
[INFO] [stdout] test tests::array::swap ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::isize ... ok
[INFO] [stdout] test mem::tests::pointer::debug ... ok
[INFO] [stdout] test tests::array::iter ... ok
[INFO] [stdout] test mem::tests::pointer::clone_eq ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::f64 ... ok
[INFO] [stdout] test tests::array::get_set_roundtrip ... ok
[INFO] [stdout] test mem::tests::array_pointer::swap ... ok
[INFO] [stdout] test mem::tests::pointer::get_set_update ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::i8 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::i64 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::u64 ... ok
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-f815a12a21878fd3)
[INFO] [stdout] test mem::tests::read_write_bytes::i128 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::i16 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::u128 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::f32 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::u8 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::i32 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::bool ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::u16 ... ok
[INFO] [stdout] test mem::tests::read_write_bytes::char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests contrail
[INFO] [stdout] test custom_derive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test src/mem.rs - mem::Bytes (line 62) - compile fail ... ok
[INFO] [stdout] test src/mem.rs - mem::Bytes (line 75) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::is_empty (line 489) ... ok
[INFO] [stdout] test src/lib.rs - Value<M, T>::update (line 375) ... ok
[INFO] [stdout] test src/lib.rs - Trail::trail_len (line 190) ... ok
[INFO] [stdout] test src/lib.rs - TrailBuilder::new (line 253) ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::new (line 448) ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::get (line 535) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer (line 369) ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::swap (line 607) ... ok
[INFO] [stdout] test src/lib.rs - Trail (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::update (line 582) ... ok
[INFO] [stdout] test src/lib.rs - Trail (line 86) ... ok
[INFO] [stdout] test src/lib.rs - Value<M, T>::set (line 356) ... ok
[INFO] [stdout] test src/mem.rs - mem::MemoryBuilder (line 144) ... ok
[INFO] [stdout] test src/lib.rs - Trail::backtrack (line 164) ... ok
[INFO] [stdout] test src/lib.rs - Trail::new_level (line 139) ... ok
[INFO] [stdout] test src/mem.rs - mem::Bytes (line 37) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer<T>::is_empty (line 462) ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::len (line 472) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer<T>::len (line 441) ... ok
[INFO] [stdout] test src/lib.rs - Trail::is_trail_empty (line 211) ... ok
[INFO] [stdout] test src/lib.rs - Value<M, T>::get (line 338) ... ok
[INFO] [stdout] test src/mem.rs - mem::Bytes (line 87) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer<T>::swap (line 574) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer<T>::new (line 396) ... ok
[INFO] [stdout] test src/lib.rs - Value<M, T>::new (line 317) ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::iter (line 508) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer<T>::set (line 516) ... ok
[INFO] [stdout] test src/lib.rs - TrailBuilder (line 233) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer<T>::update (line 549) ... ok
[INFO] [stdout] test src/lib.rs - Array<M, T>::set (line 557) ... ok
[INFO] [stdout] test src/mem.rs - mem::MemoryBuilder::new (line 164) ... ok
[INFO] [stdout] test src/mem.rs - mem::Pointer<T>::update (line 317) ... ok
[INFO] [stdout] test src/mem.rs - mem::ArrayPointer<T>::get (line 486) ... ok
[INFO] [stdout] test src/mem.rs - mem::Pointer (line 206) ... ok
[INFO] [stdout] test src/mem.rs - mem::Pointer<T>::get (line 268) ... ok
[INFO] [stdout] test src/lib.rs - TrailBuilder::finish (line 272) ... ok
[INFO] [stdout] test src/mem.rs - mem::MemoryBuilder::finish (line 180) ... ok
[INFO] [stdout] test src/storage.rs - storage::Backtrackable (line 36) ... ok
[INFO] [stdout] test src/storage.rs - storage::NonBacktrackable (line 83) ... ok
[INFO] [stdout] test src/mem.rs - mem::Pointer<T>::new (line 233) ... ok
[INFO] [stdout] test src/mem.rs - mem::Pointer<T>::set (line 292) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "944ca31f075d44ccfa112fee855f6fd9d13a09c5f1575ae1d8c6c1fa214f7412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944ca31f075d44ccfa112fee855f6fd9d13a09c5f1575ae1d8c6c1fa214f7412", kill_on_drop: false }`
[INFO] [stdout] 944ca31f075d44ccfa112fee855f6fd9d13a09c5f1575ae1d8c6c1fa214f7412