[INFO] fetching crate zc 0.4.0...
[INFO] testing zc-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate zc 0.4.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate zc 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zc 0.4.0
[INFO] finished tweaking crates.io crate zc 0.4.0
[INFO] tweaked toml for crates.io crate zc 0.4.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate crates.io crate zc 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eccc5f71c66345143ae39eee42c9b2826ece9488ba6604a9da446b8a7b7b602
[INFO] running `Command { std: "docker" "start" "-a" "3eccc5f71c66345143ae39eee42c9b2826ece9488ba6604a9da446b8a7b7b602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eccc5f71c66345143ae39eee42c9b2826ece9488ba6604a9da446b8a7b7b602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eccc5f71c66345143ae39eee42c9b2826ece9488ba6604a9da446b8a7b7b602", kill_on_drop: false }`
[INFO] [stdout] 3eccc5f71c66345143ae39eee42c9b2826ece9488ba6604a9da446b8a7b7b602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7f51e143ded05317198e40848d88b15dc69d6257f64bade649b2ed84668054
[INFO] running `Command { std: "docker" "start" "-a" "0a7f51e143ded05317198e40848d88b15dc69d6257f64bade649b2ed84668054", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling zc-derive v0.4.0
[INFO] [stderr]    Compiling zc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `Command { std: "docker" "inspect" "0a7f51e143ded05317198e40848d88b15dc69d6257f64bade649b2ed84668054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7f51e143ded05317198e40848d88b15dc69d6257f64bade649b2ed84668054", kill_on_drop: false }`
[INFO] [stdout] 0a7f51e143ded05317198e40848d88b15dc69d6257f64bade649b2ed84668054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f720e4bc2d70d169cea7268bf8a78d856d3e0e41f103b36b93381d7c41bde9a
[INFO] running `Command { std: "docker" "start" "-a" "8f720e4bc2d70d169cea7268bf8a78d856d3e0e41f103b36b93381d7c41bde9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling dangerous v0.8.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling zc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.25s
[INFO] running `Command { std: "docker" "inspect" "8f720e4bc2d70d169cea7268bf8a78d856d3e0e41f103b36b93381d7c41bde9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f720e4bc2d70d169cea7268bf8a78d856d3e0e41f103b36b93381d7c41bde9a", kill_on_drop: false }`
[INFO] [stdout] 8f720e4bc2d70d169cea7268bf8a78d856d3e0e41f103b36b93381d7c41bde9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2897ff15cfdb555726c2c09c89fce827a67be1feaf3d4e375694e7f77093b463
[INFO] running `Command { std: "docker" "start" "-a" "2897ff15cfdb555726c2c09c89fce827a67be1feaf3d4e375694e7f77093b463", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zc-a01425eb1d8bc1e1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_invalid_use.rs (/opt/rustwide/target/debug/deps/test_invalid_use-abdedf86bfd6de6c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_zc.rs (/opt/rustwide/target/debug/deps/test_zc-1e7f86b098465ea9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_aliasable_box ... ok
[INFO] [stdout] test test_aliasable_vec ... ok
[INFO] [stdout] test test_struct_with_bytes_construct ... ok
[INFO] [stdout] test test_struct_with_bytes_from ... ok
[INFO] [stdout] test test_struct_with_error ... ok
[INFO] [stdout] test test_struct_with_str_from ... ok
[INFO] [stdout] test test_struct_with_bytes_try_from ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zc
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Dependant (line 391) ... ok
[INFO] [stdout] test src/lib.rs - Dependant (line 345) ... ok
[INFO] [stdout] test src/lib.rs - Zc<O,D>::new (line 58) ... ok
[INFO] [stdout] test src/lib.rs - Dependant (line 363) ... ok
[INFO] [stdout] test src/lib.rs - Zc<O,D>::try_new (line 88) ... ok
[INFO] [stdout] test src/lib.rs - Zc<O,D>::get (line 128) ... ok
[INFO] [stdout] test src/lib.rs - Zc<O,D>::as_owned (line 168) ... ok
[INFO] [stdout] test src/lib.rs - Zc<O,D>::into_owner (line 192) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2897ff15cfdb555726c2c09c89fce827a67be1feaf3d4e375694e7f77093b463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2897ff15cfdb555726c2c09c89fce827a67be1feaf3d4e375694e7f77093b463", kill_on_drop: false }`
[INFO] [stdout] 2897ff15cfdb555726c2c09c89fce827a67be1feaf3d4e375694e7f77093b463