[INFO] fetching crate zc 0.4.0...
[INFO] testing zc-0.4.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate zc 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate zc 0.4.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aliasable v0.1.3
[INFO] [stderr]   Downloaded zc-derive v0.4.0
[INFO] [stderr]   Downloaded dangerous v0.8.0
[INFO] [stderr]   Downloaded trybuild v1.0.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb23cc8d030bb318c182c8de7b56ef3a598673051e4144f4d6b7f7e505ab4fa
[INFO] running `Command { std: "docker" "start" "-a" "5eb23cc8d030bb318c182c8de7b56ef3a598673051e4144f4d6b7f7e505ab4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb23cc8d030bb318c182c8de7b56ef3a598673051e4144f4d6b7f7e505ab4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb23cc8d030bb318c182c8de7b56ef3a598673051e4144f4d6b7f7e505ab4fa", kill_on_drop: false }`
[INFO] [stdout] 5eb23cc8d030bb318c182c8de7b56ef3a598673051e4144f4d6b7f7e505ab4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac439a7a890a1e3da1951abf439faef6024043df6dc278b0a0930cd365d11bc
[INFO] running `Command { std: "docker" "start" "-a" "bac439a7a890a1e3da1951abf439faef6024043df6dc278b0a0930cd365d11bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[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 7.96s
[INFO] running `Command { std: "docker" "inspect" "bac439a7a890a1e3da1951abf439faef6024043df6dc278b0a0930cd365d11bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac439a7a890a1e3da1951abf439faef6024043df6dc278b0a0930cd365d11bc", kill_on_drop: false }`
[INFO] [stdout] bac439a7a890a1e3da1951abf439faef6024043df6dc278b0a0930cd365d11bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cf7b482cee789aae61d53cf20c35e56c45b53da711d4c17a8ce7563807aad0
[INFO] running `Command { std: "docker" "start" "-a" "29cf7b482cee789aae61d53cf20c35e56c45b53da711d4c17a8ce7563807aad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling dangerous v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[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 20.43s
[INFO] running `Command { std: "docker" "inspect" "29cf7b482cee789aae61d53cf20c35e56c45b53da711d4c17a8ce7563807aad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cf7b482cee789aae61d53cf20c35e56c45b53da711d4c17a8ce7563807aad0", kill_on_drop: false }`
[INFO] [stdout] 29cf7b482cee789aae61d53cf20c35e56c45b53da711d4c17a8ce7563807aad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8997b0f0144a4ebe114cc098d0ae7b1ecb6933706e5e2975e5d44f7b4365146f
[INFO] running `Command { std: "docker" "start" "-a" "8997b0f0144a4ebe114cc098d0ae7b1ecb6933706e5e2975e5d44f7b4365146f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zc-732883da1141cdd0)
[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-62a4472bd66594fb)
[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-0c376ec35e116d8c)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_aliasable_vec ... ok
[INFO] [stdout] test test_struct_with_bytes_from ... ok
[INFO] [stdout] test test_struct_with_bytes_construct ... ok
[INFO] [stdout] test test_struct_with_str_from ... ok
[INFO] [stdout] test test_aliasable_box ... ok
[INFO] [stdout] test test_struct_with_bytes_try_from ... ok
[INFO] [stdout] test test_struct_with_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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>::into_owner (line 192) ... ok
[INFO] [stdout] test src/lib.rs - Zc<O, D>::new (line 58) ... ok
[INFO] [stdout] test src/lib.rs - Zc<O, D>::get (line 128) ... 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>::as_owned (line 168) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8997b0f0144a4ebe114cc098d0ae7b1ecb6933706e5e2975e5d44f7b4365146f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8997b0f0144a4ebe114cc098d0ae7b1ecb6933706e5e2975e5d44f7b4365146f", kill_on_drop: false }`
[INFO] [stdout] 8997b0f0144a4ebe114cc098d0ae7b1ecb6933706e5e2975e5d44f7b4365146f