[INFO] fetching crate w4d 0.1.0...
[INFO] building w4d-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate w4d 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate w4d 0.1.0
[INFO] finished tweaking crates.io crate w4d 0.1.0
[INFO] tweaked toml for crates.io crate w4d 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate w4d 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding either v1.6.1 (available: v1.15.0)
[INFO] [stderr]       Adding pretty_assertions v1.2.1 (available: v1.4.1)
[INFO] [stderr]       Adding test_tools v0.3.0 (available: v0.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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 implements v0.3.0
[INFO] [stderr]   Downloaded dissimilar v1.0.10
[INFO] [stderr]   Downloaded mod_interface_meta v0.3.0
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded macro_tools v0.2.0
[INFO] [stderr]   Downloaded impls_index v0.2.0
[INFO] [stderr]   Downloaded for_each v0.3.0
[INFO] [stderr]   Downloaded impls_index_meta v0.2.0
[INFO] [stderr]   Downloaded literally v0.1.3
[INFO] [stderr]   Downloaded derive_tools_meta v0.2.0
[INFO] [stderr]   Downloaded derive_tools v0.2.0
[INFO] [stderr]   Downloaded interval_adapter v0.2.3
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded mem_tools v0.1.1
[INFO] [stderr]   Downloaded winterval v0.1.5
[INFO] [stderr]   Downloaded type_constructor v0.1.19
[INFO] [stderr]   Downloaded diagnostics_tools v0.2.0
[INFO] [stderr]   Downloaded is_slice v0.3.0
[INFO] [stderr]   Downloaded typing_tools v0.2.0
[INFO] [stderr]   Downloaded test_tools v0.3.0
[INFO] [stderr]   Downloaded mod_interface v0.3.0
[INFO] [stderr]   Downloaded meta_tools v0.4.0
[INFO] [stderr]   Downloaded inspect_type v0.4.0
[INFO] [stderr]   Downloaded data_type v0.1.9
[INFO] [stderr]   Downloaded pretty_assertions v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90a047cf995591cdfa04ffbae9d69e1360769f50a2e4eb3bad6ff1b50386cdac
[INFO] running `Command { std: "docker" "start" "-a" "90a047cf995591cdfa04ffbae9d69e1360769f50a2e4eb3bad6ff1b50386cdac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90a047cf995591cdfa04ffbae9d69e1360769f50a2e4eb3bad6ff1b50386cdac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a047cf995591cdfa04ffbae9d69e1360769f50a2e4eb3bad6ff1b50386cdac", kill_on_drop: false }`
[INFO] [stdout] 90a047cf995591cdfa04ffbae9d69e1360769f50a2e4eb3bad6ff1b50386cdac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 490732a07871268e1676ebf23f5b511b560bf90ec701f3d5a5f391c8e32fb7d9
[INFO] running `Command { std: "docker" "start" "-a" "490732a07871268e1676ebf23f5b511b560bf90ec701f3d5a5f391c8e32fb7d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling w4d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "490732a07871268e1676ebf23f5b511b560bf90ec701f3d5a5f391c8e32fb7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490732a07871268e1676ebf23f5b511b560bf90ec701f3d5a5f391c8e32fb7d9", kill_on_drop: false }`
[INFO] [stdout] 490732a07871268e1676ebf23f5b511b560bf90ec701f3d5a5f391c8e32fb7d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f82fc4cb74c325ed36a60134164328f6175a1b7d3e3b9b01dab32565c161bf3
[INFO] running `Command { std: "docker" "start" "-a" "2f82fc4cb74c325ed36a60134164328f6175a1b7d3e3b9b01dab32565c161bf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling interval_adapter v0.2.3
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling is_slice v0.3.0
[INFO] [stderr]    Compiling literally v0.1.3
[INFO] [stderr]    Compiling implements v0.3.0
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling for_each v0.3.0
[INFO] [stderr]    Compiling inspect_type v0.4.0
[INFO] [stderr]    Compiling winterval v0.1.5
[INFO] [stderr]    Compiling type_constructor v0.1.19
[INFO] [stderr]    Compiling typing_tools v0.2.0
[INFO] [stderr]    Compiling mem_tools v0.1.1
[INFO] [stderr]    Compiling pretty_assertions v1.2.1
[INFO] [stderr]    Compiling diagnostics_tools v0.2.0
[INFO] [stderr]    Compiling data_type v0.1.9
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling macro_tools v0.2.0
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stderr]    Compiling derive_tools_meta v0.2.0
[INFO] [stderr]    Compiling impls_index_meta v0.2.0
[INFO] [stderr]    Compiling derive_tools v0.2.0
[INFO] [stderr]    Compiling mod_interface_meta v0.3.0
[INFO] [stderr]    Compiling impls_index v0.2.0
[INFO] [stderr]    Compiling mod_interface v0.3.0
[INFO] [stderr]    Compiling meta_tools v0.4.0
[INFO] [stderr]    Compiling test_tools v0.3.0
[INFO] [stderr]    Compiling w4d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "2f82fc4cb74c325ed36a60134164328f6175a1b7d3e3b9b01dab32565c161bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f82fc4cb74c325ed36a60134164328f6175a1b7d3e3b9b01dab32565c161bf3", kill_on_drop: false }`
[INFO] [stdout] 2f82fc4cb74c325ed36a60134164328f6175a1b7d3e3b9b01dab32565c161bf3