[INFO] fetching crate fieldwork 0.4.6...
[INFO] checking fieldwork-0.4.6 against master#021fc25b7a48f6051bee1e1f06c7a277e4de1cc9 for pr-151510
[INFO] extracting crate fieldwork 0.4.6 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate fieldwork 0.4.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fieldwork 0.4.6
[INFO] tweaked toml for crates.io crate fieldwork 0.4.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fieldwork 0.4.6 on toolchain 021fc25b7a48f6051bee1e1f06c7a277e4de1cc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fieldwork 0.4.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.9.0
[INFO] [stderr]   Downloaded macrotest v1.1.0
[INFO] [stderr]   Downloaded toml_writer v1.0.0
[INFO] [stderr]   Downloaded runtime-macros v1.1.1
[INFO] [stderr]   Downloaded toml_parser v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b87cba9c11287a4d552625ccb62ebce00df6dbbd8cb1762dd1784c5d4630893
[INFO] running `Command { std: "docker" "start" "-a" "4b87cba9c11287a4d552625ccb62ebce00df6dbbd8cb1762dd1784c5d4630893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b87cba9c11287a4d552625ccb62ebce00df6dbbd8cb1762dd1784c5d4630893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b87cba9c11287a4d552625ccb62ebce00df6dbbd8cb1762dd1784c5d4630893", kill_on_drop: false }`
[INFO] [stdout] 4b87cba9c11287a4d552625ccb62ebce00df6dbbd8cb1762dd1784c5d4630893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac462e2b3b7691fe45a11d50cfae34b762e835065db88cc6ca0870c64e5ad7e0
[INFO] running `Command { std: "docker" "start" "-a" "ac462e2b3b7691fe45a11d50cfae34b762e835065db88cc6ca0870c64e5ad7e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking winnow v0.7.10
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking toml_writer v1.0.0
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking toml_parser v1.0.0
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.9.0
[INFO] [stderr]     Checking runtime-macros v1.1.1
[INFO] [stderr]     Checking fieldwork v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking macrotest v1.1.0
[INFO] [stderr]     Checking trybuild v1.0.106
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "ac462e2b3b7691fe45a11d50cfae34b762e835065db88cc6ca0870c64e5ad7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac462e2b3b7691fe45a11d50cfae34b762e835065db88cc6ca0870c64e5ad7e0", kill_on_drop: false }`
[INFO] [stdout] ac462e2b3b7691fe45a11d50cfae34b762e835065db88cc6ca0870c64e5ad7e0