[INFO] fetching crate witcher 0.1.19...
[INFO] checking witcher-0.1.19 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate witcher 0.1.19 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate witcher 0.1.19 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witcher 0.1.19
[INFO] finished tweaking crates.io crate witcher 0.1.19
[INFO] tweaked toml for crates.io crate witcher 0.1.19 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate witcher 0.1.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc96a41bcca65c8766911675efdc00d0dbfc439a4d660234139236c331c64cb0
[INFO] running `Command { std: "docker" "start" "-a" "dc96a41bcca65c8766911675efdc00d0dbfc439a4d660234139236c331c64cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc96a41bcca65c8766911675efdc00d0dbfc439a4d660234139236c331c64cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc96a41bcca65c8766911675efdc00d0dbfc439a4d660234139236c331c64cb0", kill_on_drop: false }`
[INFO] [stdout] dc96a41bcca65c8766911675efdc00d0dbfc439a4d660234139236c331c64cb0
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 928c4e41f200b0c20e14f4171d9c17d032d2d0f505ab14671bd18c1cd0b5bea2
[INFO] running `Command { std: "docker" "start" "-a" "928c4e41f200b0c20e14f4171d9c17d032d2d0f505ab14671bd18c1cd0b5bea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking gory v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking witcher v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "928c4e41f200b0c20e14f4171d9c17d032d2d0f505ab14671bd18c1cd0b5bea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928c4e41f200b0c20e14f4171d9c17d032d2d0f505ab14671bd18c1cd0b5bea2", kill_on_drop: false }`
[INFO] [stdout] 928c4e41f200b0c20e14f4171d9c17d032d2d0f505ab14671bd18c1cd0b5bea2