[INFO] fetching crate map_ext 1.0.0...
[INFO] checking map_ext-1.0.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate map_ext 1.0.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate map_ext 1.0.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate map_ext 1.0.0
[INFO] finished tweaking crates.io crate map_ext 1.0.0
[INFO] tweaked toml for crates.io crate map_ext 1.0.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49b66da18718ee9cea739508ade8df8d4f82ba02ee969ca4e938805b8f3e8a98
[INFO] running `Command { std: "docker" "start" "-a" "49b66da18718ee9cea739508ade8df8d4f82ba02ee969ca4e938805b8f3e8a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b66da18718ee9cea739508ade8df8d4f82ba02ee969ca4e938805b8f3e8a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b66da18718ee9cea739508ade8df8d4f82ba02ee969ca4e938805b8f3e8a98", kill_on_drop: false }`
[INFO] [stdout] 49b66da18718ee9cea739508ade8df8d4f82ba02ee969ca4e938805b8f3e8a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b5e7fc1c9da7e3c41f3a122c6aba875b73dacda47e12148b0b2e8fd56a9161
[INFO] running `Command { std: "docker" "start" "-a" "93b5e7fc1c9da7e3c41f3a122c6aba875b73dacda47e12148b0b2e8fd56a9161", kill_on_drop: false }`
[INFO] [stderr]     Checking map_ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "93b5e7fc1c9da7e3c41f3a122c6aba875b73dacda47e12148b0b2e8fd56a9161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b5e7fc1c9da7e3c41f3a122c6aba875b73dacda47e12148b0b2e8fd56a9161", kill_on_drop: false }`
[INFO] [stdout] 93b5e7fc1c9da7e3c41f3a122c6aba875b73dacda47e12148b0b2e8fd56a9161