[INFO] updating cached repository https://github.com/cwoodall/rusty-nail
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11d94c5b2bddb420acdaee3ac0d0c99676f20fb2
[INFO] checking cwoodall/rusty-nail against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwoodall%2Frusty-nail" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwoodall/rusty-nail on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cwoodall/rusty-nail
[INFO] finished tweaking git repo https://github.com/cwoodall/rusty-nail
[INFO] tweaked toml for git repo https://github.com/cwoodall/rusty-nail written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cwoodall/rusty-nail already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7d1f41458ac2feead92b349a92051bc25da8d5a43da265c5be257006f2a2e60c
[INFO] running `"docker" "start" "-a" "7d1f41458ac2feead92b349a92051bc25da8d5a43da265c5be257006f2a2e60c"`
[INFO] [stderr]     Checking serde v0.9.5
[INFO] [stderr]     Checking itoa v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.0
[INFO] [stderr]     Checking sysfs-pwm v0.1.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling syn v0.10.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.12.1
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]     Checking cookie v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.0
[INFO] [stderr]     Checking hyper v0.10.4
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling diesel v0.10.0
[INFO] [stderr]    Compiling serde_derive v0.9.5
[INFO] [stderr]     Checking sysfs_gpio v0.4.4
[INFO] [stderr]     Checking dotenv v0.8.0
[INFO] [stderr]     Checking rocket v0.2.0
[INFO] [stderr]     Checking serde_json v0.9.4
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::borrow::Borrow<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.0/src/http/header.rs:480:47
[INFO] [stderr]     |
[INFO] [stderr] 480 |                 Header::new(key.as_str(), val.borrow())
[INFO] [stderr]     |                                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `rocket`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::borrow::Borrow<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.0/src/http/header.rs:480:47
[INFO] [stderr]     |
[INFO] [stderr] 480 |                 Header::new(key.as_str(), val.borrow())
[INFO] [stderr]     |                                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `rocket`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7d1f41458ac2feead92b349a92051bc25da8d5a43da265c5be257006f2a2e60c"`
[INFO] running `"docker" "rm" "-f" "7d1f41458ac2feead92b349a92051bc25da8d5a43da265c5be257006f2a2e60c"`
[INFO] [stdout] 7d1f41458ac2feead92b349a92051bc25da8d5a43da265c5be257006f2a2e60c