[INFO] cloning repository https://github.com/t94j0/mash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t94j0/mash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft94j0%2Fmash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft94j0%2Fmash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 473cca7e84f268005fcf796340dda3b7a3098104
[INFO] checking t94j0/mash against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft94j0%2Fmash" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t94j0/mash 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 git repo https://github.com/t94j0/mash
[INFO] finished tweaking git repo https://github.com/t94j0/mash
[INFO] tweaked toml for git repo https://github.com/t94j0/mash written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/t94j0/mash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 6653deaf63ac729071275adc0d39f769c0fca26631eaf8238905c3e40043dd0f
[INFO] running `Command { std: "docker" "start" "-a" "6653deaf63ac729071275adc0d39f769c0fca26631eaf8238905c3e40043dd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6653deaf63ac729071275adc0d39f769c0fca26631eaf8238905c3e40043dd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6653deaf63ac729071275adc0d39f769c0fca26631eaf8238905c3e40043dd0f", kill_on_drop: false }`
[INFO] [stdout] 6653deaf63ac729071275adc0d39f769c0fca26631eaf8238905c3e40043dd0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 0aba9e78111f1c3ad8ddb8b1f1c9d9e23b6c265093c732951d3e6dc30820b934
[INFO] running `Command { std: "docker" "start" "-a" "0aba9e78111f1c3ad8ddb8b1f1c9d9e23b6c265093c732951d3e6dc30820b934", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking mash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&&[&str]` is not an iterator
[INFO] [stdout]    --> src/main.rs:35:15
[INFO] [stdout]     |
[INFO] [stdout] 35  |         .args(&args)
[INFO] [stdout]     |          ---- ^^^^^
[INFO] [stdout]     |          |    |
[INFO] [stdout]     |          |    `&&[&str]` is not an iterator
[INFO] [stdout]     |          |    help: consider adding dereference here: `&*args`
[INFO] [stdout]     |          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&&[&str]`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&&[&str]`
[INFO] [stdout] note: required by a bound in `Command::args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&&[&str]` is not an iterator
[INFO] [stdout]    --> src/main.rs:35:15
[INFO] [stdout]     |
[INFO] [stdout] 35  |         .args(&args)
[INFO] [stdout]     |          ---- ^^^^^
[INFO] [stdout]     |          |    |
[INFO] [stdout]     |          |    `&&[&str]` is not an iterator
[INFO] [stdout]     |          |    help: consider adding dereference here: `&*args`
[INFO] [stdout]     |          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&&[&str]`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&&[&str]`
[INFO] [stdout] note: required by a bound in `Command::args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mash` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0aba9e78111f1c3ad8ddb8b1f1c9d9e23b6c265093c732951d3e6dc30820b934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aba9e78111f1c3ad8ddb8b1f1c9d9e23b6c265093c732951d3e6dc30820b934", kill_on_drop: false }`
[INFO] [stdout] 0aba9e78111f1c3ad8ddb8b1f1c9d9e23b6c265093c732951d3e6dc30820b934