[INFO] cloning repository https://github.com/ten3roberts/rswatch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ten3roberts/rswatch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ften3roberts%2Frswatch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ften3roberts%2Frswatch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dafae8c32969f12d739a4765ce72039908c8e2b4
[INFO] checking ten3roberts/rswatch against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ften3roberts%2Frswatch" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ten3roberts/rswatch on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ten3roberts/rswatch
[INFO] finished tweaking git repo https://github.com/ten3roberts/rswatch
[INFO] tweaked toml for git repo https://github.com/ten3roberts/rswatch written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ten3roberts/rswatch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libcli v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3bc3b0a8e1a84b83504247200a4033b46f12ed8018a67e32c93684837043875
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3bc3b0a8e1a84b83504247200a4033b46f12ed8018a67e32c93684837043875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3bc3b0a8e1a84b83504247200a4033b46f12ed8018a67e32c93684837043875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bc3b0a8e1a84b83504247200a4033b46f12ed8018a67e32c93684837043875", kill_on_drop: false }`
[INFO] [stdout] e3bc3b0a8e1a84b83504247200a4033b46f12ed8018a67e32c93684837043875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47a2ea9f9dd138c96412d05f7ba0bc0b545d32d98f3ac8d183abeff1df5a9da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c47a2ea9f9dd138c96412d05f7ba0bc0b545d32d98f3ac8d183abeff1df5a9da", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking libcli v0.3.9
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking rswatch v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:98:38
[INFO] [stdout]    |
[INFO] [stdout] 98 |                     &substitute_args(&command, &changed),
[INFO] [stdout]    |                                      ^^^^^^^^ expected struct `std::vec::Vec`, found reference
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&std::vec::Vec<std::string::String>`
[INFO] [stdout]               found reference `&&[std::string::String]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:98:38
[INFO] [stdout]    |
[INFO] [stdout] 98 |                     &substitute_args(&command, &changed),
[INFO] [stdout]    |                                      ^^^^^^^^ expected struct `std::vec::Vec`, found reference
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&std::vec::Vec<std::string::String>`
[INFO] [stdout]               found reference `&&[std::string::String]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rswatch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c47a2ea9f9dd138c96412d05f7ba0bc0b545d32d98f3ac8d183abeff1df5a9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47a2ea9f9dd138c96412d05f7ba0bc0b545d32d98f3ac8d183abeff1df5a9da", kill_on_drop: false }`
[INFO] [stdout] c47a2ea9f9dd138c96412d05f7ba0bc0b545d32d98f3ac8d183abeff1df5a9da