[INFO] cloning repository https://github.com/iquiw/takus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iquiw/takus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Ftakus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Ftakus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1dda5344caeb0c14bdc0f2176a55f1f0607df3f
[INFO] checking iquiw/takus against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Ftakus" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iquiw/takus on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iquiw/takus
[INFO] finished tweaking git repo https://github.com/iquiw/takus
[INFO] tweaked toml for git repo https://github.com/iquiw/takus written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/iquiw/takus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bd83decdff5e33ba7e801ffd850ea006b881fef6975df825d1662691d0e6682
[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" "0bd83decdff5e33ba7e801ffd850ea006b881fef6975df825d1662691d0e6682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bd83decdff5e33ba7e801ffd850ea006b881fef6975df825d1662691d0e6682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd83decdff5e33ba7e801ffd850ea006b881fef6975df825d1662691d0e6682", kill_on_drop: false }`
[INFO] [stdout] 0bd83decdff5e33ba7e801ffd850ea006b881fef6975df825d1662691d0e6682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69e9be3b4e9aacab8a6fedd6881ade09da2b29588604f87e74139e2994a6886e
[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" "69e9be3b4e9aacab8a6fedd6881ade09da2b29588604f87e74139e2994a6886e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking yaml-merge-keys v0.4.1
[INFO] [stderr]     Checking takus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<T>`
[INFO] [stdout]   --> src/workflow.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut task_names = vec![];
[INFO] [stdout]    |             --------------   ^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             consider giving `task_names` the explicit type `Vec<T>`, where the type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `takus`
[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] [stdout] error[E0282]: type annotations needed for `Vec<T>`
[INFO] [stdout]   --> src/workflow.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut task_names = vec![];
[INFO] [stdout]    |             --------------   ^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             consider giving `task_names` the explicit type `Vec<T>`, where the type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/workflow.rs:115:44
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let map = Workflow::select(&mut m, &["C".to_string()]);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ expected `str`, found array of 1 element
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                found reference `&[std::string::String; 1]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69e9be3b4e9aacab8a6fedd6881ade09da2b29588604f87e74139e2994a6886e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e9be3b4e9aacab8a6fedd6881ade09da2b29588604f87e74139e2994a6886e", kill_on_drop: false }`
[INFO] [stdout] 69e9be3b4e9aacab8a6fedd6881ade09da2b29588604f87e74139e2994a6886e