[INFO] cloning repository https://github.com/caseypeat/Rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caseypeat/Rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaseypeat%2FRusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaseypeat%2FRusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7c71e1bb1b01efe83ebe6fd38af402a954d42c3
[INFO] checking caseypeat/Rusty against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaseypeat%2FRusty" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caseypeat/Rusty on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caseypeat/Rusty
[INFO] finished tweaking git repo https://github.com/caseypeat/Rusty
[INFO] tweaked toml for git repo https://github.com/caseypeat/Rusty written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/caseypeat/Rusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2486d4f19a7c8cf918c72f377d6caaad4ce709d56e2c83f9784d6ab2ff686d55
[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" "2486d4f19a7c8cf918c72f377d6caaad4ce709d56e2c83f9784d6ab2ff686d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2486d4f19a7c8cf918c72f377d6caaad4ce709d56e2c83f9784d6ab2ff686d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2486d4f19a7c8cf918c72f377d6caaad4ce709d56e2c83f9784d6ab2ff686d55", kill_on_drop: false }`
[INFO] [stdout] 2486d4f19a7c8cf918c72f377d6caaad4ce709d56e2c83f9784d6ab2ff686d55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c06920de01ba0d78cf5c16d3a1db84a9ccaa7768d2cbda5eb10511c4ffe1627e
[INFO] running `Command { std: "docker" "start" "-a" "c06920de01ba0d78cf5c16d3a1db84a9ccaa7768d2cbda5eb10511c4ffe1627e", kill_on_drop: false }`
[INFO] [stderr]     Checking Rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `println`
[INFO] [stdout]   --> src/main.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let array:[[f32; 4]; 4]
[INFO] [stdout]    |                            ^ help: add `;` here
[INFO] [stdout] 14 |     println!("{}", array)
[INFO] [stdout]    |     ------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `println`
[INFO] [stdout]   --> src/main.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let array:[[f32; 4]; 4]
[INFO] [stdout]    |                            ^ help: add `;` here
[INFO] [stdout] 14 |     println!("{}", array)
[INFO] [stdout]    |     ------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[[f32; 4]; 4]` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     println!("{}", array)
[INFO] [stdout]    |                    ^^^^^ `[[f32; 4]; 4]` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `[[f32; 4]; 4]`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required by `std::fmt::Display::fmt`
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[[f32; 4]; 4]` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     println!("{}", array)
[INFO] [stdout]    |                    ^^^^^ `[[f32; 4]; 4]` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `[[f32; 4]; 4]`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required by `std::fmt::Display::fmt`
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Rusty`
[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" "c06920de01ba0d78cf5c16d3a1db84a9ccaa7768d2cbda5eb10511c4ffe1627e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c06920de01ba0d78cf5c16d3a1db84a9ccaa7768d2cbda5eb10511c4ffe1627e", kill_on_drop: false }`
[INFO] [stdout] c06920de01ba0d78cf5c16d3a1db84a9ccaa7768d2cbda5eb10511c4ffe1627e