[INFO] cloning repository https://github.com/malbarbo/mstcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malbarbo/mstcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b48336773edbf87006d19a226845ad21156b86fe
[INFO] checking malbarbo/mstcc against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malbarbo/mstcc on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malbarbo/mstcc
[INFO] finished tweaking git repo https://github.com/malbarbo/mstcc
[INFO] tweaked toml for git repo https://github.com/malbarbo/mstcc written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/malbarbo/mstcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fera-unionfind v0.1.0
[INFO] [stderr]   Downloaded fera-fun v0.1.0
[INFO] [stderr]   Downloaded fera-optional v0.1.1
[INFO] [stderr]   Downloaded fera v0.1.0
[INFO] [stderr]   Downloaded fera-ext v0.1.0
[INFO] [stderr]   Downloaded fera-graph v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", 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] 354f61d1399c995b40e5b1d7b8efcc0c5e7cc190a976b57eae6c1375016efa6b
[INFO] running `Command { std: "docker" "start" "-a" "354f61d1399c995b40e5b1d7b8efcc0c5e7cc190a976b57eae6c1375016efa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "354f61d1399c995b40e5b1d7b8efcc0c5e7cc190a976b57eae6c1375016efa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354f61d1399c995b40e5b1d7b8efcc0c5e7cc190a976b57eae6c1375016efa6b", kill_on_drop: false }`
[INFO] [stdout] 354f61d1399c995b40e5b1d7b8efcc0c5e7cc190a976b57eae6c1375016efa6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584af0ffc0abeb027e0dc0a47b473b44d6878e1cd025992484c36b8765c56aca
[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" "584af0ffc0abeb027e0dc0a47b473b44d6878e1cd025992484c36b8765c56aca", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking fera-fun v0.1.0
[INFO] [stderr]     Checking fera-unionfind v0.1.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking fera-ext v0.1.0
[INFO] [stderr]     Checking fera-optional v0.1.1
[INFO] [stderr]     Checking fera-graph v0.1.1
[INFO] [stderr]     Checking fera v0.1.0
[INFO] [stderr]     Checking mstcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.15s
[INFO] running `Command { std: "docker" "inspect" "584af0ffc0abeb027e0dc0a47b473b44d6878e1cd025992484c36b8765c56aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584af0ffc0abeb027e0dc0a47b473b44d6878e1cd025992484c36b8765c56aca", kill_on_drop: false }`
[INFO] [stdout] 584af0ffc0abeb027e0dc0a47b473b44d6878e1cd025992484c36b8765c56aca