[INFO] cloning repository https://github.com/ptgroup/polsim-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptgroup/polsim-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptgroup%2Fpolsim-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptgroup%2Fpolsim-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91cabbb235022c49145f9067e4056462c52068f1
[INFO] checking ptgroup/polsim-rs against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptgroup%2Fpolsim-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptgroup/polsim-rs on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ptgroup/polsim-rs
[INFO] finished tweaking git repo https://github.com/ptgroup/polsim-rs
[INFO] tweaked toml for git repo https://github.com/ptgroup/polsim-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ptgroup/polsim-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3a17aebf5caf8c88624500d7f0092bf64340726b45dc53da3f6116d108458a2
[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" "e3a17aebf5caf8c88624500d7f0092bf64340726b45dc53da3f6116d108458a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a17aebf5caf8c88624500d7f0092bf64340726b45dc53da3f6116d108458a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a17aebf5caf8c88624500d7f0092bf64340726b45dc53da3f6116d108458a2", kill_on_drop: false }`
[INFO] [stdout] e3a17aebf5caf8c88624500d7f0092bf64340726b45dc53da3f6116d108458a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] a5b67cc2bd3f826fee228749e8b0ebf388dc6a307528d447d0ea1425e6b3f37c
[INFO] running `Command { std: "docker" "start" "-a" "a5b67cc2bd3f826fee228749e8b0ebf388dc6a307528d447d0ea1425e6b3f37c", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking polsim-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.20s
[INFO] running `Command { std: "docker" "inspect" "a5b67cc2bd3f826fee228749e8b0ebf388dc6a307528d447d0ea1425e6b3f37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b67cc2bd3f826fee228749e8b0ebf388dc6a307528d447d0ea1425e6b3f37c", kill_on_drop: false }`
[INFO] [stdout] a5b67cc2bd3f826fee228749e8b0ebf388dc6a307528d447d0ea1425e6b3f37c