[INFO] cloning repository https://github.com/iximeow/jubilant-train
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iximeow/jubilant-train" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fjubilant-train", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fjubilant-train'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 487f698fa9dc248d66ec91ac797f949b3f6760da
[INFO] checking iximeow/jubilant-train against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fjubilant-train" "/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/iximeow/jubilant-train on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/iximeow/jubilant-train
[INFO] finished tweaking git repo https://github.com/iximeow/jubilant-train
[INFO] tweaked toml for git repo https://github.com/iximeow/jubilant-train written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/iximeow/jubilant-train already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da70258514dba60cd2dd9358ed1757afe44fe0aecffb17dba0f4306db84ec41
[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" "1da70258514dba60cd2dd9358ed1757afe44fe0aecffb17dba0f4306db84ec41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da70258514dba60cd2dd9358ed1757afe44fe0aecffb17dba0f4306db84ec41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da70258514dba60cd2dd9358ed1757afe44fe0aecffb17dba0f4306db84ec41", kill_on_drop: false }`
[INFO] [stdout] 1da70258514dba60cd2dd9358ed1757afe44fe0aecffb17dba0f4306db84ec41
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd4de64bcdffe8d2e8ac8b1c808388906c25b27bc0cd6d8823cb7621ade8ce0
[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" "4fd4de64bcdffe8d2e8ac8b1c808388906c25b27bc0cd6d8823cb7621ade8ce0", kill_on_drop: false }`
[INFO] [stderr]     Checking sigstackoverflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SIGSEGV`
[INFO] [stdout]  --> src/bin/sigalrmy.rs:7:58
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{MAP_ANON, MAP_PRIVATE, PROT_READ, PROT_WRITE, SIGSEGV, SIGALRM};
[INFO] [stdout]   |                                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SIGSEGV`
[INFO] [stdout]  --> src/bin/sigalrmy.rs:7:58
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{MAP_ANON, MAP_PRIVATE, PROT_READ, PROT_WRITE, SIGSEGV, SIGALRM};
[INFO] [stdout]   |                                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SIGALRM`
[INFO] [stdout]  --> src/main.rs:7:67
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{MAP_ANON, MAP_PRIVATE, PROT_READ, PROT_WRITE, SIGSEGV, SIGALRM};
[INFO] [stdout]   |                                                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SIGALRM`
[INFO] [stdout]  --> src/main.rs:7:67
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{MAP_ANON, MAP_PRIVATE, PROT_READ, PROT_WRITE, SIGSEGV, SIGALRM};
[INFO] [stdout]   |                                                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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] [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 0.34s
[INFO] running `Command { std: "docker" "inspect" "4fd4de64bcdffe8d2e8ac8b1c808388906c25b27bc0cd6d8823cb7621ade8ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd4de64bcdffe8d2e8ac8b1c808388906c25b27bc0cd6d8823cb7621ade8ce0", kill_on_drop: false }`
[INFO] [stdout] 4fd4de64bcdffe8d2e8ac8b1c808388906c25b27bc0cd6d8823cb7621ade8ce0