[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 master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fjubilant-train" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iximeow/jubilant-train on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/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-3/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" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d545b8780bf82c8c51fb04d863a6be340b0c8c9a2bf9187a8c666532e03b1030
[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" "d545b8780bf82c8c51fb04d863a6be340b0c8c9a2bf9187a8c666532e03b1030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d545b8780bf82c8c51fb04d863a6be340b0c8c9a2bf9187a8c666532e03b1030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d545b8780bf82c8c51fb04d863a6be340b0c8c9a2bf9187a8c666532e03b1030", kill_on_drop: false }`
[INFO] [stdout] d545b8780bf82c8c51fb04d863a6be340b0c8c9a2bf9187a8c666532e03b1030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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] 5fb62a33ff1adf8e8357bd4ffae4d1c18bfd0101e8c8ef146a1111b26a78564c
[INFO] running `Command { std: "docker" "start" "-a" "5fb62a33ff1adf8e8357bd4ffae4d1c18bfd0101e8c8ef146a1111b26a78564c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[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: `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: 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: 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 3.28s
[INFO] running `Command { std: "docker" "inspect" "5fb62a33ff1adf8e8357bd4ffae4d1c18bfd0101e8c8ef146a1111b26a78564c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb62a33ff1adf8e8357bd4ffae4d1c18bfd0101e8c8ef146a1111b26a78564c", kill_on_drop: false }`
[INFO] [stdout] 5fb62a33ff1adf8e8357bd4ffae4d1c18bfd0101e8c8ef146a1111b26a78564c