[INFO] fetching crate mathical 0.1.3...
[INFO] checking mathical-0.1.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate mathical 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mathical 0.1.3 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mathical 0.1.3
[INFO] finished tweaking crates.io crate mathical 0.1.3
[INFO] tweaked toml for crates.io crate mathical 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mathical 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fltk v0.15.6
[INFO] [stderr]   Downloaded fltk-derive v0.15.6
[INFO] [stderr]   Downloaded fltk-sys v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 6ef9cd992f654116dbc9a440712c7590804a9a1fe331691fb68771f53db65dea
[INFO] running `Command { std: "docker" "start" "-a" "6ef9cd992f654116dbc9a440712c7590804a9a1fe331691fb68771f53db65dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ef9cd992f654116dbc9a440712c7590804a9a1fe331691fb68771f53db65dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef9cd992f654116dbc9a440712c7590804a9a1fe331691fb68771f53db65dea", kill_on_drop: false }`
[INFO] [stdout] 6ef9cd992f654116dbc9a440712c7590804a9a1fe331691fb68771f53db65dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b8c16aa75b0d6a33c8b6d6b1d95cee5b848c87ef1f441073dc4245db5b15e6c
[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" "8b8c16aa75b0d6a33c8b6d6b1d95cee5b848c87ef1f441073dc4245db5b15e6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling fltk-sys v0.15.6
[INFO] [stderr]    Compiling fltk-derive v0.15.6
[INFO] [stderr]     Checking fltk v0.15.6
[INFO] [stderr]     Checking mathical v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.02s
[INFO] running `Command { std: "docker" "inspect" "8b8c16aa75b0d6a33c8b6d6b1d95cee5b848c87ef1f441073dc4245db5b15e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8c16aa75b0d6a33c8b6d6b1d95cee5b848c87ef1f441073dc4245db5b15e6c", kill_on_drop: false }`
[INFO] [stdout] 8b8c16aa75b0d6a33c8b6d6b1d95cee5b848c87ef1f441073dc4245db5b15e6c