[INFO] cloning repository https://github.com/meganehouser/rustmatrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meganehouser/rustmatrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7139dacee7355bac8fd47b6612ec4401ee08ba05
[INFO] checking meganehouser/rustmatrix against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meganehouser/rustmatrix on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meganehouser/rustmatrix
[INFO] finished tweaking git repo https://github.com/meganehouser/rustmatrix
[INFO] tweaked toml for git repo https://github.com/meganehouser/rustmatrix written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/meganehouser/rustmatrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.10.1
[INFO] [stderr]   Downloaded darling_core v0.10.1
[INFO] [stderr]   Downloaded darling v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388b1ce7a61bac05d7a5ae1e74da874e3f23aeef8aa715d8acc1587b26a4bf73
[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" "388b1ce7a61bac05d7a5ae1e74da874e3f23aeef8aa715d8acc1587b26a4bf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388b1ce7a61bac05d7a5ae1e74da874e3f23aeef8aa715d8acc1587b26a4bf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388b1ce7a61bac05d7a5ae1e74da874e3f23aeef8aa715d8acc1587b26a4bf73", kill_on_drop: false }`
[INFO] [stdout] 388b1ce7a61bac05d7a5ae1e74da874e3f23aeef8aa715d8acc1587b26a4bf73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a6fdc13638d55a8b75a1b704dda330c7de1d404829f416821983f54f12bcf5
[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" "95a6fdc13638d55a8b75a1b704dda330c7de1d404829f416821983f54f12bcf5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling darling_core v0.10.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking enum-map v0.6.1
[INFO] [stderr]    Compiling darling_macro v0.10.1
[INFO] [stderr]    Compiling darling v0.10.1
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking cursive v0.13.0
[INFO] [stderr]     Checking rustmatrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.94s
[INFO] running `Command { std: "docker" "inspect" "95a6fdc13638d55a8b75a1b704dda330c7de1d404829f416821983f54f12bcf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a6fdc13638d55a8b75a1b704dda330c7de1d404829f416821983f54f12bcf5", kill_on_drop: false }`
[INFO] [stdout] 95a6fdc13638d55a8b75a1b704dda330c7de1d404829f416821983f54f12bcf5