[INFO] cloning repository https://github.com/romulocollopy/rec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romulocollopy/rec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromulocollopy%2Frec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromulocollopy%2Frec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 175c70483265065470be1975070757cd4c6e86d8
[INFO] checking romulocollopy/rec against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromulocollopy%2Frec" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romulocollopy/rec on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romulocollopy/rec
[INFO] finished tweaking git repo https://github.com/romulocollopy/rec
[INFO] tweaked toml for git repo https://github.com/romulocollopy/rec written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/romulocollopy/rec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v1.5.4
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] [stderr]   Downloaded fetch_unroll v0.2.2
[INFO] [stderr]   Downloaded jack-sys v0.2.1
[INFO] [stderr]   Downloaded standback v0.2.13
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.8
[INFO] [stderr]   Downloaded cpal v0.13.1
[INFO] [stderr]   Downloaded combine v4.5.1
[INFO] [stderr]   Downloaded jack v0.6.5
[INFO] [stderr]   Downloaded oboe v0.3.1
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54d127d2360f4d303f0a7457f179049f5bdf876aeac96f12c8f376a8e5291f01
[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" "54d127d2360f4d303f0a7457f179049f5bdf876aeac96f12c8f376a8e5291f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54d127d2360f4d303f0a7457f179049f5bdf876aeac96f12c8f376a8e5291f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d127d2360f4d303f0a7457f179049f5bdf876aeac96f12c8f376a8e5291f01", kill_on_drop: false }`
[INFO] [stdout] 54d127d2360f4d303f0a7457f179049f5bdf876aeac96f12c8f376a8e5291f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47713275f097c4d8979a461b516c8718d2c45782ca3b57583ada01fb18f924f9
[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" "47713275f097c4d8979a461b516c8718d2c45782ca3b57583ada01fb18f924f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking jack-sys v0.2.1
[INFO] [stderr]     Checking jack v0.6.5
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking rec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.07s
[INFO] running `Command { std: "docker" "inspect" "47713275f097c4d8979a461b516c8718d2c45782ca3b57583ada01fb18f924f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47713275f097c4d8979a461b516c8718d2c45782ca3b57583ada01fb18f924f9", kill_on_drop: false }`
[INFO] [stdout] 47713275f097c4d8979a461b516c8718d2c45782ca3b57583ada01fb18f924f9