[INFO] cloning repository https://github.com/irrustible/tingle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/irrustible/tingle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firrustible%2Ftingle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firrustible%2Ftingle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd500b1a81613af6f08968a01e42d07c26b3e55c
[INFO] checking irrustible/tingle against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firrustible%2Ftingle" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irrustible/tingle on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irrustible/tingle
[INFO] finished tweaking git repo https://github.com/irrustible/tingle
[INFO] tweaked toml for git repo https://github.com/irrustible/tingle written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/irrustible/tingle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded waker-fn v1.0.0
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] [stderr]   Downloaded futures-lite v0.1.10
[INFO] [stderr]   Downloaded fastrand v1.3.4
[INFO] [stderr]   Downloaded maybe-unwind v0.3.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.1
[INFO] [stderr]   Downloaded waker-queue v0.1.0
[INFO] [stderr]   Downloaded futures-micro v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4350a108a2783462e26e0de89e08cb8553bf53cfd4a61dd0899023c87198e2b1
[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" "4350a108a2783462e26e0de89e08cb8553bf53cfd4a61dd0899023c87198e2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4350a108a2783462e26e0de89e08cb8553bf53cfd4a61dd0899023c87198e2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4350a108a2783462e26e0de89e08cb8553bf53cfd4a61dd0899023c87198e2b1", kill_on_drop: false }`
[INFO] [stdout] 4350a108a2783462e26e0de89e08cb8553bf53cfd4a61dd0899023c87198e2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13d8ddc8ad05b34e8fb33f309d8b25cdd7771b84f9d99cb2d9c7f28d5003375c
[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" "13d8ddc8ad05b34e8fb33f309d8b25cdd7771b84f9d99cb2d9c7f28d5003375c", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-unwind v0.3.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking futures-micro v0.2.0
[INFO] [stderr]     Checking concurrent-queue v1.2.1
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking waker-queue v0.1.0
[INFO] [stderr]     Checking async-backplane v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "13d8ddc8ad05b34e8fb33f309d8b25cdd7771b84f9d99cb2d9c7f28d5003375c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d8ddc8ad05b34e8fb33f309d8b25cdd7771b84f9d99cb2d9c7f28d5003375c", kill_on_drop: false }`
[INFO] [stdout] 13d8ddc8ad05b34e8fb33f309d8b25cdd7771b84f9d99cb2d9c7f28d5003375c