[INFO] cloning repository https://github.com/cs2dsb/concur-rtc.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cs2dsb/concur-rtc.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs2dsb%2Fconcur-rtc.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs2dsb%2Fconcur-rtc.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3cffb35020d2d3c1a83d21a6ebd86ee8ab31a69
[INFO] checking cs2dsb/concur-rtc.rs against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs2dsb%2Fconcur-rtc.rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/cs2dsb/concur-rtc.rs
[INFO] finished tweaking git repo https://github.com/cs2dsb/concur-rtc.rs
[INFO] tweaked toml for git repo https://github.com/cs2dsb/concur-rtc.rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cs2dsb/concur-rtc.rs on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cs2dsb/concur-rtc.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_datetime v0.6.7
[INFO] [stderr]   Downloaded merge-streams v0.1.2
[INFO] [stderr]   Downloaded reconnecting-websocket v0.3.1
[INFO] [stderr]   Downloaded exponential-backoff v1.2.0
[INFO] [stderr]   Downloaded tracing-web v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6a2353e574051882cf1e58a1c8274131a46de7c7e8bcd6ec8ba7a64f723e55
[INFO] running `Command { std: "docker" "start" "-a" "fd6a2353e574051882cf1e58a1c8274131a46de7c7e8bcd6ec8ba7a64f723e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6a2353e574051882cf1e58a1c8274131a46de7c7e8bcd6ec8ba7a64f723e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6a2353e574051882cf1e58a1c8274131a46de7c7e8bcd6ec8ba7a64f723e55", kill_on_drop: false }`
[INFO] [stdout] fd6a2353e574051882cf1e58a1c8274131a46de7c7e8bcd6ec8ba7a64f723e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd355334ea7ace5e3e07314dfd6b909d288c93938d5b8cfa5e9b4e6473f37b4d
[INFO] running `Command { std: "docker" "start" "-a" "bd355334ea7ace5e3e07314dfd6b909d288c93938d5b8cfa5e9b4e6473f37b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling toml_datetime v0.6.7
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking merge-streams v0.1.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking pinned v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking exponential-backoff v1.2.0
[INFO] [stderr]    Compiling gloo-worker-macros v0.1.0
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking gloo-timers v0.3.0
[INFO] [stderr]     Checking gloo-utils v0.2.0
[INFO] [stderr]     Checking gloo-events v0.2.0
[INFO] [stderr]     Checking tracing-web v0.1.3
[INFO] [stderr]     Checking gloo-worker v0.5.0
[INFO] [stderr]     Checking gloo-net v0.5.0
[INFO] [stderr]     Checking gloo-file v0.3.0
[INFO] [stderr]     Checking gloo v0.11.0
[INFO] [stderr]     Checking reconnecting-websocket v0.3.1
[INFO] [stderr]     Checking concur-rtc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.19s
[INFO] running `Command { std: "docker" "inspect" "bd355334ea7ace5e3e07314dfd6b909d288c93938d5b8cfa5e9b4e6473f37b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd355334ea7ace5e3e07314dfd6b909d288c93938d5b8cfa5e9b4e6473f37b4d", kill_on_drop: false }`
[INFO] [stdout] bd355334ea7ace5e3e07314dfd6b909d288c93938d5b8cfa5e9b4e6473f37b4d