[INFO] cloning repository https://github.com/Lyndeno/mathcord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lyndeno/mathcord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndeno%2Fmathcord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndeno%2Fmathcord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f79422914264e5c0d72d24ef9d77365464c31bf9
[INFO] checking Lyndeno/mathcord against master#1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492 for pr-118553-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndeno%2Fmathcord" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lyndeno/mathcord on toolchain 1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lyndeno/mathcord
[INFO] finished tweaking git repo https://github.com/Lyndeno/mathcord
[INFO] tweaked toml for git repo https://github.com/Lyndeno/mathcord written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Lyndeno/mathcord 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" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Lyndeno/mathcord against try#a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33 for pr-118553-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndeno%2Fmathcord" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lyndeno/mathcord on toolchain a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lyndeno/mathcord
[INFO] finished tweaking git repo https://github.com/Lyndeno/mathcord
[INFO] tweaked toml for git repo https://github.com/Lyndeno/mathcord written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lyndeno/mathcord 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" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "fetch" "--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 rustls v0.20.2
[INFO] [stderr]   Downloaded serenity v0.11.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48608b90ea7915b1011bd5aeb79badc702c781fc8e030c630a1341e905ccffe8
[INFO] running `Command { std: "docker" "start" "-a" "48608b90ea7915b1011bd5aeb79badc702c781fc8e030c630a1341e905ccffe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48608b90ea7915b1011bd5aeb79badc702c781fc8e030c630a1341e905ccffe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48608b90ea7915b1011bd5aeb79badc702c781fc8e030c630a1341e905ccffe8", kill_on_drop: false }`
[INFO] [stdout] 48608b90ea7915b1011bd5aeb79badc702c781fc8e030c630a1341e905ccffe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f6a141fcd4dccc26cb1bab958254ef28078903e9c8c9d590b1b0544cd4511e
[INFO] running `Command { std: "docker" "start" "-a" "93f6a141fcd4dccc26cb1bab958254ef28078903e9c8c9d590b1b0544cd4511e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking digest v0.10.5
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling serenity v0.11.5
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-rustls v0.23.2
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking time v0.3.15
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking mathcord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.84s
[INFO] running `Command { std: "docker" "inspect" "93f6a141fcd4dccc26cb1bab958254ef28078903e9c8c9d590b1b0544cd4511e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f6a141fcd4dccc26cb1bab958254ef28078903e9c8c9d590b1b0544cd4511e", kill_on_drop: false }`
[INFO] [stdout] 93f6a141fcd4dccc26cb1bab958254ef28078903e9c8c9d590b1b0544cd4511e