[INFO] cloning repository https://github.com/kvinwang/tailf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kvinwang/tailf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvinwang%2Ftailf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvinwang%2Ftailf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50e255e83213979a30d5428290936373514a8419
[INFO] checking kvinwang/tailf against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvinwang%2Ftailf" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kvinwang/tailf
[INFO] finished tweaking git repo https://github.com/kvinwang/tailf
[INFO] tweaked toml for git repo https://github.com/kvinwang/tailf written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kvinwang/tailf on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kvinwang/tailf 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" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking kvinwang/tailf against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvinwang%2Ftailf" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kvinwang/tailf
[INFO] finished tweaking git repo https://github.com/kvinwang/tailf
[INFO] tweaked toml for git repo https://github.com/kvinwang/tailf written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kvinwang/tailf on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kvinwang/tailf 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" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "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 bon v3.0.1
[INFO] [stderr]   Downloaded bon-macros v3.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00777485a0b1d8243dfffd0cd4e8779109bbde94bd9809b1f1b2cca8f3b6f37d
[INFO] running `Command { std: "docker" "start" "-a" "00777485a0b1d8243dfffd0cd4e8779109bbde94bd9809b1f1b2cca8f3b6f37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00777485a0b1d8243dfffd0cd4e8779109bbde94bd9809b1f1b2cca8f3b6f37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00777485a0b1d8243dfffd0cd4e8779109bbde94bd9809b1f1b2cca8f3b6f37d", kill_on_drop: false }`
[INFO] [stdout] 00777485a0b1d8243dfffd0cd4e8779109bbde94bd9809b1f1b2cca8f3b6f37d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51ad38075b5789f48902105b0d49a4b98772c933a304c09b2b8d759506dedb63
[INFO] running `Command { std: "docker" "start" "-a" "51ad38075b5789f48902105b0d49a4b98772c933a304c09b2b8d759506dedb63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling bon-macros v3.0.1
[INFO] [stderr]     Checking bon v3.0.1
[INFO] [stderr]     Checking tailf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "51ad38075b5789f48902105b0d49a4b98772c933a304c09b2b8d759506dedb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ad38075b5789f48902105b0d49a4b98772c933a304c09b2b8d759506dedb63", kill_on_drop: false }`
[INFO] [stdout] 51ad38075b5789f48902105b0d49a4b98772c933a304c09b2b8d759506dedb63