[INFO] cloning repository https://github.com/don-smith/rusty-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/don-smith/rusty-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdon-smith%2Frusty-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdon-smith%2Frusty-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 602b48e13ddad846d65ff2c4fa790764af44cd8e
[INFO] checking don-smith/rusty-chain against master#27d8a577138c0d319a572cd1a464c2b755e577de for pr-118882
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdon-smith%2Frusty-chain" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/don-smith/rusty-chain on toolchain 27d8a577138c0d319a572cd1a464c2b755e577de
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+27d8a577138c0d319a572cd1a464c2b755e577de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/don-smith/rusty-chain
[INFO] finished tweaking git repo https://github.com/don-smith/rusty-chain
[INFO] tweaked toml for git repo https://github.com/don-smith/rusty-chain written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/don-smith/rusty-chain 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" "+27d8a577138c0d319a572cd1a464c2b755e577de" "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
[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 don-smith/rusty-chain against try#8bdbfd41bed26c4938a9f14bd20556eac1de8437 for pr-118882
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdon-smith%2Frusty-chain" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/don-smith/rusty-chain on toolchain 8bdbfd41bed26c4938a9f14bd20556eac1de8437
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/don-smith/rusty-chain
[INFO] finished tweaking git repo https://github.com/don-smith/rusty-chain
[INFO] tweaked toml for git repo https://github.com/don-smith/rusty-chain written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/don-smith/rusty-chain 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" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "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 bitflags v1.0.2
[INFO] [stderr]   Downloaded time v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc530f86fd6763fd95b9227e4b8941324dc1f24e9162273e037cc45e7428e66c
[INFO] running `Command { std: "docker" "start" "-a" "fc530f86fd6763fd95b9227e4b8941324dc1f24e9162273e037cc45e7428e66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc530f86fd6763fd95b9227e4b8941324dc1f24e9162273e037cc45e7428e66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc530f86fd6763fd95b9227e4b8941324dc1f24e9162273e037cc45e7428e66c", kill_on_drop: false }`
[INFO] [stdout] fc530f86fd6763fd95b9227e4b8941324dc1f24e9162273e037cc45e7428e66c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2ee65bc6f3e95cd0bfb32d06202734b0b405ff1df3b8e0f698253d32b35680
[INFO] running `Command { std: "docker" "start" "-a" "cf2ee65bc6f3e95cd0bfb32d06202734b0b405ff1df3b8e0f698253d32b35680", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking time v0.2.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking rusty-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cf2ee65bc6f3e95cd0bfb32d06202734b0b405ff1df3b8e0f698253d32b35680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2ee65bc6f3e95cd0bfb32d06202734b0b405ff1df3b8e0f698253d32b35680", kill_on_drop: false }`
[INFO] [stdout] cf2ee65bc6f3e95cd0bfb32d06202734b0b405ff1df3b8e0f698253d32b35680