[INFO] cloning repository https://github.com/snarkyboojum/sha_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snarkyboojum/sha_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnarkyboojum%2Fsha_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnarkyboojum%2Fsha_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a968e0dd9a7c86f3784bec5689ef8b94de01347f
[INFO] checking snarkyboojum/sha_hash against master#5431404b87967c69438ea1e698edbe96505f0798 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnarkyboojum%2Fsha_hash" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snarkyboojum/sha_hash on toolchain 5431404b87967c69438ea1e698edbe96505f0798
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5431404b87967c69438ea1e698edbe96505f0798" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snarkyboojum/sha_hash
[INFO] finished tweaking git repo https://github.com/snarkyboojum/sha_hash
[INFO] tweaked toml for git repo https://github.com/snarkyboojum/sha_hash written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/snarkyboojum/sha_hash 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" "+5431404b87967c69438ea1e698edbe96505f0798" "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 snarkyboojum/sha_hash against try#21bc403d557a2516df70ea80fb19b94177beede5 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnarkyboojum%2Fsha_hash" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snarkyboojum/sha_hash on toolchain 21bc403d557a2516df70ea80fb19b94177beede5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snarkyboojum/sha_hash
[INFO] finished tweaking git repo https://github.com/snarkyboojum/sha_hash
[INFO] tweaked toml for git repo https://github.com/snarkyboojum/sha_hash written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/snarkyboojum/sha_hash 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" "+21bc403d557a2516df70ea80fb19b94177beede5" "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
[INFO] checking snarkyboojum/sha_hash against try#21bc403d557a2516df70ea80fb19b94177beede5 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnarkyboojum%2Fsha_hash" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snarkyboojum/sha_hash on toolchain 21bc403d557a2516df70ea80fb19b94177beede5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snarkyboojum/sha_hash
[INFO] finished tweaking git repo https://github.com/snarkyboojum/sha_hash
[INFO] tweaked toml for git repo https://github.com/snarkyboojum/sha_hash written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/snarkyboojum/sha_hash 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" "+21bc403d557a2516df70ea80fb19b94177beede5" "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 bstr v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b81742ba8ca8ccae785bdf8b4908afc868039544e7641df42a534600301913d
[INFO] running `Command { std: "docker" "start" "-a" "8b81742ba8ca8ccae785bdf8b4908afc868039544e7641df42a534600301913d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b81742ba8ca8ccae785bdf8b4908afc868039544e7641df42a534600301913d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b81742ba8ca8ccae785bdf8b4908afc868039544e7641df42a534600301913d", kill_on_drop: false }`
[INFO] [stdout] 8b81742ba8ca8ccae785bdf8b4908afc868039544e7641df42a534600301913d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+21bc403d557a2516df70ea80fb19b94177beede5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b1ad3cc63e8fa1cd3eae41d8dbb0028786cc4ecfd4ad86b7d889f9efec2a328
[INFO] running `Command { std: "docker" "start" "-a" "3b1ad3cc63e8fa1cd3eae41d8dbb0028786cc4ecfd4ad86b7d889f9efec2a328", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking sha_hash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[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" "3b1ad3cc63e8fa1cd3eae41d8dbb0028786cc4ecfd4ad86b7d889f9efec2a328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1ad3cc63e8fa1cd3eae41d8dbb0028786cc4ecfd4ad86b7d889f9efec2a328", kill_on_drop: false }`
[INFO] [stdout] 3b1ad3cc63e8fa1cd3eae41d8dbb0028786cc4ecfd4ad86b7d889f9efec2a328