[INFO] cloning repository https://github.com/ryanshow/rustserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanshow/rustserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshow%2Frustserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshow%2Frustserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd806ab2fe4df7f99de7df376861c4a6f465e972
[INFO] checking ryanshow/rustserver against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshow%2Frustserver" "/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/ryanshow/rustserver on toolchain d97bb195bf7b84815622b235cb51171c1b8f7e51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanshow/rustserver
[INFO] finished tweaking git repo https://github.com/ryanshow/rustserver
[INFO] tweaked toml for git repo https://github.com/ryanshow/rustserver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanshow/rustserver 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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "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 ryanshow/rustserver against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshow%2Frustserver" "/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/ryanshow/rustserver on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanshow/rustserver
[INFO] finished tweaking git repo https://github.com/ryanshow/rustserver
[INFO] tweaked toml for git repo https://github.com/ryanshow/rustserver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanshow/rustserver 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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 ryanshow/rustserver against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshow%2Frustserver" "/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/ryanshow/rustserver on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanshow/rustserver
[INFO] finished tweaking git repo https://github.com/ryanshow/rustserver
[INFO] tweaked toml for git repo https://github.com/ryanshow/rustserver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanshow/rustserver 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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 regex_macros v0.1.12
[INFO] [stderr]   Downloaded regex v0.1.20
[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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e0a0feff7b513870b6ea2e83ce07ff432124807a8175b75d227e233146496e
[INFO] running `Command { std: "docker" "start" "-a" "49e0a0feff7b513870b6ea2e83ce07ff432124807a8175b75d227e233146496e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e0a0feff7b513870b6ea2e83ce07ff432124807a8175b75d227e233146496e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e0a0feff7b513870b6ea2e83ce07ff432124807a8175b75d227e233146496e", kill_on_drop: false }`
[INFO] [stdout] 49e0a0feff7b513870b6ea2e83ce07ff432124807a8175b75d227e233146496e
[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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85592d273a8de1e6743df2701b78377cfb14c85f1d888a02d558b3a8b2c65076
[INFO] running `Command { std: "docker" "start" "-a" "85592d273a8de1e6743df2701b78377cfb14c85f1d888a02d558b3a8b2c65076", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.1.20
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::{IntoCow, Cow};
[INFO] [stdout]    |                   ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::{IntoCow, Cow};
[INFO] [stdout]    |                   ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::str::SearchStep`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::str::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                                   ^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   no `SearchStep` in `str`
[INFO] [stdout]    |                                   help: a similar name exists in the module: `Searcher`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this enum instead:
[INFO] [stdout]            std::str::pattern::SearchStep
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::str::SearchStep`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::str::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                                   ^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   no `SearchStep` in `str`
[INFO] [stdout]    |                                   help: a similar name exists in the module: `Searcher`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this enum instead:
[INFO] [stdout]            std::str::pattern::SearchStep
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str_radix` in module `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/parse.rs:681:20
[INFO] [stdout]     |
[INFO] [stdout] 681 |         match num::from_str_radix::<u32>(&s, 8) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str_radix` in module `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/parse.rs:681:20
[INFO] [stdout]     |
[INFO] [stdout] 681 |         match num::from_str_radix::<u32>(&s, 8) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str_radix` in module `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/parse.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |         match num::from_str_radix::<u32>(s, 16) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str_radix` in module `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/parse.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |         match num::from_str_radix::<u32>(s, 16) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `Pattern` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::str::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                ^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `Pattern` is defined here
[INFO] [stdout]   --> /rustc/1930f260edd7e614aa013a0665aa5cfd0ada0501/library/alloc/src/str.rs:14:47
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `Pattern` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::str::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                ^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `Pattern` is defined here
[INFO] [stdout]   --> /rustc/1930f260edd7e614aa013a0665aa5cfd0ada0501/library/alloc/src/str.rs:14:47
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `Searcher` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::str::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                         ^^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `Searcher` is defined here
[INFO] [stdout]   --> /rustc/1930f260edd7e614aa013a0665aa5cfd0ada0501/library/alloc/src/str.rs:14:73
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `Searcher` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.20/src/re.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::str::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                         ^^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `Searcher` is defined here
[INFO] [stdout]   --> /rustc/1930f260edd7e614aa013a0665aa5cfd0ada0501/library/alloc/src/str.rs:14:73
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "85592d273a8de1e6743df2701b78377cfb14c85f1d888a02d558b3a8b2c65076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85592d273a8de1e6743df2701b78377cfb14c85f1d888a02d558b3a8b2c65076", kill_on_drop: false }`
[INFO] [stdout] 85592d273a8de1e6743df2701b78377cfb14c85f1d888a02d558b3a8b2c65076