[INFO] cloning repository https://github.com/jasonrm/mdbook-nix-eval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jasonrm/mdbook-nix-eval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonrm%2Fmdbook-nix-eval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonrm%2Fmdbook-nix-eval'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ccbd127ded71482fc4c345dd9fc0d00c2beb388
[INFO] testing jasonrm/mdbook-nix-eval against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonrm%2Fmdbook-nix-eval" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jasonrm/mdbook-nix-eval on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jasonrm/mdbook-nix-eval
[INFO] finished tweaking git repo https://github.com/jasonrm/mdbook-nix-eval
[INFO] tweaked toml for git repo https://github.com/jasonrm/mdbook-nix-eval written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/jasonrm/mdbook-nix-eval already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de747f27f3992072263019ddfee9af4c6142ac8cf32301275527d3753eeb89c3
[INFO] running `Command { std: "docker" "start" "-a" "de747f27f3992072263019ddfee9af4c6142ac8cf32301275527d3753eeb89c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de747f27f3992072263019ddfee9af4c6142ac8cf32301275527d3753eeb89c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de747f27f3992072263019ddfee9af4c6142ac8cf32301275527d3753eeb89c3", kill_on_drop: false }`
[INFO] [stdout] de747f27f3992072263019ddfee9af4c6142ac8cf32301275527d3753eeb89c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1414fac9f441a5833e3a5ef5394849a791a6284801351d4697061b31b4bb3736
[INFO] running `Command { std: "docker" "start" "-a" "1414fac9f441a5833e3a5ef5394849a791a6284801351d4697061b31b4bb3736", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling gitignore v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.2.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=43140c1a5c224cfb -C extra-filename=-43140c1a5c224cfb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5cd672cac86e9454.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-bb690c336855f248.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-233da835b39c05ce.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1414fac9f441a5833e3a5ef5394849a791a6284801351d4697061b31b4bb3736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1414fac9f441a5833e3a5ef5394849a791a6284801351d4697061b31b4bb3736", kill_on_drop: false }`
[INFO] [stdout] 1414fac9f441a5833e3a5ef5394849a791a6284801351d4697061b31b4bb3736