[INFO] cloning repository https://github.com/yuchunzhou/v2ex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuchunzhou/v2ex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fv2ex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fv2ex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 573e1e8f3ef1688818d07d094b2e48be852c72e5
[INFO] checking yuchunzhou/v2ex against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fv2ex" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuchunzhou/v2ex on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuchunzhou/v2ex
[INFO] finished tweaking git repo https://github.com/yuchunzhou/v2ex
[INFO] tweaked toml for git repo https://github.com/yuchunzhou/v2ex written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f07f80264825c2f2ee94033521a766e5d81e75dc24f2a4f8b7d7aff04ac4cb4
[INFO] running `Command { std: "docker" "start" "-a" "1f07f80264825c2f2ee94033521a766e5d81e75dc24f2a4f8b7d7aff04ac4cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f07f80264825c2f2ee94033521a766e5d81e75dc24f2a4f8b7d7aff04ac4cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f07f80264825c2f2ee94033521a766e5d81e75dc24f2a4f8b7d7aff04ac4cb4", kill_on_drop: false }`
[INFO] [stdout] 1f07f80264825c2f2ee94033521a766e5d81e75dc24f2a4f8b7d7aff04ac4cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e382bbcda273657d93f7d583a9badc1701a108da9a49f14305c66053a7cca1
[INFO] running `Command { std: "docker" "start" "-a" "89e382bbcda273657d93f7d583a9badc1701a108da9a49f14305c66053a7cca1", 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]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling isahc v1.4.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking sluice v0.5.4
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking v2ex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.03s
[INFO] running `Command { std: "docker" "inspect" "89e382bbcda273657d93f7d583a9badc1701a108da9a49f14305c66053a7cca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e382bbcda273657d93f7d583a9badc1701a108da9a49f14305c66053a7cca1", kill_on_drop: false }`
[INFO] [stdout] 89e382bbcda273657d93f7d583a9badc1701a108da9a49f14305c66053a7cca1