[INFO] cloning repository https://github.com/Yoeori/async-oncecell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yoeori/async-oncecell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoeori%2Fasync-oncecell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoeori%2Fasync-oncecell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e5e49f033079818535dc91cce45c9607b9893ae
[INFO] checking Yoeori/async-oncecell against master#24606deaf48e56f604a6125fa11fb9f70cf4f1f4 for pr-105085
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoeori%2Fasync-oncecell" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yoeori/async-oncecell on toolchain 24606deaf48e56f604a6125fa11fb9f70cf4f1f4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yoeori/async-oncecell
[INFO] finished tweaking git repo https://github.com/Yoeori/async-oncecell
[INFO] tweaked toml for git repo https://github.com/Yoeori/async-oncecell written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Yoeori/async-oncecell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96f86d4b03c8daf4d25c387906fb9ac700dee75a52d4543a4a677482c30b5245
[INFO] running `Command { std: "docker" "start" "-a" "96f86d4b03c8daf4d25c387906fb9ac700dee75a52d4543a4a677482c30b5245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f86d4b03c8daf4d25c387906fb9ac700dee75a52d4543a4a677482c30b5245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f86d4b03c8daf4d25c387906fb9ac700dee75a52d4543a4a677482c30b5245", kill_on_drop: false }`
[INFO] [stdout] 96f86d4b03c8daf4d25c387906fb9ac700dee75a52d4543a4a677482c30b5245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14126bcae47950034dc47764c9c8c1c33299564a4ba7cc57d50e35b183d8c9dc
[INFO] running `Command { std: "docker" "start" "-a" "14126bcae47950034dc47764c9c8c1c33299564a4ba7cc57d50e35b183d8c9dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking tokio-test v0.4.1
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking async-oncecell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `Command { std: "docker" "inspect" "14126bcae47950034dc47764c9c8c1c33299564a4ba7cc57d50e35b183d8c9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14126bcae47950034dc47764c9c8c1c33299564a4ba7cc57d50e35b183d8c9dc", kill_on_drop: false }`
[INFO] [stdout] 14126bcae47950034dc47764c9c8c1c33299564a4ba7cc57d50e35b183d8c9dc