[INFO] cloning repository https://github.com/owen-d/synchro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/owen-d/synchro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowen-d%2Fsynchro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowen-d%2Fsynchro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57b5a91ac5f1dafc67bab223fa293936f832aae3
[INFO] checking owen-d/synchro against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowen-d%2Fsynchro" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/owen-d/synchro on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/owen-d/synchro
[INFO] finished tweaking git repo https://github.com/owen-d/synchro
[INFO] tweaked toml for git repo https://github.com/owen-d/synchro written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/owen-d/synchro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "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 strsim v0.5.2
[INFO] [stderr]   Downloaded clap v2.19.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb9f7b0bd15fd4e5b854cbf41ebcc611f518d8fdacdd2992e404ab90edc60e7e
[INFO] running `Command { std: "docker" "start" "-a" "cb9f7b0bd15fd4e5b854cbf41ebcc611f518d8fdacdd2992e404ab90edc60e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb9f7b0bd15fd4e5b854cbf41ebcc611f518d8fdacdd2992e404ab90edc60e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9f7b0bd15fd4e5b854cbf41ebcc611f518d8fdacdd2992e404ab90edc60e7e", kill_on_drop: false }`
[INFO] [stdout] cb9f7b0bd15fd4e5b854cbf41ebcc611f518d8fdacdd2992e404ab90edc60e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98dc9584c83f9cbdf9440840f6f21b7c19f06cb63b54fce24b6bd4a744417eb0
[INFO] running `Command { std: "docker" "start" "-a" "98dc9584c83f9cbdf9440840f6f21b7c19f06cb63b54fce24b6bd4a744417eb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking synchro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "98dc9584c83f9cbdf9440840f6f21b7c19f06cb63b54fce24b6bd4a744417eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dc9584c83f9cbdf9440840f6f21b7c19f06cb63b54fce24b6bd4a744417eb0", kill_on_drop: false }`
[INFO] [stdout] 98dc9584c83f9cbdf9440840f6f21b7c19f06cb63b54fce24b6bd4a744417eb0