[INFO] cloning repository https://github.com/uandere/serde_cadence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uandere/serde_cadence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuandere%2Fserde_cadence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuandere%2Fserde_cadence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba08efa55c7ed0994aaa03d268d42cc9d5f05c30
[INFO] checking uandere/serde_cadence against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuandere%2Fserde_cadence" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uandere/serde_cadence
[INFO] finished tweaking git repo https://github.com/uandere/serde_cadence
[INFO] tweaked toml for git repo https://github.com/uandere/serde_cadence written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uandere/serde_cadence on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uandere/serde_cadence 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ce770021d0e15c8b4845c495854d6ab996c9e8183bcd5b207beb1872fbb568c
[INFO] running `Command { std: "docker" "start" "-a" "5ce770021d0e15c8b4845c495854d6ab996c9e8183bcd5b207beb1872fbb568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce770021d0e15c8b4845c495854d6ab996c9e8183bcd5b207beb1872fbb568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce770021d0e15c8b4845c495854d6ab996c9e8183bcd5b207beb1872fbb568c", kill_on_drop: false }`
[INFO] [stdout] 5ce770021d0e15c8b4845c495854d6ab996c9e8183bcd5b207beb1872fbb568c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72893fc495dc98932983b7294ca74bc737ba8c9f89f4b0a5538e86039de231be
[INFO] running `Command { std: "docker" "start" "-a" "72893fc495dc98932983b7294ca74bc737ba8c9f89f4b0a5538e86039de231be", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]     Checking proc-macro2 v1.0.94
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking cadence_json_derive v0.1.0 (/opt/rustwide/workdir/cadence_json_derive)
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_cadence v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "72893fc495dc98932983b7294ca74bc737ba8c9f89f4b0a5538e86039de231be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72893fc495dc98932983b7294ca74bc737ba8c9f89f4b0a5538e86039de231be", kill_on_drop: false }`
[INFO] [stdout] 72893fc495dc98932983b7294ca74bc737ba8c9f89f4b0a5538e86039de231be