[INFO] fetching crate serde_scan 0.4.1...
[INFO] checking serde_scan-0.4.1 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate serde_scan 0.4.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate serde_scan 0.4.1 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_scan 0.4.1
[INFO] finished tweaking crates.io crate serde_scan 0.4.1
[INFO] tweaked toml for crates.io crate serde_scan 0.4.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate serde_scan 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded syn v0.15.21
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47fee0809e5fd42a2a1688b28a8443a3556ce5856258a8821684ddaa2b9ac3e5
[INFO] running `Command { std: "docker" "start" "-a" "47fee0809e5fd42a2a1688b28a8443a3556ce5856258a8821684ddaa2b9ac3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47fee0809e5fd42a2a1688b28a8443a3556ce5856258a8821684ddaa2b9ac3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fee0809e5fd42a2a1688b28a8443a3556ce5856258a8821684ddaa2b9ac3e5", kill_on_drop: false }`
[INFO] [stdout] 47fee0809e5fd42a2a1688b28a8443a3556ce5856258a8821684ddaa2b9ac3e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d98f13f4e9baa0cf831fb893ae22ad64fce7db6ea4492434d6717c1112ca4ad6
[INFO] running `Command { std: "docker" "start" "-a" "d98f13f4e9baa0cf831fb893ae22ad64fce7db6ea4492434d6717c1112ca4ad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking serde_scan v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.77s
[INFO] running `Command { std: "docker" "inspect" "d98f13f4e9baa0cf831fb893ae22ad64fce7db6ea4492434d6717c1112ca4ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98f13f4e9baa0cf831fb893ae22ad64fce7db6ea4492434d6717c1112ca4ad6", kill_on_drop: false }`
[INFO] [stdout] d98f13f4e9baa0cf831fb893ae22ad64fce7db6ea4492434d6717c1112ca4ad6