[INFO] fetching crate riddle 0.0.1...
[INFO] checking riddle-0.0.1 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate riddle 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate riddle 0.0.1 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riddle 0.0.1
[INFO] finished tweaking crates.io crate riddle 0.0.1
[INFO] tweaked toml for crates.io crate riddle 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate riddle 0.0.1 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-metadata v0.44.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7271152aed56e2418dfa646cf32f10b661d3228a7aaaee3f390825a28ea1e66d
[INFO] running `Command { std: "docker" "start" "-a" "7271152aed56e2418dfa646cf32f10b661d3228a7aaaee3f390825a28ea1e66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7271152aed56e2418dfa646cf32f10b661d3228a7aaaee3f390825a28ea1e66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7271152aed56e2418dfa646cf32f10b661d3228a7aaaee3f390825a28ea1e66d", kill_on_drop: false }`
[INFO] [stdout] 7271152aed56e2418dfa646cf32f10b661d3228a7aaaee3f390825a28ea1e66d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eba5d82d26a93d7079d65de9a4beaeaeb631c78e4f546a766b73921c8b8d3b4
[INFO] running `Command { std: "docker" "start" "-a" "3eba5d82d26a93d7079d65de9a4beaeaeb631c78e4f546a766b73921c8b8d3b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking windows-metadata v0.44.0
[INFO] [stderr]     Checking riddle v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "3eba5d82d26a93d7079d65de9a4beaeaeb631c78e4f546a766b73921c8b8d3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eba5d82d26a93d7079d65de9a4beaeaeb631c78e4f546a766b73921c8b8d3b4", kill_on_drop: false }`
[INFO] [stdout] 3eba5d82d26a93d7079d65de9a4beaeaeb631c78e4f546a766b73921c8b8d3b4