[INFO] fetching crate serde-detach 0.0.1...
[INFO] checking serde-detach-0.0.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate serde-detach 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde-detach 0.0.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-detach 0.0.1
[INFO] finished tweaking crates.io crate serde-detach 0.0.1
[INFO] tweaked toml for crates.io crate serde-detach 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dbb54c0adca0d5e97fa56295dba822a6754c2d5490b27028d54dfe687d6399d
[INFO] running `Command { std: "docker" "start" "-a" "4dbb54c0adca0d5e97fa56295dba822a6754c2d5490b27028d54dfe687d6399d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dbb54c0adca0d5e97fa56295dba822a6754c2d5490b27028d54dfe687d6399d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbb54c0adca0d5e97fa56295dba822a6754c2d5490b27028d54dfe687d6399d", kill_on_drop: false }`
[INFO] [stdout] 4dbb54c0adca0d5e97fa56295dba822a6754c2d5490b27028d54dfe687d6399d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b970d64d03b7cdc1ed985c347181a15e3e1ef98a4ec30cc26e8a5b48e0bec2d7
[INFO] running `Command { std: "docker" "start" "-a" "b970d64d03b7cdc1ed985c347181a15e3e1ef98a4ec30cc26e8a5b48e0bec2d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking gnaw v0.0.1
[INFO] [stderr]     Checking cervine v0.0.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking enum_properties v0.2.1
[INFO] [stderr]     Checking debugless-unwrap v0.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking smartstring v0.2.7
[INFO] [stderr]     Checking lazy-transform-str v0.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling try_match_inner v0.2.0
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking try_match v0.2.2
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking taml v0.0.1
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_taml v0.0.1
[INFO] [stderr]     Checking serde-object v0.0.0-alpha.0
[INFO] [stderr]     Checking serde-detach v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.09s
[INFO] running `Command { std: "docker" "inspect" "b970d64d03b7cdc1ed985c347181a15e3e1ef98a4ec30cc26e8a5b48e0bec2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b970d64d03b7cdc1ed985c347181a15e3e1ef98a4ec30cc26e8a5b48e0bec2d7", kill_on_drop: false }`
[INFO] [stdout] b970d64d03b7cdc1ed985c347181a15e3e1ef98a4ec30cc26e8a5b48e0bec2d7