[INFO] fetching crate serde-enum-str 0.4.0...
[INFO] checking serde-enum-str-0.4.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate serde-enum-str 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate serde-enum-str 0.4.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-enum-str 0.4.0
[INFO] finished tweaking crates.io crate serde-enum-str 0.4.0
[INFO] tweaked toml for crates.io crate serde-enum-str 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 137713d9188e1ad058c0e75c863bfda613178d57277345c2d1d928ec758a3ee3
[INFO] running `Command { std: "docker" "start" "-a" "137713d9188e1ad058c0e75c863bfda613178d57277345c2d1d928ec758a3ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "137713d9188e1ad058c0e75c863bfda613178d57277345c2d1d928ec758a3ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137713d9188e1ad058c0e75c863bfda613178d57277345c2d1d928ec758a3ee3", kill_on_drop: false }`
[INFO] [stdout] 137713d9188e1ad058c0e75c863bfda613178d57277345c2d1d928ec758a3ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afcc3416335d5229ae6abb63893f98a7d03ee07a0464be44e6f7606c2ebcc206
[INFO] running `Command { std: "docker" "start" "-a" "afcc3416335d5229ae6abb63893f98a7d03ee07a0464be44e6f7606c2ebcc206", kill_on_drop: false }`
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking serde-rename-rule v0.2.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking serde-attributes v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]    Compiling serde-enum-str v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `Command { std: "docker" "inspect" "afcc3416335d5229ae6abb63893f98a7d03ee07a0464be44e6f7606c2ebcc206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcc3416335d5229ae6abb63893f98a7d03ee07a0464be44e6f7606c2ebcc206", kill_on_drop: false }`
[INFO] [stdout] afcc3416335d5229ae6abb63893f98a7d03ee07a0464be44e6f7606c2ebcc206
[INFO] checking serde-enum-str-0.4.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate serde-enum-str 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate serde-enum-str 0.4.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-enum-str 0.4.0
[INFO] finished tweaking crates.io crate serde-enum-str 0.4.0
[INFO] tweaked toml for crates.io crate serde-enum-str 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39b79ce7bff6ed298d1f02e8abf4b9270de0aa388fa78a951b4551665ac4da2
[INFO] running `Command { std: "docker" "start" "-a" "f39b79ce7bff6ed298d1f02e8abf4b9270de0aa388fa78a951b4551665ac4da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39b79ce7bff6ed298d1f02e8abf4b9270de0aa388fa78a951b4551665ac4da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39b79ce7bff6ed298d1f02e8abf4b9270de0aa388fa78a951b4551665ac4da2", kill_on_drop: false }`
[INFO] [stdout] f39b79ce7bff6ed298d1f02e8abf4b9270de0aa388fa78a951b4551665ac4da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e4c293dea0d220a9073d35dfd547e6a4e6d45f34bb6d8da02e4040bb840c6d0
[INFO] running `Command { std: "docker" "start" "-a" "6e4c293dea0d220a9073d35dfd547e6a4e6d45f34bb6d8da02e4040bb840c6d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking serde-rename-rule v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking serde-attributes v0.2.1
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]     Checking serde-enum-str v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "6e4c293dea0d220a9073d35dfd547e6a4e6d45f34bb6d8da02e4040bb840c6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4c293dea0d220a9073d35dfd547e6a4e6d45f34bb6d8da02e4040bb840c6d0", kill_on_drop: false }`
[INFO] [stdout] 6e4c293dea0d220a9073d35dfd547e6a4e6d45f34bb6d8da02e4040bb840c6d0