[INFO] fetching crate struct_mapping_derive 1.0.1...
[INFO] checking struct_mapping_derive-1.0.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate struct_mapping_derive 1.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate struct_mapping_derive 1.0.1 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 struct_mapping_derive 1.0.1
[INFO] finished tweaking crates.io crate struct_mapping_derive 1.0.1
[INFO] tweaked toml for crates.io crate struct_mapping_derive 1.0.1 written to /workspace/builds/worker-2-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 12 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 strsim v0.10.0 (latest: v0.11.1)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded struct_mapping v1.0.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e638599419320d1f7987e372fc7db3218811142a03df453fc42f511e17c73cfc
[INFO] running `Command { std: "docker" "start" "-a" "e638599419320d1f7987e372fc7db3218811142a03df453fc42f511e17c73cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e638599419320d1f7987e372fc7db3218811142a03df453fc42f511e17c73cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e638599419320d1f7987e372fc7db3218811142a03df453fc42f511e17c73cfc", kill_on_drop: false }`
[INFO] [stdout] e638599419320d1f7987e372fc7db3218811142a03df453fc42f511e17c73cfc
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33ffec34cf026252d97cb9c9b2d5d01a710256330e1579a9e40ad597f861b80b
[INFO] running `Command { std: "docker" "start" "-a" "33ffec34cf026252d97cb9c9b2d5d01a710256330e1579a9e40ad597f861b80b", kill_on_drop: false }`
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking struct_mapping v1.0.1
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]     Checking struct_mapping_derive v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "33ffec34cf026252d97cb9c9b2d5d01a710256330e1579a9e40ad597f861b80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ffec34cf026252d97cb9c9b2d5d01a710256330e1579a9e40ad597f861b80b", kill_on_drop: false }`
[INFO] [stdout] 33ffec34cf026252d97cb9c9b2d5d01a710256330e1579a9e40ad597f861b80b
[INFO] checking struct_mapping_derive-1.0.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate struct_mapping_derive 1.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate struct_mapping_derive 1.0.1 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 struct_mapping_derive 1.0.1
[INFO] finished tweaking crates.io crate struct_mapping_derive 1.0.1
[INFO] tweaked toml for crates.io crate struct_mapping_derive 1.0.1 written to /workspace/builds/worker-2-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 12 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 strsim v0.10.0 (latest: v0.11.1)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0bc9a2955450e04b1fb9f1542edc2330609a01ee80894b059a52f7a9eafe3d73
[INFO] running `Command { std: "docker" "start" "-a" "0bc9a2955450e04b1fb9f1542edc2330609a01ee80894b059a52f7a9eafe3d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc9a2955450e04b1fb9f1542edc2330609a01ee80894b059a52f7a9eafe3d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc9a2955450e04b1fb9f1542edc2330609a01ee80894b059a52f7a9eafe3d73", kill_on_drop: false }`
[INFO] [stdout] 0bc9a2955450e04b1fb9f1542edc2330609a01ee80894b059a52f7a9eafe3d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f71baa511884813a5edc1dda44d03ba8fa4fec9c4a8a293a14cbe2db81ca300d
[INFO] running `Command { std: "docker" "start" "-a" "f71baa511884813a5edc1dda44d03ba8fa4fec9c4a8a293a14cbe2db81ca300d", kill_on_drop: false }`
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking struct_mapping v1.0.1
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]     Checking struct_mapping_derive v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "f71baa511884813a5edc1dda44d03ba8fa4fec9c4a8a293a14cbe2db81ca300d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71baa511884813a5edc1dda44d03ba8fa4fec9c4a8a293a14cbe2db81ca300d", kill_on_drop: false }`
[INFO] [stdout] f71baa511884813a5edc1dda44d03ba8fa4fec9c4a8a293a14cbe2db81ca300d