[INFO] fetching crate formality-core 0.1.1...
[INFO] checking formality-core-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate formality-core 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate formality-core 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate formality-core 0.1.1
[INFO] finished tweaking crates.io crate formality-core 0.1.1
[INFO] tweaked toml for crates.io crate formality-core 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.5)
[INFO] [stderr]       Adding matchers v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding tracing-log v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding tracing-tree v0.2.5 (latest: v0.4.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expect-test v1.5.0
[INFO] [stderr]   Downloaded contracts v0.6.3
[INFO] [stderr]   Downloaded convert_case v0.6.0
[INFO] [stderr]   Downloaded tracing-tree v0.2.5
[INFO] [stderr]   Downloaded dissimilar v1.0.9
[INFO] [stderr]   Downloaded formality-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fda368964a7ffbe9309cabca781159ee81dfc69a9b6fc43bb5f21d8865dffd6
[INFO] running `Command { std: "docker" "start" "-a" "0fda368964a7ffbe9309cabca781159ee81dfc69a9b6fc43bb5f21d8865dffd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fda368964a7ffbe9309cabca781159ee81dfc69a9b6fc43bb5f21d8865dffd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fda368964a7ffbe9309cabca781159ee81dfc69a9b6fc43bb5f21d8865dffd6", kill_on_drop: false }`
[INFO] [stdout] 0fda368964a7ffbe9309cabca781159ee81dfc69a9b6fc43bb5f21d8865dffd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a1dee19365093344167fb91679e7d1b340f870f0dd409e6b7e1c4f6270ff3e
[INFO] running `Command { std: "docker" "start" "-a" "f0a1dee19365093344167fb91679e7d1b340f870f0dd409e6b7e1c4f6270ff3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling psm v0.1.22
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking expect-test v1.5.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling formality-macros v0.1.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking tracing-tree v0.2.5
[INFO] [stderr]    Compiling contracts v0.6.3
[INFO] [stderr]     Checking formality-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "f0a1dee19365093344167fb91679e7d1b340f870f0dd409e6b7e1c4f6270ff3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a1dee19365093344167fb91679e7d1b340f870f0dd409e6b7e1c4f6270ff3e", kill_on_drop: false }`
[INFO] [stdout] f0a1dee19365093344167fb91679e7d1b340f870f0dd409e6b7e1c4f6270ff3e