[INFO] fetching crate pliron 0.4.0...
[INFO] checking pliron-0.4.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate pliron 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pliron 0.4.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pliron 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pliron 0.4.0
[INFO] tweaked toml for crates.io crate pliron 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pliron-derive v0.4.0
[INFO] [stderr]   Downloaded apint v0.2.0
[INFO] [stderr]   Downloaded linkme-impl v0.3.28
[INFO] [stderr]   Downloaded linkme v0.3.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5877841ebadf31e55b71c87a9135594586dd15aba0c871145644527f59f1ee58
[INFO] running `Command { std: "docker" "start" "-a" "5877841ebadf31e55b71c87a9135594586dd15aba0c871145644527f59f1ee58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5877841ebadf31e55b71c87a9135594586dd15aba0c871145644527f59f1ee58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5877841ebadf31e55b71c87a9135594586dd15aba0c871145644527f59f1ee58", kill_on_drop: false }`
[INFO] [stdout] 5877841ebadf31e55b71c87a9135594586dd15aba0c871145644527f59f1ee58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ef2dec56cec3edd6fc2ed23ba64adb8e6d07fe3f70122a16a7a8f8d0427ddb4
[INFO] running `Command { std: "docker" "start" "-a" "8ef2dec56cec3edd6fc2ed23ba64adb8e6d07fe3f70122a16a7a8f8d0427ddb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking expect-test v1.5.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling linkme-impl v0.3.28
[INFO] [stderr]     Checking linkme v0.3.28
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]    Compiling pliron-derive v0.4.0
[INFO] [stderr]     Checking apint v0.2.0
[INFO] [stderr]     Checking pliron v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.80s
[INFO] running `Command { std: "docker" "inspect" "8ef2dec56cec3edd6fc2ed23ba64adb8e6d07fe3f70122a16a7a8f8d0427ddb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef2dec56cec3edd6fc2ed23ba64adb8e6d07fe3f70122a16a7a8f8d0427ddb4", kill_on_drop: false }`
[INFO] [stdout] 8ef2dec56cec3edd6fc2ed23ba64adb8e6d07fe3f70122a16a7a8f8d0427ddb4