[INFO] fetching crate flexgen 0.4.5...
[INFO] checking flexgen-0.4.5 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate flexgen 0.4.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate flexgen 0.4.5 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexgen 0.4.5
[INFO] finished tweaking crates.io crate flexgen 0.4.5
[INFO] tweaked toml for crates.io crate flexgen 0.4.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate flexgen 0.4.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.9.2
[INFO] [stderr]   Downloaded quote-doctest v0.3.2
[INFO] [stderr]   Downloaded prettyplease v0.1.9
[INFO] [stderr]   Downloaded use-builder v0.1.0
[INFO] [stderr]   Downloaded pretty_assertions v1.2.1
[INFO] [stderr]   Downloaded rayon v1.5.2
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ec0c883e42416b9e1ff8d3856c626ae2c38f1c3e4565647ad3ca750b8690e62
[INFO] running `Command { std: "docker" "start" "-a" "9ec0c883e42416b9e1ff8d3856c626ae2c38f1c3e4565647ad3ca750b8690e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ec0c883e42416b9e1ff8d3856c626ae2c38f1c3e4565647ad3ca750b8690e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec0c883e42416b9e1ff8d3856c626ae2c38f1c3e4565647ad3ca750b8690e62", kill_on_drop: false }`
[INFO] [stdout] 9ec0c883e42416b9e1ff8d3856c626ae2c38f1c3e4565647ad3ca750b8690e62
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc4b0a715f2f455b8bb460d40fa64ff5adc658cfc809c1728156f3e891f6ed6f
[INFO] running `Command { std: "docker" "start" "-a" "fc4b0a715f2f455b8bb460d40fa64ff5adc658cfc809c1728156f3e891f6ed6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking heck v0.4.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking prettyplease v0.1.9
[INFO] [stderr]     Checking use-builder v0.1.0
[INFO] [stderr]     Checking rust-format v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking quote-doctest v0.3.2
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking flexgen v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `Command { std: "docker" "inspect" "fc4b0a715f2f455b8bb460d40fa64ff5adc658cfc809c1728156f3e891f6ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4b0a715f2f455b8bb460d40fa64ff5adc658cfc809c1728156f3e891f6ed6f", kill_on_drop: false }`
[INFO] [stdout] fc4b0a715f2f455b8bb460d40fa64ff5adc658cfc809c1728156f3e891f6ed6f