[INFO] fetching crate pro_lang_ir 3.0.0-rc2...
[INFO] checking pro_lang_ir-3.0.0-rc2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate pro_lang_ir 3.0.0-rc2 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate pro_lang_ir 3.0.0-rc2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_lang_ir 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_lang_ir 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_lang_ir 3.0.0-rc2 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14daadb3007833dac06e854f4047fbf5a55e3775efb1dd0a24244e4e8b75e519
[INFO] running `Command { std: "docker" "start" "-a" "14daadb3007833dac06e854f4047fbf5a55e3775efb1dd0a24244e4e8b75e519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14daadb3007833dac06e854f4047fbf5a55e3775efb1dd0a24244e4e8b75e519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14daadb3007833dac06e854f4047fbf5a55e3775efb1dd0a24244e4e8b75e519", kill_on_drop: false }`
[INFO] [stdout] 14daadb3007833dac06e854f4047fbf5a55e3775efb1dd0a24244e4e8b75e519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49bf2d2d5f9b15d8fa0fc021dc7cfdb4e39d65e608011cb2ffe739b3dbe4f433
[INFO] running `Command { std: "docker" "start" "-a" "49bf2d2d5f9b15d8fa0fc021dc7cfdb4e39d65e608011cb2ffe739b3dbe4f433", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking pro_lang_ir v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.13s
[INFO] running `Command { std: "docker" "inspect" "49bf2d2d5f9b15d8fa0fc021dc7cfdb4e39d65e608011cb2ffe739b3dbe4f433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bf2d2d5f9b15d8fa0fc021dc7cfdb4e39d65e608011cb2ffe739b3dbe4f433", kill_on_drop: false }`
[INFO] [stdout] 49bf2d2d5f9b15d8fa0fc021dc7cfdb4e39d65e608011cb2ffe739b3dbe4f433