[INFO] fetching crate forr 0.2.3...
[INFO] checking forr-0.2.3 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate forr 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate forr 0.2.3 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 forr 0.2.3
[INFO] finished tweaking crates.io crate forr 0.2.3
[INFO] tweaked toml for crates.io crate forr 0.2.3 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding manyhow v0.6.0 (available: v0.11.4)
[INFO] [stderr]       Adding manyhow-macros v0.6.0 (available: v0.11.4)
[INFO] [stderr]       Adding proc-macro-utils v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding proc-macro-utils v0.9.1 (available: v0.10.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded manyhow v0.6.0
[INFO] [stderr]   Downloaded proc-macro-utils v0.8.0
[INFO] [stderr]   Downloaded manyhow-macros v0.6.0
[INFO] [stderr]   Downloaded proc-macro-utils v0.9.1
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d1d265cfb5896101cfa14a6369df80e75310b24f0d900fa5ace0031b44d59df
[INFO] running `Command { std: "docker" "start" "-a" "6d1d265cfb5896101cfa14a6369df80e75310b24f0d900fa5ace0031b44d59df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d1d265cfb5896101cfa14a6369df80e75310b24f0d900fa5ace0031b44d59df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1d265cfb5896101cfa14a6369df80e75310b24f0d900fa5ace0031b44d59df", kill_on_drop: false }`
[INFO] [stdout] 6d1d265cfb5896101cfa14a6369df80e75310b24f0d900fa5ace0031b44d59df
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8d4541e316bf513d19531398aaed92f22c093642504c9420f95e4192d846c57
[INFO] running `Command { std: "docker" "start" "-a" "a8d4541e316bf513d19531398aaed92f22c093642504c9420f95e4192d846c57", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking proc-macro-utils v0.9.1
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling manyhow-macros v0.6.0
[INFO] [stderr]     Checking manyhow v0.6.0
[INFO] [stderr]     Checking forr v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "a8d4541e316bf513d19531398aaed92f22c093642504c9420f95e4192d846c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d4541e316bf513d19531398aaed92f22c093642504c9420f95e4192d846c57", kill_on_drop: false }`
[INFO] [stdout] a8d4541e316bf513d19531398aaed92f22c093642504c9420f95e4192d846c57