[INFO] fetching crate rivulet 0.1.0...
[INFO] checking rivulet-0.1.0 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] extracting crate rivulet 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rivulet 0.1.0 on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rivulet 0.1.0
[INFO] finished tweaking crates.io crate rivulet 0.1.0
[INFO] tweaked toml for crates.io crate rivulet 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.30.0)
[INFO] [stderr]       Adding object v0.35.0 (latest: v0.36.0)
[INFO] [stderr]       Adding system_error v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding vmap v0.5.1 (latest: v0.6.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded system_error v0.1.1
[INFO] [stderr]   Downloaded vmap v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2134b58ecd528a27e54363d39c966f283817a93ccdd0014d238a2e30fe705f3
[INFO] running `Command { std: "docker" "start" "-a" "a2134b58ecd528a27e54363d39c966f283817a93ccdd0014d238a2e30fe705f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2134b58ecd528a27e54363d39c966f283817a93ccdd0014d238a2e30fe705f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2134b58ecd528a27e54363d39c966f283817a93ccdd0014d238a2e30fe705f3", kill_on_drop: false }`
[INFO] [stdout] a2134b58ecd528a27e54363d39c966f283817a93ccdd0014d238a2e30fe705f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75fd108f56603b9149aac74b6a6a4b46a92a98fc5790c6bb70994110a5bb90f
[INFO] running `Command { std: "docker" "start" "-a" "a75fd108f56603b9149aac74b6a6a4b46a92a98fc5790c6bb70994110a5bb90f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking system_error v0.1.1
[INFO] [stderr]     Checking vmap v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking rivulet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "a75fd108f56603b9149aac74b6a6a4b46a92a98fc5790c6bb70994110a5bb90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75fd108f56603b9149aac74b6a6a4b46a92a98fc5790c6bb70994110a5bb90f", kill_on_drop: false }`
[INFO] [stdout] a75fd108f56603b9149aac74b6a6a4b46a92a98fc5790c6bb70994110a5bb90f