[INFO] fetching crate rstb 0.8.1...
[INFO] checking rstb-0.8.1 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] extracting crate rstb 0.8.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rstb 0.8.1 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 rstb 0.8.1
[INFO] finished tweaking crates.io crate rstb 0.8.1
[INFO] tweaked toml for crates.io crate rstb 0.8.1 written to /workspace/builds/worker-4-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]     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 86 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding binrw v0.11.2 (latest: v0.13.3)
[INFO] [stderr]       Adding binrw_derive v0.11.2 (latest: v0.13.3)
[INFO] [stderr]       Adding crc v2.1.0 (latest: v3.2.1)
[INFO] [stderr]       Adding crc-catalog v1.1.1 (latest: v2.4.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding include-flate v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding include-flate-codegen v0.1.4 (latest: v0.3.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding libflate v1.4.0 (latest: v2.1.0)
[INFO] [stderr]       Adding libflate_lz77 v1.2.0 (latest: v2.1.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding roead v0.23.1 (latest: v0.25.1)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded join_str v0.1.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.9
[INFO] [stderr]   Downloaded yaz0 v0.3.0
[INFO] [stderr]   Downloaded scratch v1.0.7
[INFO] [stderr]   Downloaded include-flate-codegen v0.1.4
[INFO] [stderr]   Downloaded include-flate-codegen-exports v0.1.4
[INFO] [stderr]   Downloaded libflate_lz77 v1.2.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.122
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded all_asserts v2.3.1
[INFO] [stderr]   Downloaded binrw v0.11.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.122
[INFO] [stderr]   Downloaded cxx v1.0.122
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded libflate v1.4.0
[INFO] [stderr]   Downloaded almost v0.2.0
[INFO] [stderr]   Downloaded include-flate v0.2.0
[INFO] [stderr]   Downloaded roead v0.23.1
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded binrw_derive v0.11.2
[INFO] [stderr]   Downloaded cxx-build v1.0.122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f1624249c2e23621d38d6d3ed0fddd61f7d5ead687a1dc27f560f5171a659bbd
[INFO] running `Command { std: "docker" "start" "-a" "f1624249c2e23621d38d6d3ed0fddd61f7d5ead687a1dc27f560f5171a659bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1624249c2e23621d38d6d3ed0fddd61f7d5ead687a1dc27f560f5171a659bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1624249c2e23621d38d6d3ed0fddd61f7d5ead687a1dc27f560f5171a659bbd", kill_on_drop: false }`
[INFO] [stdout] f1624249c2e23621d38d6d3ed0fddd61f7d5ead687a1dc27f560f5171a659bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 43b908e1cdc91c4eb3bb6b51b1647c374ef2956b52a9d68b81a4fd7d4fbf04b9
[INFO] running `Command { std: "docker" "start" "-a" "43b908e1cdc91c4eb3bb6b51b1647c374ef2956b52a9d68b81a4fd7d4fbf04b9", kill_on_drop: false }`
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking all_asserts v2.3.1
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking rstb v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "43b908e1cdc91c4eb3bb6b51b1647c374ef2956b52a9d68b81a4fd7d4fbf04b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b908e1cdc91c4eb3bb6b51b1647c374ef2956b52a9d68b81a4fd7d4fbf04b9", kill_on_drop: false }`
[INFO] [stdout] 43b908e1cdc91c4eb3bb6b51b1647c374ef2956b52a9d68b81a4fd7d4fbf04b9