[INFO] fetching crate sampler 0.2.0...
[INFO] checking sampler-0.2.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate sampler 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate sampler 0.2.0 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sampler 0.2.0
[INFO] finished tweaking crates.io crate sampler 0.2.0
[INFO] tweaked toml for crates.io crate sampler 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.3.3 (available: v2.6.0)
[INFO] [stderr]       Adding hound v2.0.0 (available: v3.5.1)
[INFO] [stderr]       Adding itoa v0.1.1 (available: v1.0.11)
[INFO] [stderr]       Adding num v0.1.42 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.1.44 (available: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.1.43 (available: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.1.42 (available: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (available: v0.2.19)
[INFO] [stderr]       Adding pitch_calc v0.11.1 (available: v0.12.0)
[INFO] [stderr]       Adding portaudio v0.6.4 (available: v0.7.1)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding sample v0.6.2 (available: v0.11.0)
[INFO] [stderr]       Adding serde v0.7.15 (available: v1.0.210)
[INFO] [stderr]       Adding serde_json v0.7.4 (available: v1.0.128)
[INFO] [stderr]       Adding time_calc v0.11.1 (available: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b7e5d52498de6fcf3b049aab68e27d2b31c71be6825756c927de1c8404ce5cd
[INFO] running `Command { std: "docker" "start" "-a" "9b7e5d52498de6fcf3b049aab68e27d2b31c71be6825756c927de1c8404ce5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b7e5d52498de6fcf3b049aab68e27d2b31c71be6825756c927de1c8404ce5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7e5d52498de6fcf3b049aab68e27d2b31c71be6825756c927de1c8404ce5cd", kill_on_drop: false }`
[INFO] [stdout] 9b7e5d52498de6fcf3b049aab68e27d2b31c71be6825756c927de1c8404ce5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91c8dd07b9b82ba266ffc3912b8f312706571895caed3d181d158a5119bcd2fb
[INFO] running `Command { std: "docker" "start" "-a" "91c8dd07b9b82ba266ffc3912b8f312706571895caed3d181d158a5119bcd2fb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "91c8dd07b9b82ba266ffc3912b8f312706571895caed3d181d158a5119bcd2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c8dd07b9b82ba266ffc3912b8f312706571895caed3d181d158a5119bcd2fb", kill_on_drop: false }`
[INFO] [stdout] 91c8dd07b9b82ba266ffc3912b8f312706571895caed3d181d158a5119bcd2fb