[INFO] fetching crate uncertain 0.3.1...
[INFO] checking uncertain-0.3.1 against 656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-25
[INFO] extracting crate uncertain 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate uncertain 0.3.1
[INFO] finished tweaking crates.io crate uncertain 0.3.1
[INFO] tweaked toml for crates.io crate uncertain 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uncertain 0.3.1 on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.7 (available: v0.10.2)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding rand_pcg v0.3.1 (available: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb
[INFO] running `Command { std: "docker" "start" "266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.7
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking uncertain v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb", kill_on_drop: false }`
[INFO] [stdout] 266d8e2a416b98e9e985858c05fad36e796ad281783bcaf6eb97c79489e47ccb