[INFO] fetching crate probables 0.1.4...
[INFO] building probables-0.1.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate probables 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate probables 0.1.4
[INFO] finished tweaking crates.io crate probables 0.1.4
[INFO] tweaked toml for crates.io crate probables 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate probables 0.1.4 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate probables 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0a18a2ae6642bd28bd186980fbe50519772f0cf4f6cb3b84cbcc2834fd77ab6
[INFO] running `Command { std: "docker" "start" "-a" "b0a18a2ae6642bd28bd186980fbe50519772f0cf4f6cb3b84cbcc2834fd77ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a18a2ae6642bd28bd186980fbe50519772f0cf4f6cb3b84cbcc2834fd77ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a18a2ae6642bd28bd186980fbe50519772f0cf4f6cb3b84cbcc2834fd77ab6", kill_on_drop: false }`
[INFO] [stdout] b0a18a2ae6642bd28bd186980fbe50519772f0cf4f6cb3b84cbcc2834fd77ab6
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8793825cc0b51f5ce3f678fb9916c5a8698a00e66677c980c985ed49d833bc13
[INFO] running `Command { std: "docker" "start" "-a" "8793825cc0b51f5ce3f678fb9916c5a8698a00e66677c980c985ed49d833bc13", kill_on_drop: false }`
[INFO] [stderr]    Compiling probables v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "8793825cc0b51f5ce3f678fb9916c5a8698a00e66677c980c985ed49d833bc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8793825cc0b51f5ce3f678fb9916c5a8698a00e66677c980c985ed49d833bc13", kill_on_drop: false }`
[INFO] [stdout] 8793825cc0b51f5ce3f678fb9916c5a8698a00e66677c980c985ed49d833bc13
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab4defee9c67aa145f9fa80ea82af88fc7301533d2ef40400b57defeb236f6ac
[INFO] running `Command { std: "docker" "start" "-a" "ab4defee9c67aa145f9fa80ea82af88fc7301533d2ef40400b57defeb236f6ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling probables v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "ab4defee9c67aa145f9fa80ea82af88fc7301533d2ef40400b57defeb236f6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4defee9c67aa145f9fa80ea82af88fc7301533d2ef40400b57defeb236f6ac", kill_on_drop: false }`
[INFO] [stdout] ab4defee9c67aa145f9fa80ea82af88fc7301533d2ef40400b57defeb236f6ac