[INFO] fetching crate valargs 0.1.7...
[INFO] building valargs-0.1.7 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate valargs 0.1.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate valargs 0.1.7
[INFO] finished tweaking crates.io crate valargs 0.1.7
[INFO] tweaked toml for crates.io crate valargs 0.1.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate valargs 0.1.7 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 valargs 0.1.7 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfddb68ea69633065c21f9de7a777966a1aed5be1b570987e1d94ead0d731c90
[INFO] running `Command { std: "docker" "start" "-a" "bfddb68ea69633065c21f9de7a777966a1aed5be1b570987e1d94ead0d731c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfddb68ea69633065c21f9de7a777966a1aed5be1b570987e1d94ead0d731c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfddb68ea69633065c21f9de7a777966a1aed5be1b570987e1d94ead0d731c90", kill_on_drop: false }`
[INFO] [stdout] bfddb68ea69633065c21f9de7a777966a1aed5be1b570987e1d94ead0d731c90
[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=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] 47215e59cf53fae441220989c81331fa9025c8df31d901205bcc460ce89efbb2
[INFO] running `Command { std: "docker" "start" "-a" "47215e59cf53fae441220989c81331fa9025c8df31d901205bcc460ce89efbb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling valargs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "47215e59cf53fae441220989c81331fa9025c8df31d901205bcc460ce89efbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47215e59cf53fae441220989c81331fa9025c8df31d901205bcc460ce89efbb2", kill_on_drop: false }`
[INFO] [stdout] 47215e59cf53fae441220989c81331fa9025c8df31d901205bcc460ce89efbb2
[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=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] e36c7f32637ab9710aa1c6e40f7877a97ea21a114a6bdcd698571b8cd3cc031c
[INFO] running `Command { std: "docker" "start" "-a" "e36c7f32637ab9710aa1c6e40f7877a97ea21a114a6bdcd698571b8cd3cc031c", kill_on_drop: false }`
[INFO] [stderr]    Compiling valargs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "e36c7f32637ab9710aa1c6e40f7877a97ea21a114a6bdcd698571b8cd3cc031c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36c7f32637ab9710aa1c6e40f7877a97ea21a114a6bdcd698571b8cd3cc031c", kill_on_drop: false }`
[INFO] [stdout] e36c7f32637ab9710aa1c6e40f7877a97ea21a114a6bdcd698571b8cd3cc031c