[INFO] fetching crate num_base 0.4.2...
[INFO] building num_base-0.4.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate num_base 0.4.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate num_base 0.4.2
[INFO] finished tweaking crates.io crate num_base 0.4.2
[INFO] tweaked toml for crates.io crate num_base 0.4.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate num_base 0.4.2 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 num_base 0.4.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded clap v3.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a40b9c4df9c5a2bb27b1e6803b988f8ea4cb18b1bdc6d63b11e3ebed9fd4961b
[INFO] running `Command { std: "docker" "start" "-a" "a40b9c4df9c5a2bb27b1e6803b988f8ea4cb18b1bdc6d63b11e3ebed9fd4961b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a40b9c4df9c5a2bb27b1e6803b988f8ea4cb18b1bdc6d63b11e3ebed9fd4961b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40b9c4df9c5a2bb27b1e6803b988f8ea4cb18b1bdc6d63b11e3ebed9fd4961b", kill_on_drop: false }`
[INFO] [stdout] a40b9c4df9c5a2bb27b1e6803b988f8ea4cb18b1bdc6d63b11e3ebed9fd4961b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5b0705c01db62e66b2fd33520ae3e35226d6d6a22cdcca988bbce1c1c1adab8a
[INFO] running `Command { std: "docker" "start" "-a" "5b0705c01db62e66b2fd33520ae3e35226d6d6a22cdcca988bbce1c1c1adab8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_base v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "5b0705c01db62e66b2fd33520ae3e35226d6d6a22cdcca988bbce1c1c1adab8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0705c01db62e66b2fd33520ae3e35226d6d6a22cdcca988bbce1c1c1adab8a", kill_on_drop: false }`
[INFO] [stdout] 5b0705c01db62e66b2fd33520ae3e35226d6d6a22cdcca988bbce1c1c1adab8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7c2ed00ee9a78df060cbea3c476fcca40a5002dc63417360f25b67b03bde36b3
[INFO] running `Command { std: "docker" "start" "-a" "7c2ed00ee9a78df060cbea3c476fcca40a5002dc63417360f25b67b03bde36b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_base v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "7c2ed00ee9a78df060cbea3c476fcca40a5002dc63417360f25b67b03bde36b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2ed00ee9a78df060cbea3c476fcca40a5002dc63417360f25b67b03bde36b3", kill_on_drop: false }`
[INFO] [stdout] 7c2ed00ee9a78df060cbea3c476fcca40a5002dc63417360f25b67b03bde36b3