[INFO] fetching crate num_train01_one 0.1.3...
[INFO] building num_train01_one-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate num_train01_one 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate num_train01_one 0.1.3
[INFO] finished tweaking crates.io crate num_train01_one 0.1.3
[INFO] tweaked toml for crates.io crate num_train01_one 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate num_train01_one 0.1.3 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_train01_one 0.1.3 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_train01_lib v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5c50b6782ef0a28667d0a9680fee50dd092dee3bda063126a0c5fc2b5404c3e8
[INFO] running `Command { std: "docker" "start" "-a" "5c50b6782ef0a28667d0a9680fee50dd092dee3bda063126a0c5fc2b5404c3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c50b6782ef0a28667d0a9680fee50dd092dee3bda063126a0c5fc2b5404c3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c50b6782ef0a28667d0a9680fee50dd092dee3bda063126a0c5fc2b5404c3e8", kill_on_drop: false }`
[INFO] [stdout] 5c50b6782ef0a28667d0a9680fee50dd092dee3bda063126a0c5fc2b5404c3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f4c85daaff175432b619cc12007adb5f796a31f69ba1246bdd0259e6c5651764
[INFO] running `Command { std: "docker" "start" "-a" "f4c85daaff175432b619cc12007adb5f796a31f69ba1246bdd0259e6c5651764", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_train01_lib v0.1.2
[INFO] [stderr]    Compiling num_train01_one v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f4c85daaff175432b619cc12007adb5f796a31f69ba1246bdd0259e6c5651764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c85daaff175432b619cc12007adb5f796a31f69ba1246bdd0259e6c5651764", kill_on_drop: false }`
[INFO] [stdout] f4c85daaff175432b619cc12007adb5f796a31f69ba1246bdd0259e6c5651764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1a1c1044ab97802ec4707d40cdfaca2ff2c09881968531ebad6eda7c2f44ce32
[INFO] running `Command { std: "docker" "start" "-a" "1a1c1044ab97802ec4707d40cdfaca2ff2c09881968531ebad6eda7c2f44ce32", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_train01_one v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "1a1c1044ab97802ec4707d40cdfaca2ff2c09881968531ebad6eda7c2f44ce32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1c1044ab97802ec4707d40cdfaca2ff2c09881968531ebad6eda7c2f44ce32", kill_on_drop: false }`
[INFO] [stdout] 1a1c1044ab97802ec4707d40cdfaca2ff2c09881968531ebad6eda7c2f44ce32