[INFO] fetching crate var_num 0.4.2...
[INFO] building var_num-0.4.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate var_num 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate var_num 0.4.2
[INFO] finished tweaking crates.io crate var_num 0.4.2
[INFO] tweaked toml for crates.io crate var_num 0.4.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate var_num 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.99.20
[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] b46c8cd964ebc53395eba67053e77be3d7437c5872264fd364cf55836603b496
[INFO] running `Command { std: "docker" "start" "-a" "b46c8cd964ebc53395eba67053e77be3d7437c5872264fd364cf55836603b496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b46c8cd964ebc53395eba67053e77be3d7437c5872264fd364cf55836603b496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46c8cd964ebc53395eba67053e77be3d7437c5872264fd364cf55836603b496", kill_on_drop: false }`
[INFO] [stdout] b46c8cd964ebc53395eba67053e77be3d7437c5872264fd364cf55836603b496
[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] b1123467a20aceb5b1f5af5af6d629f2c312b33c4aecaf593becef50ae60c44b
[INFO] running `Command { std: "docker" "start" "-a" "b1123467a20aceb5b1f5af5af6d629f2c312b33c4aecaf593becef50ae60c44b", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling var_num v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "b1123467a20aceb5b1f5af5af6d629f2c312b33c4aecaf593becef50ae60c44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1123467a20aceb5b1f5af5af6d629f2c312b33c4aecaf593becef50ae60c44b", kill_on_drop: false }`
[INFO] [stdout] b1123467a20aceb5b1f5af5af6d629f2c312b33c4aecaf593becef50ae60c44b
[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] 60525e84f9326c9049c4e4396e96c7a48c84d044f84ec9061d6c5eab15adc018
[INFO] running `Command { std: "docker" "start" "-a" "60525e84f9326c9049c4e4396e96c7a48c84d044f84ec9061d6c5eab15adc018", kill_on_drop: false }`
[INFO] [stderr]    Compiling var_num v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "60525e84f9326c9049c4e4396e96c7a48c84d044f84ec9061d6c5eab15adc018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60525e84f9326c9049c4e4396e96c7a48c84d044f84ec9061d6c5eab15adc018", kill_on_drop: false }`
[INFO] [stdout] 60525e84f9326c9049c4e4396e96c7a48c84d044f84ec9061d6c5eab15adc018