[INFO] fetching crate superconfig 0.1.0...
[INFO] building superconfig-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate superconfig 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate superconfig 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate superconfig 0.1.0
[INFO] tweaked toml for crates.io crate superconfig 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate superconfig 0.1.0 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 superconfig 0.1.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdd v3.0.10
[INFO] [stderr]   Downloaded libyml v0.0.5
[INFO] [stderr]   Downloaded serde_yml v0.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 34fd902b2ca2e788a0ded1aa75494c3a2ed5d3728fa39a84331f9d829be6367f
[INFO] running `Command { std: "docker" "start" "-a" "34fd902b2ca2e788a0ded1aa75494c3a2ed5d3728fa39a84331f9d829be6367f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fd902b2ca2e788a0ded1aa75494c3a2ed5d3728fa39a84331f9d829be6367f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fd902b2ca2e788a0ded1aa75494c3a2ed5d3728fa39a84331f9d829be6367f", kill_on_drop: false }`
[INFO] [stdout] 34fd902b2ca2e788a0ded1aa75494c3a2ed5d3728fa39a84331f9d829be6367f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9c1d5e3bbd3d84981272281d0394e333455132265f31e20168f1ca7aa9ff7198
[INFO] running `Command { std: "docker" "start" "-a" "9c1d5e3bbd3d84981272281d0394e333455132265f31e20168f1ca7aa9ff7198", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling serde_yml v0.0.12
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling libyml v0.0.5
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]    Compiling pear v0.2.9
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling superconfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.28s
[INFO] running `Command { std: "docker" "inspect" "9c1d5e3bbd3d84981272281d0394e333455132265f31e20168f1ca7aa9ff7198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1d5e3bbd3d84981272281d0394e333455132265f31e20168f1ca7aa9ff7198", kill_on_drop: false }`
[INFO] [stdout] 9c1d5e3bbd3d84981272281d0394e333455132265f31e20168f1ca7aa9ff7198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eb22726c5a51b83152a6b87abc589aa9873759d5a8ee75affc7c040b03e2267e
[INFO] running `Command { std: "docker" "start" "-a" "eb22726c5a51b83152a6b87abc589aa9873759d5a8ee75affc7c040b03e2267e", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling sdd v3.0.10
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling serde_yml v0.0.12
[INFO] [stderr]    Compiling scc v2.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serial_test v3.2.0
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling superconfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.43s
[INFO] running `Command { std: "docker" "inspect" "eb22726c5a51b83152a6b87abc589aa9873759d5a8ee75affc7c040b03e2267e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb22726c5a51b83152a6b87abc589aa9873759d5a8ee75affc7c040b03e2267e", kill_on_drop: false }`
[INFO] [stdout] eb22726c5a51b83152a6b87abc589aa9873759d5a8ee75affc7c040b03e2267e