[INFO] fetching crate child-of 1.0.3...
[INFO] testing child-of-1.0.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate child-of 1.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate child-of 1.0.3
[INFO] finished tweaking crates.io crate child-of 1.0.3
[INFO] tweaked toml for crates.io crate child-of 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate child-of 1.0.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate child-of 1.0.3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f0cc2217c6ee15838dbb0c9bbe8d31873f88dd73756e9d25a5b0c1c63fb55af
[INFO] running `Command { std: "docker" "start" "-a" "6f0cc2217c6ee15838dbb0c9bbe8d31873f88dd73756e9d25a5b0c1c63fb55af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0cc2217c6ee15838dbb0c9bbe8d31873f88dd73756e9d25a5b0c1c63fb55af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0cc2217c6ee15838dbb0c9bbe8d31873f88dd73756e9d25a5b0c1c63fb55af", kill_on_drop: false }`
[INFO] [stdout] 6f0cc2217c6ee15838dbb0c9bbe8d31873f88dd73756e9d25a5b0c1c63fb55af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9c3bae49e621f9ea15fd490752c97d0124b09cef0d070d1a6cba35aff1d456c
[INFO] running `Command { std: "docker" "start" "-a" "c9c3bae49e621f9ea15fd490752c97d0124b09cef0d070d1a6cba35aff1d456c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling child-of v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "c9c3bae49e621f9ea15fd490752c97d0124b09cef0d070d1a6cba35aff1d456c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c3bae49e621f9ea15fd490752c97d0124b09cef0d070d1a6cba35aff1d456c", kill_on_drop: false }`
[INFO] [stdout] c9c3bae49e621f9ea15fd490752c97d0124b09cef0d070d1a6cba35aff1d456c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3ff02c1f718968e8ac1538b74a2768984a38cfc1957f2977b6fed91139d68d8
[INFO] running `Command { std: "docker" "start" "-a" "c3ff02c1f718968e8ac1538b74a2768984a38cfc1957f2977b6fed91139d68d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling child-of v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "c3ff02c1f718968e8ac1538b74a2768984a38cfc1957f2977b6fed91139d68d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ff02c1f718968e8ac1538b74a2768984a38cfc1957f2977b6fed91139d68d8", kill_on_drop: false }`
[INFO] [stdout] c3ff02c1f718968e8ac1538b74a2768984a38cfc1957f2977b6fed91139d68d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3a0408b967bddc2dac8b872378b58935f738bf5e33883418e334a3d9694b3d4
[INFO] running `Command { std: "docker" "start" "-a" "a3a0408b967bddc2dac8b872378b58935f738bf5e33883418e334a3d9694b3d4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/child_of-d059862195865754)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests child_of
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3a0408b967bddc2dac8b872378b58935f738bf5e33883418e334a3d9694b3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a0408b967bddc2dac8b872378b58935f738bf5e33883418e334a3d9694b3d4", kill_on_drop: false }`
[INFO] [stdout] a3a0408b967bddc2dac8b872378b58935f738bf5e33883418e334a3d9694b3d4