[INFO] fetching crate singleton_macro 0.1.0...
[INFO] building singleton_macro-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate singleton_macro 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate singleton_macro 0.1.0
[INFO] finished tweaking crates.io crate singleton_macro 0.1.0
[INFO] tweaked toml for crates.io crate singleton_macro 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singleton_macro 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 singleton_macro 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]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.95
[INFO] [stderr]   Downloaded syn v2.0.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1229a869e1ab31dad572538baeeb5781588bcdb09fbee3abc9966b1fc4d7b012
[INFO] running `Command { std: "docker" "start" "-a" "1229a869e1ab31dad572538baeeb5781588bcdb09fbee3abc9966b1fc4d7b012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1229a869e1ab31dad572538baeeb5781588bcdb09fbee3abc9966b1fc4d7b012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1229a869e1ab31dad572538baeeb5781588bcdb09fbee3abc9966b1fc4d7b012", kill_on_drop: false }`
[INFO] [stdout] 1229a869e1ab31dad572538baeeb5781588bcdb09fbee3abc9966b1fc4d7b012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9cc6df6305196a20e913cac75c9eca699dd8b07a0f9b2b2aa376bb07b4fd5d2d
[INFO] running `Command { std: "docker" "start" "-a" "9cc6df6305196a20e913cac75c9eca699dd8b07a0f9b2b2aa376bb07b4fd5d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling singleton_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "9cc6df6305196a20e913cac75c9eca699dd8b07a0f9b2b2aa376bb07b4fd5d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc6df6305196a20e913cac75c9eca699dd8b07a0f9b2b2aa376bb07b4fd5d2d", kill_on_drop: false }`
[INFO] [stdout] 9cc6df6305196a20e913cac75c9eca699dd8b07a0f9b2b2aa376bb07b4fd5d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c8d1dd73d14b02f6b8b4ac734e78aa18c9a2b41f6ed95d436e005d0d66bcaefc
[INFO] running `Command { std: "docker" "start" "-a" "c8d1dd73d14b02f6b8b4ac734e78aa18c9a2b41f6ed95d436e005d0d66bcaefc", kill_on_drop: false }`
[INFO] [stderr]    Compiling singleton_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "c8d1dd73d14b02f6b8b4ac734e78aa18c9a2b41f6ed95d436e005d0d66bcaefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d1dd73d14b02f6b8b4ac734e78aa18c9a2b41f6ed95d436e005d0d66bcaefc", kill_on_drop: false }`
[INFO] [stdout] c8d1dd73d14b02f6b8b4ac734e78aa18c9a2b41f6ed95d436e005d0d66bcaefc