[INFO] fetching crate variant_count 1.2.0...
[INFO] testing variant_count-1.2.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate variant_count 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate variant_count 1.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate variant_count 1.2.0
[INFO] tweaked toml for crates.io crate variant_count 1.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate variant_count 1.2.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate variant_count 1.2.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc4af2f5afeca1197a2790818e6a0dcbe4cb188ac5cc098aecfb16f2d6846d5d
[INFO] running `Command { std: "docker" "start" "-a" "dc4af2f5afeca1197a2790818e6a0dcbe4cb188ac5cc098aecfb16f2d6846d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc4af2f5afeca1197a2790818e6a0dcbe4cb188ac5cc098aecfb16f2d6846d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4af2f5afeca1197a2790818e6a0dcbe4cb188ac5cc098aecfb16f2d6846d5d", kill_on_drop: false }`
[INFO] [stdout] dc4af2f5afeca1197a2790818e6a0dcbe4cb188ac5cc098aecfb16f2d6846d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13279a0b69b0cd89c10f129d36e1df427ec21859f8bb30c447571b9eedb51679
[INFO] running `Command { std: "docker" "start" "-a" "13279a0b69b0cd89c10f129d36e1df427ec21859f8bb30c447571b9eedb51679", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling variant_count v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "13279a0b69b0cd89c10f129d36e1df427ec21859f8bb30c447571b9eedb51679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13279a0b69b0cd89c10f129d36e1df427ec21859f8bb30c447571b9eedb51679", kill_on_drop: false }`
[INFO] [stdout] 13279a0b69b0cd89c10f129d36e1df427ec21859f8bb30c447571b9eedb51679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9344eca84749a22508d992eff8c2ad6974f1efd1e622772719cbe9d1f1f0da7
[INFO] running `Command { std: "docker" "start" "-a" "a9344eca84749a22508d992eff8c2ad6974f1efd1e622772719cbe9d1f1f0da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling variant_count v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "a9344eca84749a22508d992eff8c2ad6974f1efd1e622772719cbe9d1f1f0da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9344eca84749a22508d992eff8c2ad6974f1efd1e622772719cbe9d1f1f0da7", kill_on_drop: false }`
[INFO] [stdout] a9344eca84749a22508d992eff8c2ad6974f1efd1e622772719cbe9d1f1f0da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 511f482359584dab8617d58d670194c297fb4f5868c0dbffee566c0ef6b3eda4
[INFO] running `Command { std: "docker" "start" "-a" "511f482359584dab8617d58d670194c297fb4f5868c0dbffee566c0ef6b3eda4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variant_count-571ae6c7daebb81a)
[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]      Running tests/variant_count.rs (/opt/rustwide/target/debug/deps/variant_count-a4f4e2925d92e46b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test variant_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests variant_count
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "511f482359584dab8617d58d670194c297fb4f5868c0dbffee566c0ef6b3eda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511f482359584dab8617d58d670194c297fb4f5868c0dbffee566c0ef6b3eda4", kill_on_drop: false }`
[INFO] [stdout] 511f482359584dab8617d58d670194c297fb4f5868c0dbffee566c0ef6b3eda4