[INFO] fetching crate rust-visitor 0.3.1...
[INFO] building rust-visitor-0.3.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rust-visitor 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rust-visitor 0.3.1
[INFO] finished tweaking crates.io crate rust-visitor 0.3.1
[INFO] tweaked toml for crates.io crate rust-visitor 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-visitor 0.3.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding ra_ap_syntax v0.0.77 (available: v0.0.301)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ra_ap_profile v0.0.77
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.77
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]   Downloaded perf-event v0.4.8
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.77
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded cov-mark v2.1.0
[INFO] [stderr]   Downloaded ra_ap_parser v0.0.77
[INFO] [stderr]   Downloaded perf-event-open-sys v4.0.0
[INFO] [stderr]   Downloaded ra_ap_la-arena v0.0.77
[INFO] [stderr]   Downloaded rowan v0.14.1
[INFO] [stderr]   Downloaded countme v2.0.4
[INFO] [stderr]   Downloaded ra_ap_syntax v0.0.77
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70a7b9dbe2c4d327d7324b688132cfbfcaf0c334984aadd799fc11bc6fd44969
[INFO] running `Command { std: "docker" "start" "-a" "70a7b9dbe2c4d327d7324b688132cfbfcaf0c334984aadd799fc11bc6fd44969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70a7b9dbe2c4d327d7324b688132cfbfcaf0c334984aadd799fc11bc6fd44969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a7b9dbe2c4d327d7324b688132cfbfcaf0c334984aadd799fc11bc6fd44969", kill_on_drop: false }`
[INFO] [stdout] 70a7b9dbe2c4d327d7324b688132cfbfcaf0c334984aadd799fc11bc6fd44969
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9915df85797bba96f9f32ad27be96fe34ce50efb1f673ca17793dc0e097d7225
[INFO] running `Command { std: "docker" "start" "-a" "9915df85797bba96f9f32ad27be96fe34ce50efb1f673ca17793dc0e097d7225", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.77
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling perf-event-open-sys v4.0.0
[INFO] [stderr]    Compiling always-assert v0.1.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cov-mark v2.1.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling ra_ap_text_edit v0.0.77
[INFO] [stderr]    Compiling ra_ap_stdx v0.0.77
[INFO] [stderr]    Compiling ra_ap_parser v0.0.77
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]    Compiling perf-event v0.4.8
[INFO] [stderr]    Compiling countme v2.0.4
[INFO] [stderr]    Compiling ra_ap_profile v0.0.77
[INFO] [stderr]    Compiling rowan v0.14.1
[INFO] [stderr]    Compiling smol_str v0.1.24
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.77
[INFO] [stderr]    Compiling rust-visitor v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "9915df85797bba96f9f32ad27be96fe34ce50efb1f673ca17793dc0e097d7225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9915df85797bba96f9f32ad27be96fe34ce50efb1f673ca17793dc0e097d7225", kill_on_drop: false }`
[INFO] [stdout] 9915df85797bba96f9f32ad27be96fe34ce50efb1f673ca17793dc0e097d7225
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42f0134e4af2c0b0022638e591d47d28d8041fb9875267787aa629064e48ec3
[INFO] running `Command { std: "docker" "start" "-a" "f42f0134e4af2c0b0022638e591d47d28d8041fb9875267787aa629064e48ec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-visitor v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "f42f0134e4af2c0b0022638e591d47d28d8041fb9875267787aa629064e48ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42f0134e4af2c0b0022638e591d47d28d8041fb9875267787aa629064e48ec3", kill_on_drop: false }`
[INFO] [stdout] f42f0134e4af2c0b0022638e591d47d28d8041fb9875267787aa629064e48ec3