[INFO] fetching crate rust-visitor 0.3.0...
[INFO] testing rust-visitor-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rust-visitor 0.3.0 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate rust-visitor 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-visitor 0.3.0
[INFO] finished tweaking crates.io crate rust-visitor 0.3.0
[INFO] tweaked toml for crates.io crate rust-visitor 0.3.0 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v4.0.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]   Downloaded rowan v0.14.1
[INFO] [stderr]   Downloaded countme v2.0.4
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded ra_ap_parser v0.0.77
[INFO] [stderr]   Downloaded perf-event v0.4.7
[INFO] [stderr]   Downloaded cov-mark v2.0.0-pre.1
[INFO] [stderr]   Downloaded ra_ap_la-arena v0.0.77
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.77
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded always-assert v0.1.2
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.77
[INFO] [stderr]   Downloaded ra_ap_profile v0.0.77
[INFO] [stderr]   Downloaded ra_ap_syntax v0.0.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e127d89d4fc798ab7d7a62662323401a22bef0b91050d73199cff4f1bf07568b
[INFO] running `Command { std: "docker" "start" "-a" "e127d89d4fc798ab7d7a62662323401a22bef0b91050d73199cff4f1bf07568b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e127d89d4fc798ab7d7a62662323401a22bef0b91050d73199cff4f1bf07568b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e127d89d4fc798ab7d7a62662323401a22bef0b91050d73199cff4f1bf07568b", kill_on_drop: false }`
[INFO] [stdout] e127d89d4fc798ab7d7a62662323401a22bef0b91050d73199cff4f1bf07568b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a925f740246633eeb38f06c3924ad1949ad3b3c28105027576e490d959a4baa
[INFO] running `Command { std: "docker" "start" "-a" "9a925f740246633eeb38f06c3924ad1949ad3b3c28105027576e490d959a4baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.77
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling cov-mark v2.0.0-pre.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]    Compiling perf-event-open-sys v1.0.1
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling always-assert v0.1.2
[INFO] [stderr]    Compiling ra_ap_stdx v0.0.77
[INFO] [stderr]    Compiling ra_ap_parser v0.0.77
[INFO] [stderr]    Compiling ra_ap_text_edit v0.0.77
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling perf-event v0.4.7
[INFO] [stderr]    Compiling indexmap v1.7.0
[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 v0.1.21
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.77
[INFO] [stderr]    Compiling rust-visitor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.67s
[INFO] running `Command { std: "docker" "inspect" "9a925f740246633eeb38f06c3924ad1949ad3b3c28105027576e490d959a4baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a925f740246633eeb38f06c3924ad1949ad3b3c28105027576e490d959a4baa", kill_on_drop: false }`
[INFO] [stdout] 9a925f740246633eeb38f06c3924ad1949ad3b3c28105027576e490d959a4baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec088909bc5c47c347455a33d5898a25d1d652e317d1f21d3dd0b445db8a53d0
[INFO] running `Command { std: "docker" "start" "-a" "ec088909bc5c47c347455a33d5898a25d1d652e317d1f21d3dd0b445db8a53d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-visitor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "ec088909bc5c47c347455a33d5898a25d1d652e317d1f21d3dd0b445db8a53d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec088909bc5c47c347455a33d5898a25d1d652e317d1f21d3dd0b445db8a53d0", kill_on_drop: false }`
[INFO] [stdout] ec088909bc5c47c347455a33d5898a25d1d652e317d1f21d3dd0b445db8a53d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7791ce41a0ec2d84238b1166dfed5766a78209311ead8705134f6c1bd34028ac
[INFO] running `Command { std: "docker" "start" "-a" "7791ce41a0ec2d84238b1166dfed5766a78209311ead8705134f6c1bd34028ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_visitor-03be54979b09b826)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-visitor
[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] [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" "7791ce41a0ec2d84238b1166dfed5766a78209311ead8705134f6c1bd34028ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7791ce41a0ec2d84238b1166dfed5766a78209311ead8705134f6c1bd34028ac", kill_on_drop: false }`
[INFO] [stdout] 7791ce41a0ec2d84238b1166dfed5766a78209311ead8705134f6c1bd34028ac