[INFO] fetching crate reachability_solver 0.2.0...
[INFO] checking reachability_solver-0.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate reachability_solver 0.2.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate reachability_solver 0.2.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reachability_solver 0.2.0
[INFO] finished tweaking crates.io crate reachability_solver 0.2.0
[INFO] tweaked toml for crates.io crate reachability_solver 0.2.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate reachability_solver 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded linear_solver v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1d6ff41619e9e50865f0a79346fd2612cfd7b4ae5f6bc732c9cc674ad6d9a6
[INFO] running `Command { std: "docker" "start" "-a" "7c1d6ff41619e9e50865f0a79346fd2612cfd7b4ae5f6bc732c9cc674ad6d9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1d6ff41619e9e50865f0a79346fd2612cfd7b4ae5f6bc732c9cc674ad6d9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1d6ff41619e9e50865f0a79346fd2612cfd7b4ae5f6bc732c9cc674ad6d9a6", kill_on_drop: false }`
[INFO] [stdout] 7c1d6ff41619e9e50865f0a79346fd2612cfd7b4ae5f6bc732c9cc674ad6d9a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 974a28c5cec93f3f5ce87759a61002d7dba9669a29e7a5e9d28e3e8200aa510e
[INFO] running `Command { std: "docker" "start" "-a" "974a28c5cec93f3f5ce87759a61002d7dba9669a29e7a5e9d28e3e8200aa510e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking linear_solver v0.2.2
[INFO] [stderr]     Checking reachability_solver v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/exclusive.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/no_initial.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/meet.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/cardinality.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/map.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/no_terminal.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/cross.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/line.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/bidirection.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking reachability_solver v0.2.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "974a28c5cec93f3f5ce87759a61002d7dba9669a29e7a5e9d28e3e8200aa510e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974a28c5cec93f3f5ce87759a61002d7dba9669a29e7a5e9d28e3e8200aa510e", kill_on_drop: false }`
[INFO] [stdout] 974a28c5cec93f3f5ce87759a61002d7dba9669a29e7a5e9d28e3e8200aa510e