[INFO] fetching crate wambo 0.2.5...
[INFO] checking wambo-0.2.5 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate wambo 0.2.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wambo 0.2.5 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wambo 0.2.5
[INFO] finished tweaking crates.io crate wambo 0.2.5
[INFO] tweaked toml for crates.io crate wambo 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate wambo 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9763f5ef2eb9aa04ff6c1315bf3f9e3101cec81b7f26852b66dde0bac8cbe3d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9763f5ef2eb9aa04ff6c1315bf3f9e3101cec81b7f26852b66dde0bac8cbe3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9763f5ef2eb9aa04ff6c1315bf3f9e3101cec81b7f26852b66dde0bac8cbe3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9763f5ef2eb9aa04ff6c1315bf3f9e3101cec81b7f26852b66dde0bac8cbe3d4", kill_on_drop: false }`
[INFO] [stdout] 9763f5ef2eb9aa04ff6c1315bf3f9e3101cec81b7f26852b66dde0bac8cbe3d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55992be36b87bd2c0c881f1b686b7c96ccdbe4b442e1df202003d90f0e2f725
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f55992be36b87bd2c0c881f1b686b7c96ccdbe4b442e1df202003d90f0e2f725", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fraction_list_fmt_align v0.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking wambo v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `captures`
[INFO] [stdout]    --> src/parse/mod.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let captures = regex.captures("-0x123ki").unwrap();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captures`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.96s
[INFO] running `Command { std: "docker" "inspect" "f55992be36b87bd2c0c881f1b686b7c96ccdbe4b442e1df202003d90f0e2f725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55992be36b87bd2c0c881f1b686b7c96ccdbe4b442e1df202003d90f0e2f725", kill_on_drop: false }`
[INFO] [stdout] f55992be36b87bd2c0c881f1b686b7c96ccdbe4b442e1df202003d90f0e2f725