[INFO] fetching crate milcheck 0.2.6...
[INFO] checking milcheck-0.2.6 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate milcheck 0.2.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate milcheck 0.2.6 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate milcheck 0.2.6
[INFO] finished tweaking crates.io crate milcheck 0.2.6
[INFO] tweaked toml for crates.io crate milcheck 0.2.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate milcheck 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 ego-tree v0.6.2
[INFO] [stderr]   Downloaded servo_arc v0.1.1
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded html2text v0.2.1
[INFO] [stderr]   Downloaded scraper v0.12.0
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6af38e432c02ff9315ddaf56b3385f499c709b45063cfee7067e10aed96e6339
[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" "6af38e432c02ff9315ddaf56b3385f499c709b45063cfee7067e10aed96e6339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6af38e432c02ff9315ddaf56b3385f499c709b45063cfee7067e10aed96e6339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af38e432c02ff9315ddaf56b3385f499c709b45063cfee7067e10aed96e6339", kill_on_drop: false }`
[INFO] [stdout] 6af38e432c02ff9315ddaf56b3385f499c709b45063cfee7067e10aed96e6339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f34aa5120c28ccaa2d8fd8a095d566aca8261596d3187aaaec92d6f5f72afaa7
[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" "f34aa5120c28ccaa2d8fd8a095d566aca8261596d3187aaaec92d6f5f72afaa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
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[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling tokio v1.11.0
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[INFO] [stderr]     Checking tinyvec v1.3.1
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[INFO] [stderr]     Checking getopts v0.2.21
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[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking servo_arc v0.1.1
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[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]    Compiling cssparser v0.27.2
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[INFO] [stderr]     Checking hyper v0.14.12
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
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[INFO] [stderr]     Checking reqwest v0.11.4
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[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]     Checking html2text v0.2.1
[INFO] [stderr]     Checking milcheck v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/event.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     input_handle: JoinHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/event.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tick_handle: JoinHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finish`
[INFO] [stdout]   --> src/event.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/event.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     input_handle: JoinHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/event.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tick_handle: JoinHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finish`
[INFO] [stdout]   --> src/event.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "f34aa5120c28ccaa2d8fd8a095d566aca8261596d3187aaaec92d6f5f72afaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34aa5120c28ccaa2d8fd8a095d566aca8261596d3187aaaec92d6f5f72afaa7", kill_on_drop: false }`
[INFO] [stdout] f34aa5120c28ccaa2d8fd8a095d566aca8261596d3187aaaec92d6f5f72afaa7