[INFO] fetching crate nyl 0.1.0...
[INFO] checking nyl-0.1.0 against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] extracting crate nyl 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nyl 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nyl 0.1.0
[INFO] tweaked toml for crates.io crate nyl 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nyl 0.1.0 on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nyl 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json-patch v2.0.0
[INFO] [stderr]   Downloaded kube-core v0.95.0
[INFO] [stderr]   Downloaded kube v0.95.0
[INFO] [stderr]   Downloaded headers-core v0.3.0
[INFO] [stderr]   Downloaded kube-derive v0.95.0
[INFO] [stderr]   Downloaded hyper-http-proxy v1.1.0
[INFO] [stderr]   Downloaded jsonptr v0.4.7
[INFO] [stderr]   Downloaded serde_norway v0.9.42
[INFO] [stderr]   Downloaded headers v0.4.1
[INFO] [stderr]   Downloaded kube-client v0.95.0
[INFO] [stderr]   Downloaded unsafe-libyaml-norway v0.2.15
[INFO] [stderr]   Downloaded kube-runtime v0.95.0
[INFO] [stderr]   Downloaded jsonpath-rust v0.5.1
[INFO] [stderr]   Downloaded minijinja v2.14.0
[INFO] [stderr]   Downloaded k8s-openapi v0.23.0
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61aedab2566f040cc81868d1a295bb4876a3716f7c8f2c00fb13e5b90b2b80f7
[INFO] running `Command { std: "docker" "start" "-a" "61aedab2566f040cc81868d1a295bb4876a3716f7c8f2c00fb13e5b90b2b80f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61aedab2566f040cc81868d1a295bb4876a3716f7c8f2c00fb13e5b90b2b80f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61aedab2566f040cc81868d1a295bb4876a3716f7c8f2c00fb13e5b90b2b80f7", kill_on_drop: false }`
[INFO] [stdout] 61aedab2566f040cc81868d1a295bb4876a3716f7c8f2c00fb13e5b90b2b80f7
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6900100f9ff17601735faed786d096baeb09cc31e07d5d88e7a94586bdbf696
[INFO] running `Command { std: "docker" "start" "-a" "b6900100f9ff17601735faed786d096baeb09cc31e07d5d88e7a94586bdbf696", kill_on_drop: false }`
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[INFO] [stderr]    Compiling assert_cmd v2.1.2
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[INFO] [stderr]     Checking backoff v0.4.0
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[INFO] [stderr]     Checking hyper-timeout v0.5.2
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[INFO] [stderr]     Checking nyl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/template_rendering.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             black_box(result);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let _ = black_box(result);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/template_rendering.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             black_box(result);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let _ = black_box(result);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/template_rendering.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             black_box(result);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let _ = black_box(result);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> benches/template_rendering.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             black_box(result);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let _ = black_box(result);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> benches/template_rendering.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 black_box(result);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 let _ = black_box(result);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 33s
[INFO] running `Command { std: "docker" "inspect" "b6900100f9ff17601735faed786d096baeb09cc31e07d5d88e7a94586bdbf696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6900100f9ff17601735faed786d096baeb09cc31e07d5d88e7a94586bdbf696", kill_on_drop: false }`
[INFO] [stdout] b6900100f9ff17601735faed786d096baeb09cc31e07d5d88e7a94586bdbf696