[INFO] fetching crate xrl 0.0.9...
[INFO] checking xrl-0.0.9 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate xrl 0.0.9 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate xrl 0.0.9 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xrl 0.0.9
[INFO] finished tweaking crates.io crate xrl 0.0.9
[INFO] tweaked toml for crates.io crate xrl 0.0.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate xrl 0.0.9 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plist v0.4.2
[INFO] [stderr]   Downloaded tokio-process v0.2.5
[INFO] [stderr]   Downloaded clippy v0.0.302
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[INFO] [stderr]   Downloaded line-wrap v0.1.1
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[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded futures v0.1.30
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded syntect v3.3.0
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7931d4bd5f256d0bf423156d4f9d020cb37a2a57ac794cd5ffb3579a198a4a33
[INFO] running `Command { std: "docker" "start" "-a" "7931d4bd5f256d0bf423156d4f9d020cb37a2a57ac794cd5ffb3579a198a4a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7931d4bd5f256d0bf423156d4f9d020cb37a2a57ac794cd5ffb3579a198a4a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7931d4bd5f256d0bf423156d4f9d020cb37a2a57ac794cd5ffb3579a198a4a33", kill_on_drop: false }`
[INFO] [stdout] 7931d4bd5f256d0bf423156d4f9d020cb37a2a57ac794cd5ffb3579a198a4a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 710d4a0c03b6b6edc15971b2ad14e67b48f9703f6e03e4834afa3fd94f12c8db
[INFO] running `Command { std: "docker" "start" "-a" "710d4a0c03b6b6edc15971b2ad14e67b48f9703f6e03e4834afa3fd94f12c8db", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling cast v0.2.3
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[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking syntect v3.3.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking xrl v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Ack` and `Response`
[INFO] [stdout]  --> src/protocol/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::client::{Ack, Client, Response};
[INFO] [stdout]   |                        ^^^          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::plugins::Plugin`
[INFO] [stdout]   --> src/structs/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use self::plugins::Plugin;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ack` and `Response`
[INFO] [stdout]  --> src/protocol/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::client::{Ack, Client, Response};
[INFO] [stdout]   |                        ^^^          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::plugins::Plugin`
[INFO] [stdout]   --> src/structs/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use self::plugins::Plugin;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "710d4a0c03b6b6edc15971b2ad14e67b48f9703f6e03e4834afa3fd94f12c8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710d4a0c03b6b6edc15971b2ad14e67b48f9703f6e03e4834afa3fd94f12c8db", kill_on_drop: false }`
[INFO] [stdout] 710d4a0c03b6b6edc15971b2ad14e67b48f9703f6e03e4834afa3fd94f12c8db