[INFO] fetching crate decorum 0.3.1...
[INFO] checking decorum-0.3.1 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate decorum 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate decorum 0.3.1 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decorum 0.3.1
[INFO] finished tweaking crates.io crate decorum 0.3.1
[INFO] tweaked toml for crates.io crate decorum 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "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 num-rational v0.2.4
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48b4872ec406c9c3936feb94a991a9479d9d001a32b55409d4af856560842187
[INFO] running `Command { std: "docker" "start" "-a" "48b4872ec406c9c3936feb94a991a9479d9d001a32b55409d4af856560842187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b4872ec406c9c3936feb94a991a9479d9d001a32b55409d4af856560842187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b4872ec406c9c3936feb94a991a9479d9d001a32b55409d4af856560842187", kill_on_drop: false }`
[INFO] [stdout] 48b4872ec406c9c3936feb94a991a9479d9d001a32b55409d4af856560842187
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d9a3a12666ecff41fb16573688c117e492ebca20908d8a3f57b5cc424317ba
[INFO] running `Command { std: "docker" "start" "-a" "a6d9a3a12666ecff41fb16573688c117e492ebca20908d8a3f57b5cc424317ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking decorum v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Finite` is imported redundantly
[INFO] [stdout]     --> src/proxy.rs:1792:17
[INFO] [stdout]      |
[INFO] [stdout] 1791 |     use super::*;
[INFO] [stdout]      |         -------- the item `Finite` is already imported here
[INFO] [stdout] 1792 |     use crate::{Finite, NotNan, Total, N32, R32};
[INFO] [stdout]      |                 ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NotNan` is imported redundantly
[INFO] [stdout]     --> src/proxy.rs:1792:25
[INFO] [stdout]      |
[INFO] [stdout] 1791 |     use super::*;
[INFO] [stdout]      |         -------- the item `NotNan` is already imported here
[INFO] [stdout] 1792 |     use crate::{Finite, NotNan, Total, N32, R32};
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Total` is imported redundantly
[INFO] [stdout]     --> src/proxy.rs:1792:33
[INFO] [stdout]      |
[INFO] [stdout] 1791 |     use super::*;
[INFO] [stdout]      |         -------- the item `Total` is already imported here
[INFO] [stdout] 1792 |     use crate::{Finite, NotNan, Total, N32, R32};
[INFO] [stdout]      |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `N32` is imported redundantly
[INFO] [stdout]     --> src/proxy.rs:1792:40
[INFO] [stdout]      |
[INFO] [stdout] 1791 |     use super::*;
[INFO] [stdout]      |         -------- the item `N32` is already imported here
[INFO] [stdout] 1792 |     use crate::{Finite, NotNan, Total, N32, R32};
[INFO] [stdout]      |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `R32` is imported redundantly
[INFO] [stdout]     --> src/proxy.rs:1792:45
[INFO] [stdout]      |
[INFO] [stdout] 1791 |     use super::*;
[INFO] [stdout]      |         -------- the item `R32` is already imported here
[INFO] [stdout] 1792 |     use crate::{Finite, NotNan, Total, N32, R32};
[INFO] [stdout]      |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.89s
[INFO] running `Command { std: "docker" "inspect" "a6d9a3a12666ecff41fb16573688c117e492ebca20908d8a3f57b5cc424317ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d9a3a12666ecff41fb16573688c117e492ebca20908d8a3f57b5cc424317ba", kill_on_drop: false }`
[INFO] [stdout] a6d9a3a12666ecff41fb16573688c117e492ebca20908d8a3f57b5cc424317ba