[INFO] fetching crate sfn-ng 0.2.18...
[INFO] checking sfn-ng-0.2.18 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate sfn-ng 0.2.18 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate sfn-ng 0.2.18 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sfn-ng 0.2.18
[INFO] finished tweaking crates.io crate sfn-ng 0.2.18
[INFO] tweaked toml for crates.io crate sfn-ng 0.2.18 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate sfn-ng 0.2.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusoto_sts v0.46.0
[INFO] [stderr]   Downloaded whoami v1.1.2
[INFO] [stderr]   Downloaded string_morph v0.1.0
[INFO] [stderr]   Downloaded rusoto_cloudformation v0.46.0
[INFO] [stderr]   Downloaded rusoto_ec2 v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc6c3fcacc99e6735d2abea303ed1854d0529624496bea0304fb6464de0af367
[INFO] running `Command { std: "docker" "start" "-a" "bc6c3fcacc99e6735d2abea303ed1854d0529624496bea0304fb6464de0af367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc6c3fcacc99e6735d2abea303ed1854d0529624496bea0304fb6464de0af367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6c3fcacc99e6735d2abea303ed1854d0529624496bea0304fb6464de0af367", kill_on_drop: false }`
[INFO] [stdout] bc6c3fcacc99e6735d2abea303ed1854d0529624496bea0304fb6464de0af367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f07ca723d7ecbdd02aeefeea65d59be9cef4f8e656709d5fc873f95e8a533d5
[INFO] running `Command { std: "docker" "start" "-a" "9f07ca723d7ecbdd02aeefeea65d59be9cef4f8e656709d5fc873f95e8a533d5", kill_on_drop: false }`
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[INFO] [stderr]     Checking sfn-ng v0.2.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Case`, `Casing`
[INFO] [stdout]   --> src/main.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | use convert_case::{Case, Casing};
[INFO] [stdout]    |                    ^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Case`, `Casing`
[INFO] [stdout]   --> src/main.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | use convert_case::{Case, Casing};
[INFO] [stdout]    |                    ^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "9f07ca723d7ecbdd02aeefeea65d59be9cef4f8e656709d5fc873f95e8a533d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f07ca723d7ecbdd02aeefeea65d59be9cef4f8e656709d5fc873f95e8a533d5", kill_on_drop: false }`
[INFO] [stdout] 9f07ca723d7ecbdd02aeefeea65d59be9cef4f8e656709d5fc873f95e8a533d5