[INFO] cloning repository https://github.com/Raven-Book/raven-oss-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Raven-Book/raven-oss-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaven-Book%2Fraven-oss-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaven-Book%2Fraven-oss-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d04474df23209c62de2295a8ff18b302f442b6d
[INFO] checking Raven-Book/raven-oss-tools against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaven-Book%2Fraven-oss-tools" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Raven-Book/raven-oss-tools on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Raven-Book/raven-oss-tools
[INFO] finished tweaking git repo https://github.com/Raven-Book/raven-oss-tools
[INFO] tweaked toml for git repo https://github.com/Raven-Book/raven-oss-tools written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Raven-Book/raven-oss-tools 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.60.7
[INFO] [stderr]   Downloaded aws-smithy-async v1.2.0
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.60.4
[INFO] [stderr]   Downloaded aws-smithy-runtime-api v1.2.0
[INFO] [stderr]   Downloaded aws-smithy-runtime v1.1.8
[INFO] [stderr]   Downloaded aws-sdk-s3 v1.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b4f4059b9d26fd136a6f02f7ce8979634f31e330ad2ebfe5407d999db1ce2c5
[INFO] running `Command { std: "docker" "start" "-a" "2b4f4059b9d26fd136a6f02f7ce8979634f31e330ad2ebfe5407d999db1ce2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4f4059b9d26fd136a6f02f7ce8979634f31e330ad2ebfe5407d999db1ce2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4f4059b9d26fd136a6f02f7ce8979634f31e330ad2ebfe5407d999db1ce2c5", kill_on_drop: false }`
[INFO] [stdout] 2b4f4059b9d26fd136a6f02f7ce8979634f31e330ad2ebfe5407d999db1ce2c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b5eaf79559bac06e4bb6696c0169d85cd6659477edd755eb02189106df4f99f
[INFO] running `Command { std: "docker" "start" "-a" "1b5eaf79559bac06e4bb6696c0169d85cd6659477edd755eb02189106df4f99f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling aws-types v1.1.8
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
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[INFO] [stderr]    Compiling serde_derive v1.0.197
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[INFO] [stderr]     Checking aws-runtime v1.1.8
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[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking aws-smithy-runtime v1.1.8
[INFO] [stderr]     Checking aws-sdk-sts v1.18.0
[INFO] [stderr]     Checking aws-sdk-ssooidc v1.18.0
[INFO] [stderr]     Checking aws-sdk-sso v1.18.0
[INFO] [stderr]     Checking aws-sdk-s3 v1.21.0
[INFO] [stderr]     Checking aws-config v1.1.9
[INFO] [stderr]     Checking raven-oss-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[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` profile [unoptimized + debuginfo] target(s) in 47.55s
[INFO] running `Command { std: "docker" "inspect" "1b5eaf79559bac06e4bb6696c0169d85cd6659477edd755eb02189106df4f99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5eaf79559bac06e4bb6696c0169d85cd6659477edd755eb02189106df4f99f", kill_on_drop: false }`
[INFO] [stdout] 1b5eaf79559bac06e4bb6696c0169d85cd6659477edd755eb02189106df4f99f