[INFO] cloning repository https://github.com/cosmicoptima/celeste.exposed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosmicoptima/celeste.exposed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmicoptima%2Fceleste.exposed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmicoptima%2Fceleste.exposed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f98632f9891cef151f512f627dd64bf3e913810c
[INFO] checking cosmicoptima/celeste.exposed against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmicoptima%2Fceleste.exposed" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cosmicoptima/celeste.exposed 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/cosmicoptima/celeste.exposed
[INFO] finished tweaking git repo https://github.com/cosmicoptima/celeste.exposed
[INFO] tweaked toml for git repo https://github.com/cosmicoptima/celeste.exposed written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cosmicoptima/celeste.exposed 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]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/lawliet89/rocket_cors`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf v0.11.0
[INFO] [stderr]   Downloaded phf_shared v0.11.0
[INFO] [stderr]   Downloaded phf_codegen v0.11.0
[INFO] [stderr]   Downloaded tera v1.16.0
[INFO] [stderr]   Downloaded unicase_serde v0.1.0
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.8
[INFO] [stderr]   Downloaded ref-cast v1.0.8
[INFO] [stderr]   Downloaded rustversion v1.0.8
[INFO] [stderr]   Downloaded time v0.3.11
[INFO] [stderr]   Downloaded combine v4.6.4
[INFO] [stderr]   Downloaded redis v0.21.5
[INFO] [stderr]   Downloaded onig_sys v69.8.0
[INFO] [stderr]   Downloaded phf_generator v0.11.0
[INFO] [stderr]   Downloaded rocket-client-addr v0.5.2
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f09f93b45a7d59220bbab5061a3f40f39fdd978749cfc422b6fe6f453624a89
[INFO] running `Command { std: "docker" "start" "-a" "9f09f93b45a7d59220bbab5061a3f40f39fdd978749cfc422b6fe6f453624a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f09f93b45a7d59220bbab5061a3f40f39fdd978749cfc422b6fe6f453624a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f09f93b45a7d59220bbab5061a3f40f39fdd978749cfc422b6fe6f453624a89", kill_on_drop: false }`
[INFO] [stdout] 9f09f93b45a7d59220bbab5061a3f40f39fdd978749cfc422b6fe6f453624a89
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8be50800945c6702ecc0ea2cc4db4d45bcc4fd8ec731941ac8fb433040bd6c1
[INFO] running `Command { std: "docker" "start" "-a" "e8be50800945c6702ecc0ea2cc4db4d45bcc4fd8ec731941ac8fb433040bd6c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stderr]    Compiling indexmap v1.9.1
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[INFO] [stderr]    Compiling encoding_rs v0.8.31
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling chrono-tz v0.6.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]     Checking object v0.29.0
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[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.2
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[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:231:55
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let res = poll::PollDB::new().unwrap().get(poll_id.clone());
[INFO] [stdout]     |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:231:55
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let res = poll::PollDB::new().unwrap().get(poll_id.clone());
[INFO] [stdout]     |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.92s
[INFO] running `Command { std: "docker" "inspect" "e8be50800945c6702ecc0ea2cc4db4d45bcc4fd8ec731941ac8fb433040bd6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8be50800945c6702ecc0ea2cc4db4d45bcc4fd8ec731941ac8fb433040bd6c1", kill_on_drop: false }`
[INFO] [stdout] e8be50800945c6702ecc0ea2cc4db4d45bcc4fd8ec731941ac8fb433040bd6c1