[INFO] fetching crate renvy 0.1.6...
[INFO] checking renvy-0.1.6 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate renvy 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate renvy 0.1.6 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate renvy 0.1.6
[INFO] finished tweaking crates.io crate renvy 0.1.6
[INFO] tweaked toml for crates.io crate renvy 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate renvy 0.1.6 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded librenvy v0.1.6
[INFO] [stderr]   Downloaded uname v0.1.1
[INFO] [stderr]   Downloaded attohttpc v0.25.0
[INFO] [stderr]   Downloaded evalexpr v11.0.0
[INFO] [stderr]   Downloaded ctrlc v3.4.0
[INFO] [stderr]   Downloaded duckscriptsdk v0.8.20
[INFO] [stderr]   Downloaded duckscript v0.7.5
[INFO] [stderr]   Downloaded java-properties v2.0.0
[INFO] [stderr]   Downloaded git_info v0.1.2
[INFO] [stderr]   Downloaded shell2batch v0.4.5
[INFO] [stderr]   Downloaded fsio v0.4.0
[INFO] [stderr]   Downloaded cliparser v0.1.2
[INFO] [stderr]   Downloaded ci_info v0.14.10
[INFO] [stderr]   Downloaded envmnt v0.10.4
[INFO] [stderr]   Downloaded run_script v0.10.1
[INFO] [stderr]   Downloaded rust_info v0.3.2
[INFO] [stderr]   Downloaded cargo-make v0.35.16
[INFO] [stderr]   Downloaded suppaftp v5.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35e7b54bbbacf4773e835f7cc36d1e2a5d89abeb08f7413a0dcb450936857583
[INFO] running `Command { std: "docker" "start" "-a" "35e7b54bbbacf4773e835f7cc36d1e2a5d89abeb08f7413a0dcb450936857583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e7b54bbbacf4773e835f7cc36d1e2a5d89abeb08f7413a0dcb450936857583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e7b54bbbacf4773e835f7cc36d1e2a5d89abeb08f7413a0dcb450936857583", kill_on_drop: false }`
[INFO] [stdout] 35e7b54bbbacf4773e835f7cc36d1e2a5d89abeb08f7413a0dcb450936857583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cfaebd72e32ba35bc9e767b28c87efa5d524dda5469913e814dd05ccae3ca23
[INFO] running `Command { std: "docker" "start" "-a" "7cfaebd72e32ba35bc9e767b28c87efa5d524dda5469913e814dd05ccae3ca23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
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[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
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[INFO] [stderr]     Checking cargo_metadata v0.15.4
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[INFO] [stderr]     Checking renvy v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `renvy` is imported redundantly
[INFO] [stdout]   --> src/bin/renvy.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use renvy;
[INFO] [stdout]    |     ^^^^^ the item `renvy` is already defined by prelude
[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: the item `renvy` is imported redundantly
[INFO] [stdout]   --> src/bin/renvy.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use renvy;
[INFO] [stdout]    |     ^^^^^ the item `renvy` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.55s
[INFO] running `Command { std: "docker" "inspect" "7cfaebd72e32ba35bc9e767b28c87efa5d524dda5469913e814dd05ccae3ca23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfaebd72e32ba35bc9e767b28c87efa5d524dda5469913e814dd05ccae3ca23", kill_on_drop: false }`
[INFO] [stdout] 7cfaebd72e32ba35bc9e767b28c87efa5d524dda5469913e814dd05ccae3ca23