[INFO] fetching crate auto-version 0.2.1...
[INFO] checking auto-version-0.2.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate auto-version 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate auto-version 0.2.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto-version 0.2.1
[INFO] finished tweaking crates.io crate auto-version 0.2.1
[INFO] tweaked toml for crates.io crate auto-version 0.2.1 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c477c69fc5b1b5c8903d509b7b827db04b1fceb7dce731e97164eb9772ec3a71
[INFO] running `Command { std: "docker" "start" "-a" "c477c69fc5b1b5c8903d509b7b827db04b1fceb7dce731e97164eb9772ec3a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c477c69fc5b1b5c8903d509b7b827db04b1fceb7dce731e97164eb9772ec3a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c477c69fc5b1b5c8903d509b7b827db04b1fceb7dce731e97164eb9772ec3a71", kill_on_drop: false }`
[INFO] [stdout] c477c69fc5b1b5c8903d509b7b827db04b1fceb7dce731e97164eb9772ec3a71
[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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729ec42c52fdec72ea1696a4aac27a62a45909cdda04bc3746931f2fe01ecda1
[INFO] running `Command { std: "docker" "start" "-a" "729ec42c52fdec72ea1696a4aac27a62a45909cdda04bc3746931f2fe01ecda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking auto-version v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> tests/test_lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let output = Command::new("cargo")
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "729ec42c52fdec72ea1696a4aac27a62a45909cdda04bc3746931f2fe01ecda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729ec42c52fdec72ea1696a4aac27a62a45909cdda04bc3746931f2fe01ecda1", kill_on_drop: false }`
[INFO] [stdout] 729ec42c52fdec72ea1696a4aac27a62a45909cdda04bc3746931f2fe01ecda1
[INFO] checking auto-version-0.2.1 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate auto-version 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate auto-version 0.2.1 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto-version 0.2.1
[INFO] finished tweaking crates.io crate auto-version 0.2.1
[INFO] tweaked toml for crates.io crate auto-version 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05ddfd2293ea1afeb54de076a80befe4b3d0f97a6dd74d2ad13f89df5a027a47
[INFO] running `Command { std: "docker" "start" "-a" "05ddfd2293ea1afeb54de076a80befe4b3d0f97a6dd74d2ad13f89df5a027a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ddfd2293ea1afeb54de076a80befe4b3d0f97a6dd74d2ad13f89df5a027a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ddfd2293ea1afeb54de076a80befe4b3d0f97a6dd74d2ad13f89df5a027a47", kill_on_drop: false }`
[INFO] [stdout] 05ddfd2293ea1afeb54de076a80befe4b3d0f97a6dd74d2ad13f89df5a027a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c319b4b9444847ccea50a79fe059a001d6f44c2e7bf991d288256f89c3657d
[INFO] running `Command { std: "docker" "start" "-a" "08c319b4b9444847ccea50a79fe059a001d6f44c2e7bf991d288256f89c3657d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking auto-version v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> tests/test_lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let output = Command::new("cargo")
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "08c319b4b9444847ccea50a79fe059a001d6f44c2e7bf991d288256f89c3657d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c319b4b9444847ccea50a79fe059a001d6f44c2e7bf991d288256f89c3657d", kill_on_drop: false }`
[INFO] [stdout] 08c319b4b9444847ccea50a79fe059a001d6f44c2e7bf991d288256f89c3657d
