[INFO] fetching crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808...
[INFO] checking my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds-0.1.9001900190011337808 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808
[INFO] finished tweaking crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808
[INFO] tweaked toml for crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf7f3061b9067b4128981d6267d1151f105d3ccc56abce534db0498a3a60470d
[INFO] running `Command { std: "docker" "start" "-a" "cf7f3061b9067b4128981d6267d1151f105d3ccc56abce534db0498a3a60470d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf7f3061b9067b4128981d6267d1151f105d3ccc56abce534db0498a3a60470d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7f3061b9067b4128981d6267d1151f105d3ccc56abce534db0498a3a60470d", kill_on_drop: false }`
[INFO] [stdout] cf7f3061b9067b4128981d6267d1151f105d3ccc56abce534db0498a3a60470d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 840b21204950bccbb8fae89645a3c38cd75f902fcd886d1e4351148f70d959b6
[INFO] running `Command { std: "docker" "start" "-a" "840b21204950bccbb8fae89645a3c38cd75f902fcd886d1e4351148f70d959b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds v0.1.9001900190011337808 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "840b21204950bccbb8fae89645a3c38cd75f902fcd886d1e4351148f70d959b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840b21204950bccbb8fae89645a3c38cd75f902fcd886d1e4351148f70d959b6", kill_on_drop: false }`
[INFO] [stdout] 840b21204950bccbb8fae89645a3c38cd75f902fcd886d1e4351148f70d959b6