[INFO] fetching crate Ds_minigrep 0.1.0...
[INFO] checking Ds_minigrep-0.1.0 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate Ds_minigrep 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate Ds_minigrep 0.1.0
[INFO] finished tweaking crates.io crate Ds_minigrep 0.1.0
[INFO] tweaked toml for crates.io crate Ds_minigrep 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate Ds_minigrep 0.1.0 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate Ds_minigrep 0.1.0 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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aca5fca31abcd3fc43b773d05fe60a649da50d8203bb8c2952116c94314055be
[INFO] running `Command { std: "docker" "start" "-a" "aca5fca31abcd3fc43b773d05fe60a649da50d8203bb8c2952116c94314055be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca5fca31abcd3fc43b773d05fe60a649da50d8203bb8c2952116c94314055be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca5fca31abcd3fc43b773d05fe60a649da50d8203bb8c2952116c94314055be", kill_on_drop: false }`
[INFO] [stdout] aca5fca31abcd3fc43b773d05fe60a649da50d8203bb8c2952116c94314055be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5a868d6dcc40ddc97df27e684475ef647a5243786c2060cb708d51ff5a0770f
[INFO] running `Command { std: "docker" "start" "-a" "f5a868d6dcc40ddc97df27e684475ef647a5243786c2060cb708d51ff5a0770f", kill_on_drop: false }`
[INFO] [stderr]     Checking Ds_minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Ds_minigrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `ds_minigrep`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] [FMTARGS] {"crate":"Ds_minigrep","loc":"src/main.rs:7:18","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"Ds_minigrep","loc":"src/main.rs:12:18","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"Ds_minigrep","loc":"src/main.rs:28:17","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"Ds_minigrep","loc":"src/main.rs:7:18","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"Ds_minigrep","loc":"src/main.rs:12:18","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"Ds_minigrep","loc":"src/main.rs:28:17","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "f5a868d6dcc40ddc97df27e684475ef647a5243786c2060cb708d51ff5a0770f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a868d6dcc40ddc97df27e684475ef647a5243786c2060cb708d51ff5a0770f", kill_on_drop: false }`
[INFO] [stdout] f5a868d6dcc40ddc97df27e684475ef647a5243786c2060cb708d51ff5a0770f