[INFO] fetching crate recho 1.0.2...
[INFO] building recho-1.0.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate recho 1.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate recho 1.0.2
[INFO] finished tweaking crates.io crate recho 1.0.2
[INFO] tweaked toml for crates.io crate recho 1.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate recho 1.0.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate recho 1.0.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54b5edb1e4748239549395e560038148baa35d794751a7bedbdb0437cb910427
[INFO] running `Command { std: "docker" "start" "-a" "54b5edb1e4748239549395e560038148baa35d794751a7bedbdb0437cb910427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b5edb1e4748239549395e560038148baa35d794751a7bedbdb0437cb910427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b5edb1e4748239549395e560038148baa35d794751a7bedbdb0437cb910427", kill_on_drop: false }`
[INFO] [stdout] 54b5edb1e4748239549395e560038148baa35d794751a7bedbdb0437cb910427
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c24f185f944cff8d081a4b3353ce94cfb41de0958ee18e581471ab52ee4673
[INFO] running `Command { std: "docker" "start" "-a" "51c24f185f944cff8d081a4b3353ce94cfb41de0958ee18e581471ab52ee4673", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.20.0
[INFO] [stderr]    Compiling recho v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "51c24f185f944cff8d081a4b3353ce94cfb41de0958ee18e581471ab52ee4673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c24f185f944cff8d081a4b3353ce94cfb41de0958ee18e581471ab52ee4673", kill_on_drop: false }`
[INFO] [stdout] 51c24f185f944cff8d081a4b3353ce94cfb41de0958ee18e581471ab52ee4673
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de25fb32582af3f11749b5f55343040d2adee980184c76fa88dfde2d936c332
[INFO] running `Command { std: "docker" "start" "-a" "8de25fb32582af3f11749b5f55343040d2adee980184c76fa88dfde2d936c332", kill_on_drop: false }`
[INFO] [stderr]    Compiling recho v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8de25fb32582af3f11749b5f55343040d2adee980184c76fa88dfde2d936c332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de25fb32582af3f11749b5f55343040d2adee980184c76fa88dfde2d936c332", kill_on_drop: false }`
[INFO] [stdout] 8de25fb32582af3f11749b5f55343040d2adee980184c76fa88dfde2d936c332