[INFO] cloning repository https://github.com/acdibble/rjson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acdibble/rjson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facdibble%2Frjson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facdibble%2Frjson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55da05f9c39f709220c28e84e5c9b34eb7e375f6
[INFO] building acdibble/rjson against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facdibble%2Frjson" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acdibble/rjson on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/acdibble/rjson
[INFO] finished tweaking git repo https://github.com/acdibble/rjson
[INFO] tweaked toml for git repo https://github.com/acdibble/rjson written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/acdibble/rjson 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 841b7169c2973a478a6752b604e93110591cfde2ec8c59eb4436c0e05c8e1fd8
[INFO] running `Command { std: "docker" "start" "-a" "841b7169c2973a478a6752b604e93110591cfde2ec8c59eb4436c0e05c8e1fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "841b7169c2973a478a6752b604e93110591cfde2ec8c59eb4436c0e05c8e1fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841b7169c2973a478a6752b604e93110591cfde2ec8c59eb4436c0e05c8e1fd8", kill_on_drop: false }`
[INFO] [stdout] 841b7169c2973a478a6752b604e93110591cfde2ec8c59eb4436c0e05c8e1fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda635e6b5815cc8dfe7694d59ba35ef1f9346c980a376dcc4285cc086149e7c
[INFO] running `Command { std: "docker" "start" "-a" "cda635e6b5815cc8dfe7694d59ba35ef1f9346c980a376dcc4285cc086149e7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rjson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Value` and `parse`
[INFO] [stdout]    --> src/main.rs:294:17
[INFO] [stdout]     |
[INFO] [stdout] 294 |     use crate::{parse, Value};
[INFO] [stdout]     |                 ^^^^^  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/main.rs:293:1
[INFO] [stdout]     |
[INFO] [stdout] 293 | mod test {
[INFO] [stdout]     | ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "cda635e6b5815cc8dfe7694d59ba35ef1f9346c980a376dcc4285cc086149e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda635e6b5815cc8dfe7694d59ba35ef1f9346c980a376dcc4285cc086149e7c", kill_on_drop: false }`
[INFO] [stdout] cda635e6b5815cc8dfe7694d59ba35ef1f9346c980a376dcc4285cc086149e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0920c69575a9dec96cee30eedf3edf4b7b3483378573c8772936ef19390b176
[INFO] running `Command { std: "docker" "start" "-a" "c0920c69575a9dec96cee30eedf3edf4b7b3483378573c8772936ef19390b176", kill_on_drop: false }`
[INFO] [stderr]    Compiling rjson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "c0920c69575a9dec96cee30eedf3edf4b7b3483378573c8772936ef19390b176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0920c69575a9dec96cee30eedf3edf4b7b3483378573c8772936ef19390b176", kill_on_drop: false }`
[INFO] [stdout] c0920c69575a9dec96cee30eedf3edf4b7b3483378573c8772936ef19390b176