[INFO] cloning repository https://github.com/Broyojo/bluebox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Broyojo/bluebox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBroyojo%2Fbluebox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBroyojo%2Fbluebox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5a254b773bd9d5b341d1c570704dd31827eb4b1
[INFO] building Broyojo/bluebox 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%2FBroyojo%2Fbluebox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Broyojo/bluebox 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/Broyojo/bluebox
[INFO] finished tweaking git repo https://github.com/Broyojo/bluebox
[INFO] tweaked toml for git repo https://github.com/Broyojo/bluebox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Broyojo/bluebox 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e846cfad9ceaa07946d78cb829ad47acc007b158400ab51c11b75a803743f981
[INFO] running `Command { std: "docker" "start" "-a" "e846cfad9ceaa07946d78cb829ad47acc007b158400ab51c11b75a803743f981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e846cfad9ceaa07946d78cb829ad47acc007b158400ab51c11b75a803743f981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e846cfad9ceaa07946d78cb829ad47acc007b158400ab51c11b75a803743f981", kill_on_drop: false }`
[INFO] [stdout] e846cfad9ceaa07946d78cb829ad47acc007b158400ab51c11b75a803743f981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4dbea7e5a405cb90874b2caf7a1178f20d1486b1acb40df2019c3c23add0834a
[INFO] running `Command { std: "docker" "start" "-a" "4dbea7e5a405cb90874b2caf7a1178f20d1486b1acb40df2019c3c23add0834a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bluebox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `IO` is never constructed
[INFO] [stdout]    --> src/main.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 91  | enum Instruction {
[INFO] [stdout]     |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 114 |     IO,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4dbea7e5a405cb90874b2caf7a1178f20d1486b1acb40df2019c3c23add0834a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbea7e5a405cb90874b2caf7a1178f20d1486b1acb40df2019c3c23add0834a", kill_on_drop: false }`
[INFO] [stdout] 4dbea7e5a405cb90874b2caf7a1178f20d1486b1acb40df2019c3c23add0834a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a66c1ffea5e6b52f772c5166bdedb1a66150fc051bd51dd0401534af1bf377ed
[INFO] running `Command { std: "docker" "start" "-a" "a66c1ffea5e6b52f772c5166bdedb1a66150fc051bd51dd0401534af1bf377ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling bluebox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `IO` is never constructed
[INFO] [stdout]    --> src/main.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 91  | enum Instruction {
[INFO] [stdout]     |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 114 |     IO,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "a66c1ffea5e6b52f772c5166bdedb1a66150fc051bd51dd0401534af1bf377ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66c1ffea5e6b52f772c5166bdedb1a66150fc051bd51dd0401534af1bf377ed", kill_on_drop: false }`
[INFO] [stdout] a66c1ffea5e6b52f772c5166bdedb1a66150fc051bd51dd0401534af1bf377ed