[INFO] fetching crate rust-beam 0.3.0...
[INFO] building rust-beam-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rust-beam 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rust-beam 0.3.0
[INFO] finished tweaking crates.io crate rust-beam 0.3.0
[INFO] tweaked toml for crates.io crate rust-beam 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-beam 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-beam 0.3.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cce1c5a162451c3b1aab0b9050379b95dc920c296ff587138129f3c9adaeafe2
[INFO] running `Command { std: "docker" "start" "-a" "cce1c5a162451c3b1aab0b9050379b95dc920c296ff587138129f3c9adaeafe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cce1c5a162451c3b1aab0b9050379b95dc920c296ff587138129f3c9adaeafe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce1c5a162451c3b1aab0b9050379b95dc920c296ff587138129f3c9adaeafe2", kill_on_drop: false }`
[INFO] [stdout] cce1c5a162451c3b1aab0b9050379b95dc920c296ff587138129f3c9adaeafe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee5cf6748b2f53ce2e804fc98746e67e39f77d02c1ede76257ab92c5324746f
[INFO] running `Command { std: "docker" "start" "-a" "6ee5cf6748b2f53ce2e804fc98746e67e39f77d02c1ede76257ab92c5324746f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-beam v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current_slide` is never read
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 current_slide = Slide::default();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     push_slide!();
[INFO] [stdout]     |     ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `push_slide` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "6ee5cf6748b2f53ce2e804fc98746e67e39f77d02c1ede76257ab92c5324746f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee5cf6748b2f53ce2e804fc98746e67e39f77d02c1ede76257ab92c5324746f", kill_on_drop: false }`
[INFO] [stdout] 6ee5cf6748b2f53ce2e804fc98746e67e39f77d02c1ede76257ab92c5324746f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b83a534365aa64db8ee04c510ef044e96413cfc8843591d1e76e192303a9657a
[INFO] running `Command { std: "docker" "start" "-a" "b83a534365aa64db8ee04c510ef044e96413cfc8843591d1e76e192303a9657a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-beam v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current_slide` is never read
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 current_slide = Slide::default();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     push_slide!();
[INFO] [stdout]     |     ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `push_slide` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "b83a534365aa64db8ee04c510ef044e96413cfc8843591d1e76e192303a9657a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83a534365aa64db8ee04c510ef044e96413cfc8843591d1e76e192303a9657a", kill_on_drop: false }`
[INFO] [stdout] b83a534365aa64db8ee04c510ef044e96413cfc8843591d1e76e192303a9657a