[INFO] fetching crate encoding8 0.3.2...
[INFO] checking encoding8-0.3.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate encoding8 0.3.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate encoding8 0.3.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate encoding8 0.3.2
[INFO] finished tweaking crates.io crate encoding8 0.3.2
[INFO] tweaked toml for crates.io crate encoding8 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68c3f04ad5478acc879c629525cb9c2a55bf3a715a3322cf8dcad9ccc028e702
[INFO] running `Command { std: "docker" "start" "-a" "68c3f04ad5478acc879c629525cb9c2a55bf3a715a3322cf8dcad9ccc028e702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c3f04ad5478acc879c629525cb9c2a55bf3a715a3322cf8dcad9ccc028e702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c3f04ad5478acc879c629525cb9c2a55bf3a715a3322cf8dcad9ccc028e702", kill_on_drop: false }`
[INFO] [stdout] 68c3f04ad5478acc879c629525cb9c2a55bf3a715a3322cf8dcad9ccc028e702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b3ebcef6fed93b8eb0ac291ef7304a1e28a2b9907e2587067a9f6c3bc7b4a67
[INFO] running `Command { std: "docker" "start" "-a" "7b3ebcef6fed93b8eb0ac291ef7304a1e28a2b9907e2587067a9f6c3bc7b4a67", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking encoding8 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ascii/mod.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/ascii/mod.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 14  |         0x0 => 0x0,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 15  |         0x1 => 0x1,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 16  |         0x2 => 0x2,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 17  |         0x3 => 0x3,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 270 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ ...and 252 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ebcdic.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/ebcdic.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 6   |         0x0 => 0x0,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 7   |         0x1 => 0x1,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 8   |         0x2 => 0x2,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 9   |         0x3 => 0x3,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 262 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ ...and 252 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ascii/mod.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/ascii/mod.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 14  |         0x0 => 0x0,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 15  |         0x1 => 0x1,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 16  |         0x2 => 0x2,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 17  |         0x3 => 0x3,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 270 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ ...and 252 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ebcdic.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/ebcdic.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 6   |         0x0 => 0x0,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 7   |         0x1 => 0x1,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 8   |         0x2 => 0x2,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] 9   |         0x3 => 0x3,
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 262 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ ...and 252 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "7b3ebcef6fed93b8eb0ac291ef7304a1e28a2b9907e2587067a9f6c3bc7b4a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3ebcef6fed93b8eb0ac291ef7304a1e28a2b9907e2587067a9f6c3bc7b4a67", kill_on_drop: false }`
[INFO] [stdout] 7b3ebcef6fed93b8eb0ac291ef7304a1e28a2b9907e2587067a9f6c3bc7b4a67