[INFO] fetching crate bitcoin-script 0.1.1...
[INFO] checking bitcoin-script-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate bitcoin-script 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitcoin-script 0.1.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-script 0.1.1
[INFO] finished tweaking crates.io crate bitcoin-script 0.1.1
[INFO] tweaked toml for crates.io crate bitcoin-script 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b7abec222f9367d12b67c63ac8ed5f2d99a1113d2fca4edea879371ac1d31be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b7abec222f9367d12b67c63ac8ed5f2d99a1113d2fca4edea879371ac1d31be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7abec222f9367d12b67c63ac8ed5f2d99a1113d2fca4edea879371ac1d31be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7abec222f9367d12b67c63ac8ed5f2d99a1113d2fca4edea879371ac1d31be", kill_on_drop: false }`
[INFO] [stdout] 5b7abec222f9367d12b67c63ac8ed5f2d99a1113d2fca4edea879371ac1d31be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da4f157a9ec56f9de5380d6f12a395d241bb8ae192609be86116997f3ebf180e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da4f157a9ec56f9de5380d6f12a395d241bb8ae192609be86116997f3ebf180e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking bitcoin v0.23.0
[INFO] [stderr]     Checking bitcoin-script v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/parse.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 58 | /                     emit_error!(
[INFO] [stdout] 59 | |                        token.span(),
[INFO] [stdout] 60 | |                        "unknown opcode \"{}\"",
[INFO] [stdout] 61 | |                        token_str
[INFO] [stdout] 62 | |                     );
[INFO] [stdout]    | |______________________- any code following this expression is unreachable
[INFO] [stdout] 63 |                       &opcodes::OP_NOP
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parse.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         emit_error!(token.span(), "invalid hex literal ({})", err);
[INFO] [stdout]     |         ----------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 123 |         vec![]
[INFO] [stdout]     |         ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parse.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         emit_error!(token.span(), "invalid number literal ({})", err);
[INFO] [stdout]     |         -------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 132 |         0
[INFO] [stdout]     |         ^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parse.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | /         emit_error!(
[INFO] [stdout] 143 | |             token.span(),
[INFO] [stdout] 144 | |             "expected negative sign to be followed by number literal"
[INFO] [stdout] 145 | |         );
[INFO] [stdout]     | |__________- any code following this expression is unreachable
[INFO] [stdout] 146 |           (Syntax::Int(0), token.span())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.95s
[INFO] running `Command { std: "docker" "inspect" "da4f157a9ec56f9de5380d6f12a395d241bb8ae192609be86116997f3ebf180e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4f157a9ec56f9de5380d6f12a395d241bb8ae192609be86116997f3ebf180e", kill_on_drop: false }`
[INFO] [stdout] da4f157a9ec56f9de5380d6f12a395d241bb8ae192609be86116997f3ebf180e