[INFO] fetching crate bitcoin-script 0.1.1...
[INFO] checking bitcoin-script-0.1.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate bitcoin-script 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate bitcoin-script 0.1.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b827cc31cb97fa0742911232a4012a4c7f769c22882555db8914c3c4280aeea8
[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" "b827cc31cb97fa0742911232a4012a4c7f769c22882555db8914c3c4280aeea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b827cc31cb97fa0742911232a4012a4c7f769c22882555db8914c3c4280aeea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b827cc31cb97fa0742911232a4012a4c7f769c22882555db8914c3c4280aeea8", kill_on_drop: false }`
[INFO] [stdout] b827cc31cb97fa0742911232a4012a4c7f769c22882555db8914c3c4280aeea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c6ba4e5b9de05ff70bffb2c5762499c68d053e9455d8c270ddd05709d741620
[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" "2c6ba4e5b9de05ff70bffb2c5762499c68d053e9455d8c270ddd05709d741620", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]     Checking bitcoin v0.23.0
[INFO] [stderr]    Compiling syn-mid v0.5.3
[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 38.60s
[INFO] running `Command { std: "docker" "inspect" "2c6ba4e5b9de05ff70bffb2c5762499c68d053e9455d8c270ddd05709d741620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6ba4e5b9de05ff70bffb2c5762499c68d053e9455d8c270ddd05709d741620", kill_on_drop: false }`
[INFO] [stdout] 2c6ba4e5b9de05ff70bffb2c5762499c68d053e9455d8c270ddd05709d741620