[INFO] fetching crate cardano-message-signing 1.0.1...
[INFO] checking cardano-message-signing-1.0.1 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate cardano-message-signing 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cardano-message-signing 1.0.1 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cardano-message-signing 1.0.1
[INFO] finished tweaking crates.io crate cardano-message-signing 1.0.1
[INFO] tweaked toml for crates.io crate cardano-message-signing 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64-url v1.4.13
[INFO] [stderr]   Downloaded cbor_event v2.4.0
[INFO] [stderr]   Downloaded cryptoxide v0.3.6
[INFO] [stderr]   Downloaded pruefung v0.2.1
[INFO] [stderr]   Downloaded digest v0.6.1
[INFO] [stderr]   Downloaded generic-array v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a23ebf637e6a9e5825618953ef21e9d583ade91a00b481afac2a4ff2387fc04b
[INFO] running `Command { std: "docker" "start" "-a" "a23ebf637e6a9e5825618953ef21e9d583ade91a00b481afac2a4ff2387fc04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a23ebf637e6a9e5825618953ef21e9d583ade91a00b481afac2a4ff2387fc04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23ebf637e6a9e5825618953ef21e9d583ade91a00b481afac2a4ff2387fc04b", kill_on_drop: false }`
[INFO] [stdout] a23ebf637e6a9e5825618953ef21e9d583ade91a00b481afac2a4ff2387fc04b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7527b766a126ebdef5e42c50de5c0b62ae84ff5485c9368a5c5e67d5b8a2cedd
[INFO] running `Command { std: "docker" "start" "-a" "7527b766a126ebdef5e42c50de5c0b62ae84ff5485c9368a5c5e67d5b8a2cedd", kill_on_drop: false }`
[INFO] [stderr]     Checking generic-array v0.8.4
[INFO] [stderr]     Checking base64-url v1.4.13
[INFO] [stderr]     Checking cbor_event v2.4.0
[INFO] [stderr]     Checking cryptoxide v0.3.6
[INFO] [stderr]     Checking digest v0.6.1
[INFO] [stderr]     Checking pruefung v0.2.1
[INFO] [stderr]     Checking cardano-message-signing v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/serialization.rs:1023:13
[INFO] [stdout]      |
[INFO] [stdout] 1023 |         let mut consume_elem = |lens: &mut Vec<cbor_event::Len>| {
[INFO] [stdout]      |             ----^^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/serialization.rs:1030:13
[INFO] [stdout]      |
[INFO] [stdout] 1030 |         let mut reduce_depth = |lens: &mut Vec<cbor_event::Len>| {
[INFO] [stdout]      |             ----^^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbor_other_object` is never used
[INFO] [stdout]    --> src/cbor.rs:734:8
[INFO] [stdout]     |
[INFO] [stdout] 734 |     fn cbor_other_object() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serialization.rs:1161:9
[INFO] [stdout]      |
[INFO] [stdout] 1161 |         header_map.set_header(&label_str("i am a string key"), &CBORValue::new_text(String::from("also a string")));
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1161 |         let _ = header_map.set_header(&label_str("i am a string key"), &CBORValue::new_text(String::from("also a string")));
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serialization.rs:1162:9
[INFO] [stdout]      |
[INFO] [stdout] 1162 | ...   header_map.set_header(&label_int(-6), &CBORValue::new_tagged(&TaggedCBOR::new(to_bignum(3u64), &CBORValue::new_special(&CBORSpecial::new_null()))...
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1162 |         let _ = header_map.set_header(&label_int(-6), &CBORValue::new_tagged(&TaggedCBOR::new(to_bignum(3u64), &CBORValue::new_special(&CBORSpecial::new_null()))));
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serialization.rs:1233:9
[INFO] [stdout]      |
[INFO] [stdout] 1233 |         cose_key.set_header(&label_str("dsfdsf"), &CBORValue::new_int(&Int::new_i32(-100)));
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1233 |         let _ = cose_key.set_header(&label_str("dsfdsf"), &CBORValue::new_int(&Int::new_i32(-100)));
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serialization.rs:1234:9
[INFO] [stdout]      |
[INFO] [stdout] 1234 |         cose_key.set_header(&label_int(-50), &CBORValue::new_text(String::from("134da2234fdsfd")));
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1234 |         let _ = cose_key.set_header(&label_int(-50), &CBORValue::new_text(String::from("134da2234fdsfd")));
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "7527b766a126ebdef5e42c50de5c0b62ae84ff5485c9368a5c5e67d5b8a2cedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7527b766a126ebdef5e42c50de5c0b62ae84ff5485c9368a5c5e67d5b8a2cedd", kill_on_drop: false }`
[INFO] [stdout] 7527b766a126ebdef5e42c50de5c0b62ae84ff5485c9368a5c5e67d5b8a2cedd
