[INFO] fetching crate stack_test_epic_keychain 3.0.3...
[INFO] checking stack_test_epic_keychain-3.0.3 against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] extracting crate stack_test_epic_keychain 3.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stack_test_epic_keychain 3.0.3 on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack_test_epic_keychain 3.0.3
[INFO] finished tweaking crates.io crate stack_test_epic_keychain 3.0.3
[INFO] tweaked toml for crates.io crate stack_test_epic_keychain 3.0.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
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[INFO] [stderr]   Downloaded grin_secp256k1zkp v0.7.11
[INFO] [stderr]   Downloaded stack_test_epic_util v3.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ec0dfb72914d756f2049883c89483a5c9d10065aedb653acea80075d7883c6
[INFO] running `Command { std: "docker" "start" "-a" "88ec0dfb72914d756f2049883c89483a5c9d10065aedb653acea80075d7883c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ec0dfb72914d756f2049883c89483a5c9d10065aedb653acea80075d7883c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ec0dfb72914d756f2049883c89483a5c9d10065aedb653acea80075d7883c6", kill_on_drop: false }`
[INFO] [stdout] 88ec0dfb72914d756f2049883c89483a5c9d10065aedb653acea80075d7883c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb05b827374e26ac5bffa415522eaf7ba8a9350ba9785f09172d3224ae463e44
[INFO] running `Command { std: "docker" "start" "-a" "cb05b827374e26ac5bffa415522eaf7ba8a9350ba9785f09172d3224ae463e44", kill_on_drop: false }`
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[INFO] [stderr]     Checking stack_test_epic_keychain v3.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/mnemonic.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout]    |                                         ^^                                                                               ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout] 28 +     pub static ref WORDS: Vec<String> = include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/mnemonic.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout]    |                                         ^^                                                                               ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout] 28 +     pub static ref WORDS: Vec<String> = include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/extkey_bip32.rs:338:41
[INFO] [stdout]     |
[INFO] [stdout] 338 |             Error::Ecdsa(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/extkey_bip32.rs:338:41
[INFO] [stdout]     |
[INFO] [stdout] 338 |             Error::Ecdsa(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.11s
[INFO] running `Command { std: "docker" "inspect" "cb05b827374e26ac5bffa415522eaf7ba8a9350ba9785f09172d3224ae463e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb05b827374e26ac5bffa415522eaf7ba8a9350ba9785f09172d3224ae463e44", kill_on_drop: false }`
[INFO] [stdout] cb05b827374e26ac5bffa415522eaf7ba8a9350ba9785f09172d3224ae463e44