[INFO] fetching crate ethkey 0.3.1...
[INFO] checking ethkey-0.3.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate ethkey 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ethkey 0.3.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethkey 0.3.1
[INFO] finished tweaking crates.io crate ethkey 0.3.1
[INFO] tweaked toml for crates.io crate ethkey 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ace7e901e3d335e4844a1fd98ec8c9fa5c363bdd201b0a72e2cd72b4e8492a9c
[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" "ace7e901e3d335e4844a1fd98ec8c9fa5c363bdd201b0a72e2cd72b4e8492a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace7e901e3d335e4844a1fd98ec8c9fa5c363bdd201b0a72e2cd72b4e8492a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace7e901e3d335e4844a1fd98ec8c9fa5c363bdd201b0a72e2cd72b4e8492a9c", kill_on_drop: false }`
[INFO] [stdout] ace7e901e3d335e4844a1fd98ec8c9fa5c363bdd201b0a72e2cd72b4e8492a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e6879715bb50acdf6765dc1e119f31b9fb2134b7b58d24ff6aaa61ba7ba1b1
[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" "17e6879715bb50acdf6765dc1e119f31b9fb2134b7b58d24ff6aaa61ba7ba1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking memzero v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking scrypt v0.1.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking parity-crypto v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking parity-crypto v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking ethsign v0.7.3
[INFO] [stderr]     Checking ethkey v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:247:32
[INFO] [stdout]     |
[INFO] [stdout] 247 |         assert!(path.exists(), format!("path {:?} should exist", path));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 247 |         assert!(path.exists(), "path {:?} should exist", path);
[INFO] [stdout]     |                               --                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.14s
[INFO] running `Command { std: "docker" "inspect" "17e6879715bb50acdf6765dc1e119f31b9fb2134b7b58d24ff6aaa61ba7ba1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e6879715bb50acdf6765dc1e119f31b9fb2134b7b58d24ff6aaa61ba7ba1b1", kill_on_drop: false }`
[INFO] [stdout] 17e6879715bb50acdf6765dc1e119f31b9fb2134b7b58d24ff6aaa61ba7ba1b1