[INFO] fetching crate odra-core 2.4.0...
[INFO] testing odra-core-2.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate odra-core 2.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate odra-core 2.4.0
[INFO] finished tweaking crates.io crate odra-core 2.4.0
[INFO] tweaked toml for crates.io crate odra-core 2.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate odra-core 2.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate odra-core 2.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded casper-event-standard-macro v0.7.0
[INFO] [stderr]   Downloaded serde-map-to-array v1.1.1
[INFO] [stderr]   Downloaded casper-event-standard v0.7.0
[INFO] [stderr]   Downloaded base16 v0.2.1
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded casper-contract v5.1.1
[INFO] [stderr]   Downloaded mockall v0.12.1
[INFO] [stderr]   Downloaded mockall_derive v0.12.1
[INFO] [stderr]   Downloaded casper-types v6.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef3121568d2158dd4acdc15297d4bfe3c2988d598ac94f214ea54fe99b449ac6
[INFO] running `Command { std: "docker" "start" "-a" "ef3121568d2158dd4acdc15297d4bfe3c2988d598ac94f214ea54fe99b449ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3121568d2158dd4acdc15297d4bfe3c2988d598ac94f214ea54fe99b449ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3121568d2158dd4acdc15297d4bfe3c2988d598ac94f214ea54fe99b449ac6", kill_on_drop: false }`
[INFO] [stdout] ef3121568d2158dd4acdc15297d4bfe3c2988d598ac94f214ea54fe99b449ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b51aa9694798dcbfb55e06faa31983b502bebe302c8b33ae73b74fbbecf7ce
[INFO] running `Command { std: "docker" "start" "-a" "03b51aa9694798dcbfb55e06faa31983b502bebe302c8b33ae73b74fbbecf7ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling base16 v0.2.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling casper-event-standard-macro v0.7.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling k256 v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling ed25519-dalek v2.2.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling serde-map-to-array v1.1.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling casper-types v6.0.1
[INFO] [stderr]    Compiling casper-event-standard v0.7.0
[INFO] [stderr]    Compiling odra-core v2.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/list.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIter<T> {
[INFO] [stdout]     |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.94s
[INFO] running `Command { std: "docker" "inspect" "03b51aa9694798dcbfb55e06faa31983b502bebe302c8b33ae73b74fbbecf7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b51aa9694798dcbfb55e06faa31983b502bebe302c8b33ae73b74fbbecf7ce", kill_on_drop: false }`
[INFO] [stdout] 03b51aa9694798dcbfb55e06faa31983b502bebe302c8b33ae73b74fbbecf7ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e4d140da2a2f2188ad0e269fc2bd267592ba902f5868d9d7f80dd305d579dfe
[INFO] running `Command { std: "docker" "start" "-a" "0e4d140da2a2f2188ad0e269fc2bd267592ba902f5868d9d7f80dd305d579dfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockall_derive v0.12.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/list.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIter<T> {
[INFO] [stdout]     |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mockall v0.12.1
[INFO] [stderr]    Compiling odra-core v2.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(test, feature(never_type))]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `odra-core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0e4d140da2a2f2188ad0e269fc2bd267592ba902f5868d9d7f80dd305d579dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4d140da2a2f2188ad0e269fc2bd267592ba902f5868d9d7f80dd305d579dfe", kill_on_drop: false }`
[INFO] [stdout] 0e4d140da2a2f2188ad0e269fc2bd267592ba902f5868d9d7f80dd305d579dfe
