[INFO] fetching crate enigma_shark 0.1.0...
[INFO] building enigma_shark-0.1.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate enigma_shark 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate enigma_shark 0.1.0 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enigma_shark 0.1.0
[INFO] finished tweaking crates.io crate enigma_shark 0.1.0
[INFO] tweaked toml for crates.io crate enigma_shark 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate enigma_shark 0.1.0 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34b28572cd6f63b8d0685f37ac6689bff6fd28279dbd3aceb77d32579d04e6dd
[INFO] running `Command { std: "docker" "start" "-a" "34b28572cd6f63b8d0685f37ac6689bff6fd28279dbd3aceb77d32579d04e6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34b28572cd6f63b8d0685f37ac6689bff6fd28279dbd3aceb77d32579d04e6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b28572cd6f63b8d0685f37ac6689bff6fd28279dbd3aceb77d32579d04e6dd", kill_on_drop: false }`
[INFO] [stdout] 34b28572cd6f63b8d0685f37ac6689bff6fd28279dbd3aceb77d32579d04e6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe7d6e4ae99cf0ad30fa1cd056d19788040703c79c3b097f493d692928799da
[INFO] running `Command { std: "docker" "start" "-a" "4fe7d6e4ae99cf0ad30fa1cd056d19788040703c79c3b097f493d692928799da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling clap v4.4.6
[INFO] [stderr]    Compiling enigma_shark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `reflectors`
[INFO] [stdout]  --> src/machine.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::reflector::{reflectors, Reflector};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rotors`
[INFO] [stdout]  --> src/machine.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::rotor::{rotors, Rotor};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_mappings` is never used
[INFO] [stdout]   --> src/plugboard.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn generate_random_mappings() -> Result<Plugboard, &'static str> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/reflector.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Reflector {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 25 |     wiring: String,
[INFO] [stdout] 26 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/rotor.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Rotor {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.86s
[INFO] running `Command { std: "docker" "inspect" "4fe7d6e4ae99cf0ad30fa1cd056d19788040703c79c3b097f493d692928799da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe7d6e4ae99cf0ad30fa1cd056d19788040703c79c3b097f493d692928799da", kill_on_drop: false }`
[INFO] [stdout] 4fe7d6e4ae99cf0ad30fa1cd056d19788040703c79c3b097f493d692928799da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edc9a57a448d770725723ffd2834d68946da37c987e4f980e914edbd51abf9c2
[INFO] running `Command { std: "docker" "start" "-a" "edc9a57a448d770725723ffd2834d68946da37c987e4f980e914edbd51abf9c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling enigma_shark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `reflectors`
[INFO] [stdout]  --> src/machine.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::reflector::{reflectors, Reflector};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rotors`
[INFO] [stdout]  --> src/machine.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::rotor::{rotors, Rotor};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_mappings` is never used
[INFO] [stdout]   --> src/plugboard.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn generate_random_mappings() -> Result<Plugboard, &'static str> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/reflector.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Reflector {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 25 |     wiring: String,
[INFO] [stdout] 26 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/rotor.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Rotor {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/rotor.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Rotor {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "edc9a57a448d770725723ffd2834d68946da37c987e4f980e914edbd51abf9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc9a57a448d770725723ffd2834d68946da37c987e4f980e914edbd51abf9c2", kill_on_drop: false }`
[INFO] [stdout] edc9a57a448d770725723ffd2834d68946da37c987e4f980e914edbd51abf9c2