[INFO] fetching crate simplicity_derive 0.2.0...
[INFO] testing simplicity_derive-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simplicity_derive 0.2.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate simplicity_derive 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simplicity_derive 0.2.0
[INFO] finished tweaking crates.io crate simplicity_derive 0.2.0
[INFO] tweaked toml for crates.io crate simplicity_derive 0.2.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 765747c7cd6407e6d082f158e4f39ec7c41a5a0447d0629798e4c213271c346d
[INFO] running `Command { std: "docker" "start" "-a" "765747c7cd6407e6d082f158e4f39ec7c41a5a0447d0629798e4c213271c346d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "765747c7cd6407e6d082f158e4f39ec7c41a5a0447d0629798e4c213271c346d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "765747c7cd6407e6d082f158e4f39ec7c41a5a0447d0629798e4c213271c346d", kill_on_drop: false }`
[INFO] [stdout] 765747c7cd6407e6d082f158e4f39ec7c41a5a0447d0629798e4c213271c346d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68eb0bef370ff3eaa7ef0bfc5a4a36b583a1f89987f5db44c510bd7f77524032
[INFO] running `Command { std: "docker" "start" "-a" "68eb0bef370ff3eaa7ef0bfc5a4a36b583a1f89987f5db44c510bd7f77524032", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling permutator v0.4.0
[INFO] [stderr]    Compiling simplicity_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `to_repr`
[INFO] [stdout]    --> src/lib.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn to_repr(mut self, indexes: &[Ident]) -> String {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "68eb0bef370ff3eaa7ef0bfc5a4a36b583a1f89987f5db44c510bd7f77524032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68eb0bef370ff3eaa7ef0bfc5a4a36b583a1f89987f5db44c510bd7f77524032", kill_on_drop: false }`
[INFO] [stdout] 68eb0bef370ff3eaa7ef0bfc5a4a36b583a1f89987f5db44c510bd7f77524032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05862dbfaa818394db7149aa70556c34328cb110b8c8a0dc6bb64379558911d0
[INFO] running `Command { std: "docker" "start" "-a" "05862dbfaa818394db7149aa70556c34328cb110b8c8a0dc6bb64379558911d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplicity_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `to_repr`
[INFO] [stdout]    --> src/lib.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn to_repr(mut self, indexes: &[Ident]) -> String {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_repr`
[INFO] [stdout]    --> src/lib.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn to_repr(mut self, indexes: &[Ident]) -> String {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "05862dbfaa818394db7149aa70556c34328cb110b8c8a0dc6bb64379558911d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05862dbfaa818394db7149aa70556c34328cb110b8c8a0dc6bb64379558911d0", kill_on_drop: false }`
[INFO] [stdout] 05862dbfaa818394db7149aa70556c34328cb110b8c8a0dc6bb64379558911d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 873c8463736e31ca4649b76359f6bb86f68f36d5a9be1ebb00d067cd4395c6d3
[INFO] running `Command { std: "docker" "start" "-a" "873c8463736e31ca4649b76359f6bb86f68f36d5a9be1ebb00d067cd4395c6d3", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `to_repr`
[INFO] [stderr]    --> src/lib.rs:378:8
[INFO] [stderr]     |
[INFO] [stderr] 378 |     fn to_repr(mut self, indexes: &[Ident]) -> String {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simplicity_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `simplicity_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simplicity_derive-e81244def5f938b3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simplicity_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "873c8463736e31ca4649b76359f6bb86f68f36d5a9be1ebb00d067cd4395c6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873c8463736e31ca4649b76359f6bb86f68f36d5a9be1ebb00d067cd4395c6d3", kill_on_drop: false }`
[INFO] [stdout] 873c8463736e31ca4649b76359f6bb86f68f36d5a9be1ebb00d067cd4395c6d3