[INFO] cloning repository https://github.com/EthanHindmarsh/RustFrontEnd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EthanHindmarsh/RustFrontEnd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanHindmarsh%2FRustFrontEnd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanHindmarsh%2FRustFrontEnd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b78c50f2864d36be46f7fe6109c7aaa2fb61a20
[INFO] testing EthanHindmarsh/RustFrontEnd against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanHindmarsh%2FRustFrontEnd" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EthanHindmarsh/RustFrontEnd on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EthanHindmarsh/RustFrontEnd
[INFO] finished tweaking git repo https://github.com/EthanHindmarsh/RustFrontEnd
[INFO] tweaked toml for git repo https://github.com/EthanHindmarsh/RustFrontEnd written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/EthanHindmarsh/RustFrontEnd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 gloo-console v0.2.1
[INFO] [stderr]   Downloaded gloo-file v0.2.1
[INFO] [stderr]   Downloaded gloo-utils v0.1.2
[INFO] [stderr]   Downloaded yew-macro v0.19.3
[INFO] [stderr]   Downloaded anymap2 v0.13.0
[INFO] [stderr]   Downloaded gloo-storage v0.2.0
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.3.1
[INFO] [stderr]   Downloaded gloo v0.4.2
[INFO] [stderr]   Downloaded gloo-history v0.1.0
[INFO] [stderr]   Downloaded wasm-logger v0.2.0
[INFO] [stderr]   Downloaded yew v0.19.3
[INFO] [stderr]   Downloaded gloo-worker v0.1.0
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded gloo v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 649ef661a7ed6842619732e44619e920e1beeb5166761fea1c5fd7c62183a709
[INFO] running `Command { std: "docker" "start" "-a" "649ef661a7ed6842619732e44619e920e1beeb5166761fea1c5fd7c62183a709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "649ef661a7ed6842619732e44619e920e1beeb5166761fea1c5fd7c62183a709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649ef661a7ed6842619732e44619e920e1beeb5166761fea1c5fd7c62183a709", kill_on_drop: false }`
[INFO] [stdout] 649ef661a7ed6842619732e44619e920e1beeb5166761fea1c5fd7c62183a709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04343089d2fcb0490a37e5a8df4a731968bb3a5f0ff3dd2ef98885b1dfcbc989
[INFO] running `Command { std: "docker" "start" "-a" "04343089d2fcb0490a37e5a8df4a731968bb3a5f0ff3dd2ef98885b1dfcbc989", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.79
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anymap2 v0.13.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling yew-macro v0.19.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling js-sys v0.3.56
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling web-sys v0.3.56
[INFO] [stderr]    Compiling gloo-timers v0.2.3
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.29
[INFO] [stderr]    Compiling gloo-utils v0.1.2
[INFO] [stderr]    Compiling gloo-events v0.1.1
[INFO] [stderr]    Compiling gloo-console v0.2.1
[INFO] [stderr]    Compiling gloo-render v0.1.0
[INFO] [stderr]    Compiling gloo-dialogs v0.1.0
[INFO] [stderr]    Compiling wasm-logger v0.2.0
[INFO] [stderr]    Compiling gloo-storage v0.2.0
[INFO] [stderr]    Compiling gloo-file v0.2.1
[INFO] [stderr]    Compiling gloo-history v0.1.0
[INFO] [stderr]    Compiling gloo-worker v0.1.0
[INFO] [stderr]    Compiling gloo v0.4.2
[INFO] [stderr]    Compiling yew v0.19.3
[INFO] [stderr]    Compiling gloo v0.6.0
[INFO] [stderr]    Compiling rust_frontend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Hide`
[INFO] [stdout]   --> src/snowflake.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Hide,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Show`
[INFO] [stdout]   --> src/snowflake.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Show,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hide`
[INFO] [stdout]   --> src/message.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Hide,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Show`
[INFO] [stdout]   --> src/message.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Show,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.66s
[INFO] running `Command { std: "docker" "inspect" "04343089d2fcb0490a37e5a8df4a731968bb3a5f0ff3dd2ef98885b1dfcbc989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04343089d2fcb0490a37e5a8df4a731968bb3a5f0ff3dd2ef98885b1dfcbc989", kill_on_drop: false }`
[INFO] [stdout] 04343089d2fcb0490a37e5a8df4a731968bb3a5f0ff3dd2ef98885b1dfcbc989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f26d0efe8ab073d41ed6d559af0e154cd20398daa23b41ba5d0c08da2e2eeef7
[INFO] running `Command { std: "docker" "start" "-a" "f26d0efe8ab073d41ed6d559af0e154cd20398daa23b41ba5d0c08da2e2eeef7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_frontend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Hide`
[INFO] [stdout]   --> src/snowflake.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Hide,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Show`
[INFO] [stdout]   --> src/snowflake.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Show,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hide`
[INFO] [stdout]   --> src/message.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Hide,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Show`
[INFO] [stdout]   --> src/message.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Show,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "f26d0efe8ab073d41ed6d559af0e154cd20398daa23b41ba5d0c08da2e2eeef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26d0efe8ab073d41ed6d559af0e154cd20398daa23b41ba5d0c08da2e2eeef7", kill_on_drop: false }`
[INFO] [stdout] f26d0efe8ab073d41ed6d559af0e154cd20398daa23b41ba5d0c08da2e2eeef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 288f9661df742c4d13d7f4e97c627f947a8beedb78d39d89ff160c02052bd146
[INFO] running `Command { std: "docker" "start" "-a" "288f9661df742c4d13d7f4e97c627f947a8beedb78d39d89ff160c02052bd146", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `Hide`
[INFO] [stderr]   --> src/snowflake.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     Hide,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Show`
[INFO] [stderr]   --> src/snowflake.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Show,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hide`
[INFO] [stderr]   --> src/message.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     Hide,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Show`
[INFO] [stderr]   --> src/message.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     Show,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_frontend` (bin "rust_frontend" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_frontend-037db8851d5b0f0e)
[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" "288f9661df742c4d13d7f4e97c627f947a8beedb78d39d89ff160c02052bd146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288f9661df742c4d13d7f4e97c627f947a8beedb78d39d89ff160c02052bd146", kill_on_drop: false }`
[INFO] [stdout] 288f9661df742c4d13d7f4e97c627f947a8beedb78d39d89ff160c02052bd146