[INFO] cloning repository https://github.com/LowLevelVirtualMan/emphasis-trainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LowLevelVirtualMan/emphasis-trainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLowLevelVirtualMan%2Femphasis-trainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLowLevelVirtualMan%2Femphasis-trainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3ad68ad093308b0bfd740ade92d9b5884db4525
[INFO] checking LowLevelVirtualMan/emphasis-trainer/a3ad68ad093308b0bfd740ade92d9b5884db4525 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLowLevelVirtualMan%2Femphasis-trainer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LowLevelVirtualMan/emphasis-trainer on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LowLevelVirtualMan/emphasis-trainer
[INFO] finished tweaking git repo https://github.com/LowLevelVirtualMan/emphasis-trainer
[INFO] tweaked toml for git repo https://github.com/LowLevelVirtualMan/emphasis-trainer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LowLevelVirtualMan/emphasis-trainer 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded vergen v7.0.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee52a5ad58c6582bb260425fd6e66930d03f30d577cb0c42ee273be8f3654ff5
[INFO] running `Command { std: "docker" "start" "-a" "ee52a5ad58c6582bb260425fd6e66930d03f30d577cb0c42ee273be8f3654ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee52a5ad58c6582bb260425fd6e66930d03f30d577cb0c42ee273be8f3654ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee52a5ad58c6582bb260425fd6e66930d03f30d577cb0c42ee273be8f3654ff5", kill_on_drop: false }`
[INFO] [stdout] ee52a5ad58c6582bb260425fd6e66930d03f30d577cb0c42ee273be8f3654ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8b50360c14f86f7b74c243443483515d3311d8014595cc043adfbd578ffbc13
[INFO] running `Command { std: "docker" "start" "-a" "a8b50360c14f86f7b74c243443483515d3311d8014595cc043adfbd578ffbc13", kill_on_drop: false }`
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[INFO] [stdout] warning: variants `NoExplanationTag` and `ExplanationEmpty` are never constructed
[INFO] [stdout]    --> src/model/parse.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub enum WordParseError {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 162 |     NoExplanationTag,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 163 |     #[error("Explanation can't be empty.")]
[INFO] [stdout] 164 |     ExplanationEmpty,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WordParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoEntries` and `Invalid` are never constructed
[INFO] [stdout]   --> src/model/statistics.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub enum StatisticsError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 91 |     #[error("No entries stored in statistics.")]
[INFO] [stdout] 92 |     NoEntries,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 93 |     #[error("Statistics data is in invalid state.")]
[INFO] [stdout] 94 |     Invalid,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatisticsError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `should_repeat` are never used
[INFO] [stdout]    --> src/model/statistics.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl Record {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 106 |     /// Create new record.
[INFO] [stdout] 107 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn should_repeat(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `repetition_days` are never used
[INFO] [stdout]    --> src/model/statistics.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Group {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 139 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn repetition_days(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoExplanationTag` and `ExplanationEmpty` are never constructed
[INFO] [stdout]    --> src/model/parse.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub enum WordParseError {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 162 |     NoExplanationTag,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 163 |     #[error("Explanation can't be empty.")]
[INFO] [stdout] 164 |     ExplanationEmpty,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WordParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoEntries` and `Invalid` are never constructed
[INFO] [stdout]   --> src/model/statistics.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub enum StatisticsError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 91 |     #[error("No entries stored in statistics.")]
[INFO] [stdout] 92 |     NoEntries,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 93 |     #[error("Statistics data is in invalid state.")]
[INFO] [stdout] 94 |     Invalid,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatisticsError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `should_repeat` are never used
[INFO] [stdout]    --> src/model/statistics.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl Record {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 106 |     /// Create new record.
[INFO] [stdout] 107 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn should_repeat(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `repetition_days` are never used
[INFO] [stdout]    --> src/model/statistics.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Group {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 139 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn repetition_days(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.79
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a8b50360c14f86f7b74c243443483515d3311d8014595cc043adfbd578ffbc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b50360c14f86f7b74c243443483515d3311d8014595cc043adfbd578ffbc13", kill_on_drop: false }`
[INFO] [stdout] a8b50360c14f86f7b74c243443483515d3311d8014595cc043adfbd578ffbc13