[INFO] fetching crate etanol_compiler 0.1.2...
[INFO] testing etanol_compiler-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate etanol_compiler 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate etanol_compiler 0.1.2
[INFO] finished tweaking crates.io crate etanol_compiler 0.1.2
[INFO] tweaked toml for crates.io crate etanol_compiler 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate etanol_compiler 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding diacritics v0.1.3 (available: v0.2.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded diacritics v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c64b755525d49c732a06583e997bd5554d7a3c6e7bfc2fa5b0f972b7190dd6f8
[INFO] running `Command { std: "docker" "start" "-a" "c64b755525d49c732a06583e997bd5554d7a3c6e7bfc2fa5b0f972b7190dd6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c64b755525d49c732a06583e997bd5554d7a3c6e7bfc2fa5b0f972b7190dd6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64b755525d49c732a06583e997bd5554d7a3c6e7bfc2fa5b0f972b7190dd6f8", kill_on_drop: false }`
[INFO] [stdout] c64b755525d49c732a06583e997bd5554d7a3c6e7bfc2fa5b0f972b7190dd6f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cf36bd8e9da5aec3c62b0d587db22ee59c4aad1ba94fff8f3e5473aec0236648
[INFO] running `Command { std: "docker" "start" "-a" "cf36bd8e9da5aec3c62b0d587db22ee59c4aad1ba94fff8f3e5473aec0236648", kill_on_drop: false }`
[INFO] [stderr]    Compiling diacritics v0.1.3
[INFO] [stderr]    Compiling etanol_compiler v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]  --> src/tokenizer.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Tokenizer {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub filename: String,
[INFO] [stdout] 9 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "cf36bd8e9da5aec3c62b0d587db22ee59c4aad1ba94fff8f3e5473aec0236648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf36bd8e9da5aec3c62b0d587db22ee59c4aad1ba94fff8f3e5473aec0236648", kill_on_drop: false }`
[INFO] [stdout] cf36bd8e9da5aec3c62b0d587db22ee59c4aad1ba94fff8f3e5473aec0236648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 770ab8bf148f385d035006939ae39691fe727515e4da3b3f72e200df6dc88c9f
[INFO] running `Command { std: "docker" "start" "-a" "770ab8bf148f385d035006939ae39691fe727515e4da3b3f72e200df6dc88c9f", kill_on_drop: false }`
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]  --> src/tokenizer.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Tokenizer {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub filename: String,
[INFO] [stdout] 9 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling etanol_compiler v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]  --> src/tokenizer.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Tokenizer {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub filename: String,
[INFO] [stdout] 9 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "770ab8bf148f385d035006939ae39691fe727515e4da3b3f72e200df6dc88c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770ab8bf148f385d035006939ae39691fe727515e4da3b3f72e200df6dc88c9f", kill_on_drop: false }`
[INFO] [stdout] 770ab8bf148f385d035006939ae39691fe727515e4da3b3f72e200df6dc88c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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", kill_on_drop: false }`
[INFO] [stdout] bb1d5b44adbd323706dd70d9ffd638432f64582af67d323dacadf5417cc41a51
[INFO] running `Command { std: "docker" "start" "-a" "bb1d5b44adbd323706dd70d9ffd638432f64582af67d323dacadf5417cc41a51", kill_on_drop: false }`
[INFO] [stderr] warning: field `content` is never read
[INFO] [stderr]  --> src/tokenizer.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Tokenizer {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 8 |     pub filename: String,
[INFO] [stderr] 9 |     pub content: String,
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `etanol_compiler` (lib) generated 1 warning
[INFO] [stderr] warning: `etanol_compiler` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/etanol_compiler-d1c7686d38905b5f)
[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 etanol_compiler
[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" "bb1d5b44adbd323706dd70d9ffd638432f64582af67d323dacadf5417cc41a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1d5b44adbd323706dd70d9ffd638432f64582af67d323dacadf5417cc41a51", kill_on_drop: false }`
[INFO] [stdout] bb1d5b44adbd323706dd70d9ffd638432f64582af67d323dacadf5417cc41a51