[INFO] fetching crate krait 0.1.7...
[INFO] testing krait-0.1.7 against 1.90.0 for beta-1.91-3
[INFO] extracting crate krait 0.1.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate krait 0.1.7
[INFO] finished tweaking crates.io crate krait 0.1.7
[INFO] tweaked toml for crates.io crate krait 0.1.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate krait 0.1.7 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]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[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] a8452bcad07f6a7c22f77ae7b47244836c4ca0f4a65bdd57a182cb9107c858f7
[INFO] running `Command { std: "docker" "start" "-a" "a8452bcad07f6a7c22f77ae7b47244836c4ca0f4a65bdd57a182cb9107c858f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8452bcad07f6a7c22f77ae7b47244836c4ca0f4a65bdd57a182cb9107c858f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8452bcad07f6a7c22f77ae7b47244836c4ca0f4a65bdd57a182cb9107c858f7", kill_on_drop: false }`
[INFO] [stdout] a8452bcad07f6a7c22f77ae7b47244836c4ca0f4a65bdd57a182cb9107c858f7
[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] efc8b1b7468f8366653713944ecec8dc1d60756db1be98e001bc52561e4a6f68
[INFO] running `Command { std: "docker" "start" "-a" "efc8b1b7468f8366653713944ecec8dc1d60756db1be98e001bc52561e4a6f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling krait v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `log_level`
[INFO] [stdout]   --> src/engine/logging.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn log_message(engine: &mut Engine, message: &str, log_level: LogLevel) {
[INFO] [stdout]    |                                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/engine/scene.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut scenes = Vec::new();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_running` is never read
[INFO] [stdout]  --> src/engine/core.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Engine {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub(crate) is_running: bool,
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `level` are never read
[INFO] [stdout]   --> src/engine/logging.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Log {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 16 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     level: LogLevel,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "efc8b1b7468f8366653713944ecec8dc1d60756db1be98e001bc52561e4a6f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc8b1b7468f8366653713944ecec8dc1d60756db1be98e001bc52561e4a6f68", kill_on_drop: false }`
[INFO] [stdout] efc8b1b7468f8366653713944ecec8dc1d60756db1be98e001bc52561e4a6f68
[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] 84997e49ade988873266a576342eaf7c82caff866e181c5e66082057e2bf76b1
[INFO] running `Command { std: "docker" "start" "-a" "84997e49ade988873266a576342eaf7c82caff866e181c5e66082057e2bf76b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling krait v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `log_level`
[INFO] [stdout]   --> src/engine/logging.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn log_message(engine: &mut Engine, message: &str, log_level: LogLevel) {
[INFO] [stdout]    |                                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/engine/scene.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut scenes = Vec::new();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_running` is never read
[INFO] [stdout]  --> src/engine/core.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Engine {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub(crate) is_running: bool,
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `level` are never read
[INFO] [stdout]   --> src/engine/logging.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Log {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 16 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     level: LogLevel,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `log_level`
[INFO] [stdout]   --> src/engine/logging.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn log_message(engine: &mut Engine, message: &str, log_level: LogLevel) {
[INFO] [stdout]    |                                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/engine/scene.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut scenes = Vec::new();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_running` is never read
[INFO] [stdout]  --> src/engine/core.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Engine {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub(crate) is_running: bool,
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `level` are never read
[INFO] [stdout]   --> src/engine/logging.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Log {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 16 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     level: LogLevel,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "84997e49ade988873266a576342eaf7c82caff866e181c5e66082057e2bf76b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84997e49ade988873266a576342eaf7c82caff866e181c5e66082057e2bf76b1", kill_on_drop: false }`
[INFO] [stdout] 84997e49ade988873266a576342eaf7c82caff866e181c5e66082057e2bf76b1
[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] 3a74b4d836026341f6eccf8941e4e5cffd9e116d7d2e44d4082cd718fca64997
[INFO] running `Command { std: "docker" "start" "-a" "3a74b4d836026341f6eccf8941e4e5cffd9e116d7d2e44d4082cd718fca64997", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `log_level`
[INFO] [stderr]   --> src/engine/logging.rs:27:56
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn log_message(engine: &mut Engine, message: &str, log_level: LogLevel) {
[INFO] [stderr]    |                                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_level`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/engine/scene.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut scenes = Vec::new();
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_running` is never read
[INFO] [stderr]  --> src/engine/core.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Engine {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 5 |     pub(crate) is_running: bool,
[INFO] [stderr]   |                ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `message` and `level` are never read
[INFO] [stderr]   --> src/engine/logging.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Log {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 16 |     message: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 17 |     level: LogLevel,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `krait` (lib) generated 4 warnings (run `cargo fix --lib -p krait` to apply 1 suggestion)
[INFO] [stderr] warning: `krait` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/krait-c00e42ea6ea63495)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests krait
[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] [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" "3a74b4d836026341f6eccf8941e4e5cffd9e116d7d2e44d4082cd718fca64997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a74b4d836026341f6eccf8941e4e5cffd9e116d7d2e44d4082cd718fca64997", kill_on_drop: false }`
[INFO] [stdout] 3a74b4d836026341f6eccf8941e4e5cffd9e116d7d2e44d4082cd718fca64997