[INFO] fetching crate kern 1.3.4...
[INFO] testing kern-1.3.4 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate kern 1.3.4 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate kern 1.3.4 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kern 1.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kern 1.3.4
[INFO] tweaked toml for crates.io crate kern 1.3.4 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate kern 1.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 642be65a2c06a1fc48cc88b1a212772c8ff0b5484f8f6145b84ad5837d0e10db
[INFO] running `Command { std: "docker" "start" "-a" "642be65a2c06a1fc48cc88b1a212772c8ff0b5484f8f6145b84ad5837d0e10db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "642be65a2c06a1fc48cc88b1a212772c8ff0b5484f8f6145b84ad5837d0e10db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642be65a2c06a1fc48cc88b1a212772c8ff0b5484f8f6145b84ad5837d0e10db", kill_on_drop: false }`
[INFO] [stdout] 642be65a2c06a1fc48cc88b1a212772c8ff0b5484f8f6145b84ad5837d0e10db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fa1d031af4b4ea650419dddcac20c3fd8e4761043bad91057b9923876711338
[INFO] running `Command { std: "docker" "start" "-a" "2fa1d031af4b4ea650419dddcac20c3fd8e4761043bad91057b9923876711338", kill_on_drop: false }`
[INFO] [stderr]    Compiling kern v1.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     raw: &'a str,
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "2fa1d031af4b4ea650419dddcac20c3fd8e4761043bad91057b9923876711338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa1d031af4b4ea650419dddcac20c3fd8e4761043bad91057b9923876711338", kill_on_drop: false }`
[INFO] [stdout] 2fa1d031af4b4ea650419dddcac20c3fd8e4761043bad91057b9923876711338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e92689579920cc2c2fe341c387b432aa2147c8283519e920d7fbf7da309d23
[INFO] running `Command { std: "docker" "start" "-a" "95e92689579920cc2c2fe341c387b432aa2147c8283519e920d7fbf7da309d23", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     raw: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kern v1.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     raw: &'a str,
[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 0.80s
[INFO] running `Command { std: "docker" "inspect" "95e92689579920cc2c2fe341c387b432aa2147c8283519e920d7fbf7da309d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e92689579920cc2c2fe341c387b432aa2147c8283519e920d7fbf7da309d23", kill_on_drop: false }`
[INFO] [stdout] 95e92689579920cc2c2fe341c387b432aa2147c8283519e920d7fbf7da309d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e30321e9ad88836979c523611df4d6173111db7bf487ed2e1a27b4321b79175d
[INFO] running `Command { std: "docker" "start" "-a" "e30321e9ad88836979c523611df4d6173111db7bf487ed2e1a27b4321b79175d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `raw`
[INFO] [stderr]   --> src/cli.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     raw: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kern` (lib) generated 1 warning
[INFO] [stderr] warning: `kern` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kern-617b67bde188d932)
[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]      Running tests/byte.rs (/opt/rustwide/target/debug/deps/byte-31d381c9dc80e993)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_scan ... ok
[INFO] [stdout] test test_splitn ... ok
[INFO] [stdout] test test_split ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-f482d4984f2d302b)
[INFO] [stderr]      Running tests/conf.rs (/opt/rustwide/target/debug/deps/conf-9fd27b02e6dd9aff)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test read ... ok
[INFO] [stdout] test config ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-bba376c0cdcd404d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/meta.rs (/opt/rustwide/target/debug/deps/meta-437ec7659b48e9ae)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_version ... ok
[INFO] [stdout] test test_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kern
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/cli.rs - cli::CliBuilder (line 9) ... ok
[INFO] [stdout] test src/cli.rs - cli::Command (line 182) ... ok
[INFO] [stdout] test src/error.rs - error::Fail (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e30321e9ad88836979c523611df4d6173111db7bf487ed2e1a27b4321b79175d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30321e9ad88836979c523611df4d6173111db7bf487ed2e1a27b4321b79175d", kill_on_drop: false }`
[INFO] [stdout] e30321e9ad88836979c523611df4d6173111db7bf487ed2e1a27b4321b79175d