[INFO] cloning repository https://github.com/michal-hynek/ultimate-rust-fundations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michal-hynek/ultimate-rust-fundations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichal-hynek%2Fultimate-rust-fundations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichal-hynek%2Fultimate-rust-fundations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e979346ba60c268b5255f8f32efb35bc3e9c756
[INFO] checking michal-hynek/ultimate-rust-fundations against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichal-hynek%2Fultimate-rust-fundations" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/michal-hynek/ultimate-rust-fundations
[INFO] finished tweaking git repo https://github.com/michal-hynek/ultimate-rust-fundations
[INFO] tweaked toml for git repo https://github.com/michal-hynek/ultimate-rust-fundations written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michal-hynek/ultimate-rust-fundations on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/michal-hynek/ultimate-rust-fundations 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" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f59b0598a6f8923afa9225ba3245ce6d18162faeccd29cc979c93e1e2470101
[INFO] running `Command { std: "docker" "start" "-a" "6f59b0598a6f8923afa9225ba3245ce6d18162faeccd29cc979c93e1e2470101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f59b0598a6f8923afa9225ba3245ce6d18162faeccd29cc979c93e1e2470101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f59b0598a6f8923afa9225ba3245ce6d18162faeccd29cc979c93e1e2470101", kill_on_drop: false }`
[INFO] [stdout] 6f59b0598a6f8923afa9225ba3245ce6d18162faeccd29cc979c93e1e2470101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e5eb084e2d2709f1f09d2fde3da89b0222721576a0a783beeb8446e4b89e050
[INFO] running `Command { std: "docker" "start" "-a" "9e5eb084e2d2709f1f09d2fde3da89b0222721576a0a783beeb8446e4b89e050", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking image-webp v0.2.3
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking zune-jpeg v0.4.20
[INFO] [stderr]     Checking clap_builder v4.5.38
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]     Checking thread-priority v1.2.0
[INFO] [stderr]     Checking affinity v0.1.0 (/opt/rustwide/workdir/src/affinity)
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking workers2 v0.1.0 (/opt/rustwide/workdir/src/workers2)
[INFO] [stderr]     Checking memory2 v0.1.0 (/opt/rustwide/workdir/src/memory2)
[INFO] [stderr]     Checking rwlocks v0.1.0 (/opt/rustwide/workdir/src/rwlocks)
[INFO] [stderr]     Checking tpriority v0.1.0 (/opt/rustwide/workdir/src/tpriority)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/memory2/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let s = String::from("");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/memory2/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let s = String::from("");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking refc5 v0.1.0 (/opt/rustwide/workdir/src/refc5)
[INFO] [stderr]     Checking hello_thread_return v0.1.0 (/opt/rustwide/workdir/src/hello_thread_return)
[INFO] [stderr]     Checking memory v0.1.0 (/opt/rustwide/workdir/src/memory)
[INFO] [stderr]     Checking greet v0.1.0 (/opt/rustwide/workdir/src/greet)
[INFO] [stderr]     Checking mutexes v0.1.0 (/opt/rustwide/workdir/src/mutexes)
[INFO] [stderr]     Checking hello_thread_params v0.1.0 (/opt/rustwide/workdir/src/hello_thread_params)
[INFO] [stderr]     Checking channels1 v0.1.0 (/opt/rustwide/workdir/src/channels1)
[INFO] [stderr]     Checking top_level v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]     Checking dropping3 v0.1.0 (/opt/rustwide/workdir/src/dropping3)
[INFO] [stderr]     Checking refc4 v0.1.0 (/opt/rustwide/workdir/src/refc4)
[INFO] [stderr]     Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/src/scoped_threads)
[INFO] [stderr]     Checking refc3 v0.1.0 (/opt/rustwide/workdir/src/refc3)
[INFO] [stderr]     Checking refc v0.1.0 (/opt/rustwide/workdir/src/refc)
[INFO] [stderr]     Checking parking v0.1.0 (/opt/rustwide/workdir/src/parking)
[INFO] [stderr]     Checking divide_work v0.1.0 (/opt/rustwide/workdir/src/divide_work)
[INFO] [stderr]     Checking dropping2 v0.1.0 (/opt/rustwide/workdir/src/dropping2)
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/src/hello_world)
[INFO] [stdout] warning: fields `id` and `x` are never read
[INFO] [stdout]   --> src/dropping2/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct HasDropables {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 19 |     id: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     x: MyStruct,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atomics v0.1.0 (/opt/rustwide/workdir/src/atomics)
[INFO] [stderr]     Checking dropping v0.1.0 (/opt/rustwide/workdir/src/dropping)
[INFO] [stderr]     Checking dashing v0.1.0 (/opt/rustwide/workdir/src/dashing)
[INFO] [stderr]     Checking workers v0.1.0 (/opt/rustwide/workdir/src/workers)
[INFO] [stderr]     Checking console_input v0.1.0 (/opt/rustwide/workdir/src/console_input)
[INFO] [stderr]     Checking poisoning v0.1.0 (/opt/rustwide/workdir/src/poisoning)
[INFO] [stderr]     Checking lifetimes2 v0.1.0 (/opt/rustwide/workdir/src/lifetimes2)
[INFO] [stderr]     Checking thread_builder v0.1.0 (/opt/rustwide/workdir/src/thread_builder)
[INFO] [stderr]     Checking fileio v0.1.0 (/opt/rustwide/workdir/src/fileio)
[INFO] [stderr]     Checking deadlocks v0.1.0 (/opt/rustwide/workdir/src/deadlocks)
[INFO] [stderr]     Checking refc2 v0.1.0 (/opt/rustwide/workdir/src/refc2)
[INFO] [stdout] warning: fields `id` and `x` are never read
[INFO] [stdout]   --> src/dropping2/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct HasDropables {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 19 |     id: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     x: MyStruct,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lifetimes v0.1.0 (/opt/rustwide/workdir/src/lifetimes)
[INFO] [stderr]     Checking footgun v0.1.0 (/opt/rustwide/workdir/src/footgun)
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/refc2/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for i in 0..10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]     Checking av1-grain v0.2.4
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]     Checking hello_thread v0.1.0 (/opt/rustwide/workdir/src/hello_thread)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/refc2/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for i in 0..10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr] error: could not compile `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/987a165cfab916796a8315782b83ac460a651ce2/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_taskdump)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(tokio_uring)' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="rt"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=c5529dcc06921ff9 -C extra-filename=-207c7ad33410a610 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-1e0f2c5263ca78fd.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-09522c64e5b010a9.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-fe1fd678fd41d7ed.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-2ecca6b667797f49.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-bc14ea54f1262bce.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e5eb084e2d2709f1f09d2fde3da89b0222721576a0a783beeb8446e4b89e050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5eb084e2d2709f1f09d2fde3da89b0222721576a0a783beeb8446e4b89e050", kill_on_drop: false }`
[INFO] [stdout] 9e5eb084e2d2709f1f09d2fde3da89b0222721576a0a783beeb8446e4b89e050
