[INFO] fetching crate sokoban 0.2.3...
[INFO] testing sokoban-0.2.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate sokoban 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sokoban 0.2.3
[INFO] finished tweaking crates.io crate sokoban 0.2.3
[INFO] tweaked toml for crates.io crate sokoban 0.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sokoban 0.2.3 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39733fbc745a386467861192ddc05d7e1cc0d3340eff120cdfd241e8f62ef836
[INFO] running `Command { std: "docker" "start" "-a" "39733fbc745a386467861192ddc05d7e1cc0d3340eff120cdfd241e8f62ef836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39733fbc745a386467861192ddc05d7e1cc0d3340eff120cdfd241e8f62ef836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39733fbc745a386467861192ddc05d7e1cc0d3340eff120cdfd241e8f62ef836", kill_on_drop: false }`
[INFO] [stdout] 39733fbc745a386467861192ddc05d7e1cc0d3340eff120cdfd241e8f62ef836
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 339e61f4694e2dfd533e63f90058896524084a8b8fbadc401e355fcf01a280b0
[INFO] running `Command { std: "docker" "start" "-a" "339e61f4694e2dfd533e63f90058896524084a8b8fbadc401e355fcf01a280b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling sokoban v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn iter(&self) -> StateIterator {
[INFO] [stdout]     |                 ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn iter(&self) -> StateIterator<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "339e61f4694e2dfd533e63f90058896524084a8b8fbadc401e355fcf01a280b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339e61f4694e2dfd533e63f90058896524084a8b8fbadc401e355fcf01a280b0", kill_on_drop: false }`
[INFO] [stdout] 339e61f4694e2dfd533e63f90058896524084a8b8fbadc401e355fcf01a280b0
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f46992d7e2d9e6e4cacd66794095e2c0bf15ca076b5ccaac91e5c3d103342fe1
[INFO] running `Command { std: "docker" "start" "-a" "f46992d7e2d9e6e4cacd66794095e2c0bf15ca076b5ccaac91e5c3d103342fe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn iter(&self) -> StateIterator {
[INFO] [stdout]     |                 ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn iter(&self) -> StateIterator<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.9
[INFO] [stderr] warning: libfuzzer-sys@0.4.9: Compiler family detection failed due to error: ToolNotFound: failed to find tool "x86_64-linux-musl-g++": No such file or directory (os error 2)
[INFO] [stderr] error: failed to run custom build command for `libfuzzer-sys v0.4.9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libfuzzer-sys-d5631231a8b29599/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=CUSTOM_LIBFUZZER_PATH
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerUtil.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerCrossOver.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerExtraCountersDarwin.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerMerge.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerUtilLinux.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerLoop.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerExtraCountersWindows.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerDataFlowTrace.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerDriver.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerIOPosix.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerInterceptors.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerIO.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerMain.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerUtilDarwin.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerIOWindows.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerExtraCounters.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerUtilPosix.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerTracePC.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerExtFunctionsWeak.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerExtFunctionsDlsym.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerFork.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerUtilFuchsia.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerUtilWindows.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerSHA1.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerMutate.cpp
[INFO] [stderr]   cargo:rerun-if-changed=libfuzzer/FuzzerExtFunctionsWindows.cpp
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/libfuzzer-sys-9fa3358c48234a58/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64-unknown-linux-musl
[INFO] [stderr]   CXX_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64_unknown_linux_musl
[INFO] [stderr]   CXX_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXX
[INFO] [stderr]   TARGET_CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX
[INFO] [stderr]   CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CROSS_COMPILE
[INFO] [stderr]   CROSS_COMPILE = None
[INFO] [stderr]   RUSTC_LINKER = None
[INFO] [stderr]   PATH = Some(/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: failed to find tool "x86_64-linux-musl-g++": No such file or directory (os error 2)
[INFO] [stderr]   RUSTC_WRAPPER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: failed to find tool "x86_64-linux-musl-g++": No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "f46992d7e2d9e6e4cacd66794095e2c0bf15ca076b5ccaac91e5c3d103342fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46992d7e2d9e6e4cacd66794095e2c0bf15ca076b5ccaac91e5c3d103342fe1", kill_on_drop: false }`
[INFO] [stdout] f46992d7e2d9e6e4cacd66794095e2c0bf15ca076b5ccaac91e5c3d103342fe1