[INFO] fetching crate advocat 3.0.0...
[INFO] testing advocat-3.0.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate advocat 3.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate advocat 3.0.0
[INFO] finished tweaking crates.io crate advocat 3.0.0
[INFO] tweaked toml for crates.io crate advocat 3.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate advocat 3.0.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate advocat 3.0.0 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" "+beta-2026-03-05" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c889ea2c907dfac9c370ef57e7943c9d4b1b9f68b2deeac18f4d7bc355e5d86
[INFO] running `Command { std: "docker" "start" "-a" "2c889ea2c907dfac9c370ef57e7943c9d4b1b9f68b2deeac18f4d7bc355e5d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c889ea2c907dfac9c370ef57e7943c9d4b1b9f68b2deeac18f4d7bc355e5d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c889ea2c907dfac9c370ef57e7943c9d4b1b9f68b2deeac18f4d7bc355e5d86", kill_on_drop: false }`
[INFO] [stdout] 2c889ea2c907dfac9c370ef57e7943c9d4b1b9f68b2deeac18f4d7bc355e5d86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87abd67b9298ae3b50200e06c965c204e7c7e00b9a59d783b80929335483806a
[INFO] running `Command { std: "docker" "start" "-a" "87abd67b9298ae3b50200e06c965c204e7c7e00b9a59d783b80929335483806a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling configparser v3.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling advocat v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/problem.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Problem {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "87abd67b9298ae3b50200e06c965c204e7c7e00b9a59d783b80929335483806a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87abd67b9298ae3b50200e06c965c204e7c7e00b9a59d783b80929335483806a", kill_on_drop: false }`
[INFO] [stdout] 87abd67b9298ae3b50200e06c965c204e7c7e00b9a59d783b80929335483806a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b63ee64cd72f4cfe523f003f601ada144c4102a847f73ab2cdd961d47f61081
[INFO] running `Command { std: "docker" "start" "-a" "9b63ee64cd72f4cfe523f003f601ada144c4102a847f73ab2cdd961d47f61081", kill_on_drop: false }`
[INFO] [stderr]    Compiling advocat v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/problem.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Problem {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelfCleaningTmp` is never constructed
[INFO] [stdout]  --> src/test_utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct SelfCleaningTmp {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/test_utils.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl SelfCleaningTmp {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(module: &str, test_name: &str) -> SelfCleaningTmp {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/test_utils.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if CONFIG.is_none() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/test_utils.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         CONFIG.clone().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "9b63ee64cd72f4cfe523f003f601ada144c4102a847f73ab2cdd961d47f61081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b63ee64cd72f4cfe523f003f601ada144c4102a847f73ab2cdd961d47f61081", kill_on_drop: false }`
[INFO] [stdout] 9b63ee64cd72f4cfe523f003f601ada144c4102a847f73ab2cdd961d47f61081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd1e6352d7681a87491ff32736f2d1c18c01b6ff3a8e7e38e791cd2008f22652
[INFO] running `Command { std: "docker" "start" "-a" "dd1e6352d7681a87491ff32736f2d1c18c01b6ff3a8e7e38e791cd2008f22652", kill_on_drop: false }`
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/problem.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Problem {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 11 |     pub id: String,
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SelfCleaningTmp` is never constructed
[INFO] [stderr]  --> src/test_utils.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct SelfCleaningTmp {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/test_utils.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl SelfCleaningTmp {
[INFO] [stderr]    | -------------------- associated function in this implementation
[INFO] [stderr] 13 |     pub fn new(module: &str, test_name: &str) -> SelfCleaningTmp {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/test_utils.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if CONFIG.is_none() {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/test_utils.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         CONFIG.clone().unwrap()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `advocat` (lib) generated 1 warning
[INFO] [stderr] warning: `advocat` (lib test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advocat-b7fba6ffd9558518)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr] double free or corruption (fasttop)
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/advocat-b7fba6ffd9558518` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "dd1e6352d7681a87491ff32736f2d1c18c01b6ff3a8e7e38e791cd2008f22652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1e6352d7681a87491ff32736f2d1c18c01b6ff3a8e7e38e791cd2008f22652", kill_on_drop: false }`
[INFO] [stdout] dd1e6352d7681a87491ff32736f2d1c18c01b6ff3a8e7e38e791cd2008f22652
