[INFO] fetching crate proof-fair 0.1.0...
[INFO] testing proof-fair-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate proof-fair 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate proof-fair 0.1.0
[INFO] finished tweaking crates.io crate proof-fair 0.1.0
[INFO] tweaked toml for crates.io crate proof-fair 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proof-fair 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding crypto-common v0.1.7 (available: v0.2.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hex-literal v0.4.1 (available: v1.1.0)
[INFO] [stderr]       Adding hmac v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 360cca2facd3890c3bcb07d84ce4b4af6f1bac468f9bdd0c724219e45fa67cd6
[INFO] running `Command { std: "docker" "start" "-a" "360cca2facd3890c3bcb07d84ce4b4af6f1bac468f9bdd0c724219e45fa67cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "360cca2facd3890c3bcb07d84ce4b4af6f1bac468f9bdd0c724219e45fa67cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360cca2facd3890c3bcb07d84ce4b4af6f1bac468f9bdd0c724219e45fa67cd6", kill_on_drop: false }`
[INFO] [stdout] 360cca2facd3890c3bcb07d84ce4b4af6f1bac468f9bdd0c724219e45fa67cd6
[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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a949a1d77e8e96ca922f959619cbb2f189849fefb5322e9300252273afbdef72
[INFO] running `Command { std: "docker" "start" "-a" "a949a1d77e8e96ca922f959619cbb2f189849fefb5322e9300252273afbdef72", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling hex-literal v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling proof-fair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "a949a1d77e8e96ca922f959619cbb2f189849fefb5322e9300252273afbdef72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a949a1d77e8e96ca922f959619cbb2f189849fefb5322e9300252273afbdef72", kill_on_drop: false }`
[INFO] [stdout] a949a1d77e8e96ca922f959619cbb2f189849fefb5322e9300252273afbdef72
[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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e354e8dfa39feac21da026dea55c97dda7fb41a438af9e5516fa93a737b5ed4a
[INFO] running `Command { std: "docker" "start" "-a" "e354e8dfa39feac21da026dea55c97dda7fb41a438af9e5516fa93a737b5ed4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proof-fair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e354e8dfa39feac21da026dea55c97dda7fb41a438af9e5516fa93a737b5ed4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e354e8dfa39feac21da026dea55c97dda7fb41a438af9e5516fa93a737b5ed4a", kill_on_drop: false }`
[INFO] [stdout] e354e8dfa39feac21da026dea55c97dda7fb41a438af9e5516fa93a737b5ed4a
[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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e9db6a2a5257a96c50c65cce7a0a0ca2452978f6542eee2873e6ff20c557879
[INFO] running `Command { std: "docker" "start" "-a" "9e9db6a2a5257a96c50c65cce7a0a0ca2452978f6542eee2873e6ff20c557879", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/proof_fair-ce0dbcde8e347735)
[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/proof.rs (/opt/rustwide/target/debug/deps/proof-5b661234c292233d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_proof_new ... ok
[INFO] [stdout] test tests::test_proof_calculate ... ok
[INFO] [stdout] test tests::test_proof_roll ... 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]    Doc-tests proof_fair
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Proof::calculate (line 138) ... FAILED
[INFO] [stdout] test src/lib.rs - Proof (line 19) ... FAILED
[INFO] [stdout] test src/lib.rs - Proof::new (line 51) ... FAILED
[INFO] [stdout] test src/lib.rs - Proof::verify (line 201) ... FAILED
[INFO] [stdout] test src/lib.rs - new_seed (line 243) ... FAILED
[INFO] [stdout] test src/lib.rs - Proof::roll (line 111) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Proof::calculate (line 138) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hmac_rng`
[INFO] [stdout]    --> src/lib.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | use hmac_rng::Proof;
[INFO] [stdout]     |     ^^^^^^^^ use of unresolved module or unlinked crate `hmac_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hmac_rng`, use `cargo add hmac_rng` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Proof (line 19) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hmac_rng`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use hmac_rng::Proof;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `hmac_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `hmac_rng`, use `cargo add hmac_rng` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Proof::new (line 51) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hmac_rng`
[INFO] [stdout]   --> src/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use hmac_rng::Proof;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `hmac_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `hmac_rng`, use `cargo add hmac_rng` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Proof::verify (line 201) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hmac_rng`
[INFO] [stdout]    --> src/lib.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | use hmac_rng::Proof;
[INFO] [stdout]     |     ^^^^^^^^ use of unresolved module or unlinked crate `hmac_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hmac_rng`, use `cargo add hmac_rng` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - new_seed (line 243) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hmac_rng`
[INFO] [stdout]    --> src/lib.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | use hmac_rng::new_seed;
[INFO] [stdout]     |     ^^^^^^^^ use of unresolved module or unlinked crate `hmac_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hmac_rng`, use `cargo add hmac_rng` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Proof::roll (line 111) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hmac_rng`
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | use hmac_rng::Proof;
[INFO] [stdout]     |     ^^^^^^^^ use of unresolved module or unlinked crate `hmac_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hmac_rng`, use `cargo add hmac_rng` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Proof (line 19)
[INFO] [stdout]     src/lib.rs - Proof::calculate (line 138)
[INFO] [stdout]     src/lib.rs - Proof::new (line 51)
[INFO] [stdout]     src/lib.rs - Proof::roll (line 111)
[INFO] [stdout]     src/lib.rs - Proof::verify (line 201)
[INFO] [stdout]     src/lib.rs - new_seed (line 243)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9e9db6a2a5257a96c50c65cce7a0a0ca2452978f6542eee2873e6ff20c557879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9db6a2a5257a96c50c65cce7a0a0ca2452978f6542eee2873e6ff20c557879", kill_on_drop: false }`
[INFO] [stdout] 9e9db6a2a5257a96c50c65cce7a0a0ca2452978f6542eee2873e6ff20c557879
