[INFO] fetching crate pow 0.2.0...
[INFO] testing pow-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pow 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pow 0.2.0
[INFO] finished tweaking crates.io crate pow 0.2.0
[INFO] tweaked toml for crates.io crate pow 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pow 0.2.0 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 22 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding sha2 v0.8.2 (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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4e0c47f0897190020dbdfb5365e989e600d5aef282a7593d53959fd98502a00d
[INFO] running `Command { std: "docker" "start" "-a" "4e0c47f0897190020dbdfb5365e989e600d5aef282a7593d53959fd98502a00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0c47f0897190020dbdfb5365e989e600d5aef282a7593d53959fd98502a00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0c47f0897190020dbdfb5365e989e600d5aef282a7593d53959fd98502a00d", kill_on_drop: false }`
[INFO] [stdout] 4e0c47f0897190020dbdfb5365e989e600d5aef282a7593d53959fd98502a00d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8cc6321fb199d30ac4a8637e67f03ea2fa880c5a2189f7dc10edc24d88870878
[INFO] running `Command { std: "docker" "start" "-a" "8cc6321fb199d30ac4a8637e67f03ea2fa880c5a2189f7dc10edc24d88870878", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `bincode::Config`: please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cfg = bincode::config();
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "8cc6321fb199d30ac4a8637e67f03ea2fa880c5a2189f7dc10edc24d88870878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc6321fb199d30ac4a8637e67f03ea2fa880c5a2189f7dc10edc24d88870878", kill_on_drop: false }`
[INFO] [stdout] 8cc6321fb199d30ac4a8637e67f03ea2fa880c5a2189f7dc10edc24d88870878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6e9e46c867134bd330eee09d14b330f5ca58ee656f07dbacf261daedf52e97f8
[INFO] running `Command { std: "docker" "start" "-a" "6e9e46c867134bd330eee09d14b330f5ca58ee656f07dbacf261daedf52e97f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `bincode::Config`: please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cfg = bincode::config();
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `bincode::Config`: please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cfg = bincode::config();
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "6e9e46c867134bd330eee09d14b330f5ca58ee656f07dbacf261daedf52e97f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9e46c867134bd330eee09d14b330f5ca58ee656f07dbacf261daedf52e97f8", kill_on_drop: false }`
[INFO] [stdout] 6e9e46c867134bd330eee09d14b330f5ca58ee656f07dbacf261daedf52e97f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bf9c4bd8669d3e3d4ed9e1f53c9327426666b00dbffd3aebc3d8d8125c683f58
[INFO] running `Command { std: "docker" "start" "-a" "bf9c4bd8669d3e3d4ed9e1f53c9327426666b00dbffd3aebc3d8d8125c683f58", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated struct `bincode::Config`: please use the `DefaultOptions`/`Options` system instead
[INFO] [stderr]   --> src/proof_of_work.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stderr]   --> src/proof_of_work.rs:80:28
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut cfg = bincode::config();
[INFO] [stderr]    |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pow` (lib) generated 2 warnings
[INFO] [stderr] warning: `pow` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pow-29a36f3ffb57cc3d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test proof_of_work::test::ser_de_no_spook ... ok
[INFO] [stdout] test proof_of_work::test::double_pow ... ok
[INFO] [stdout] test proof_of_work::test::ser_de ... ok
[INFO] [stdout] test proof_of_work::test::base_functionality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pow
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf9c4bd8669d3e3d4ed9e1f53c9327426666b00dbffd3aebc3d8d8125c683f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9c4bd8669d3e3d4ed9e1f53c9327426666b00dbffd3aebc3d8d8125c683f58", kill_on_drop: false }`
[INFO] [stdout] bf9c4bd8669d3e3d4ed9e1f53c9327426666b00dbffd3aebc3d8d8125c683f58
