[INFO] fetching crate assignment2_coursehomework_ff61c2 0.1.0...
[INFO] testing assignment2_coursehomework_ff61c2-0.1.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate assignment2_coursehomework_ff61c2 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate assignment2_coursehomework_ff61c2 0.1.0
[INFO] finished tweaking crates.io crate assignment2_coursehomework_ff61c2 0.1.0
[INFO] tweaked toml for crates.io crate assignment2_coursehomework_ff61c2 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate assignment2_coursehomework_ff61c2 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] crate crates.io crate assignment2_coursehomework_ff61c2 0.1.0 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-2026-04-21" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2037a92da6caa6349372a138859d124d719eda5d728dfe77f1f16f8d3b1c1ac8
[INFO] running `Command { std: "docker" "start" "-a" "2037a92da6caa6349372a138859d124d719eda5d728dfe77f1f16f8d3b1c1ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2037a92da6caa6349372a138859d124d719eda5d728dfe77f1f16f8d3b1c1ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2037a92da6caa6349372a138859d124d719eda5d728dfe77f1f16f8d3b1c1ac8", kill_on_drop: false }`
[INFO] [stdout] 2037a92da6caa6349372a138859d124d719eda5d728dfe77f1f16f8d3b1c1ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] aca76cd1d1ad5f5125952f57f7f872dee012de708dbf9d0eab85b16520fec667
[INFO] running `Command { std: "docker" "start" "-a" "aca76cd1d1ad5f5125952f57f7f872dee012de708dbf9d0eab85b16520fec667", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.17
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling assignment2_coursehomework_ff61c2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.75s
[INFO] running `Command { std: "docker" "inspect" "aca76cd1d1ad5f5125952f57f7f872dee012de708dbf9d0eab85b16520fec667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca76cd1d1ad5f5125952f57f7f872dee012de708dbf9d0eab85b16520fec667", kill_on_drop: false }`
[INFO] [stdout] aca76cd1d1ad5f5125952f57f7f872dee012de708dbf9d0eab85b16520fec667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7e3b008586e712b02a7f1103627ed05bfa0dd8149e2dfe275d3f69a97e3fe1ff
[INFO] running `Command { std: "docker" "start" "-a" "7e3b008586e712b02a7f1103627ed05bfa0dd8149e2dfe275d3f69a97e3fe1ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment2_coursehomework_ff61c2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "7e3b008586e712b02a7f1103627ed05bfa0dd8149e2dfe275d3f69a97e3fe1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3b008586e712b02a7f1103627ed05bfa0dd8149e2dfe275d3f69a97e3fe1ff", kill_on_drop: false }`
[INFO] [stdout] 7e3b008586e712b02a7f1103627ed05bfa0dd8149e2dfe275d3f69a97e3fe1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6c0cefca03e8182d0e2d8669c02a559789cffda724ccd9c8708a2a28ac921495
[INFO] running `Command { std: "docker" "start" "-a" "6c0cefca03e8182d0e2d8669c02a559789cffda724ccd9c8708a2a28ac921495", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/assignment2_coursehomework_ff61c2-1571e21d0aae546c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests assignment2_coursehomework_ff61c2
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::result_types_work ... ok
[INFO] [stdout] test tests::structs_and_enums_work ... ok
[INFO] [stdout] test tests::traits_work ... ok
[INFO] [stdout] test tests::traits_work2 ... ok
[INFO] [stdout] test tests::extremely_cool_stuff_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/magic_course_homework.rs - magic_course_homework::Archaeomancer (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c0cefca03e8182d0e2d8669c02a559789cffda724ccd9c8708a2a28ac921495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0cefca03e8182d0e2d8669c02a559789cffda724ccd9c8708a2a28ac921495", kill_on_drop: false }`
[INFO] [stdout] 6c0cefca03e8182d0e2d8669c02a559789cffda724ccd9c8708a2a28ac921495