[INFO] fetching crate pollen 0.1.1...
[INFO] testing pollen-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pollen 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pollen 0.1.1
[INFO] finished tweaking crates.io crate pollen 0.1.1
[INFO] tweaked toml for crates.io crate pollen 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pollen 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76be4a015ebf899cc72923d07bdf0712751d87abe44f8a5741d8c647c846331
[INFO] running `Command { std: "docker" "start" "-a" "a76be4a015ebf899cc72923d07bdf0712751d87abe44f8a5741d8c647c846331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76be4a015ebf899cc72923d07bdf0712751d87abe44f8a5741d8c647c846331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76be4a015ebf899cc72923d07bdf0712751d87abe44f8a5741d8c647c846331", kill_on_drop: false }`
[INFO] [stdout] a76be4a015ebf899cc72923d07bdf0712751d87abe44f8a5741d8c647c846331
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b325b4706a0437126ccee9130981d7f1fa51dbd22395a789f111a98f8160a40
[INFO] running `Command { std: "docker" "start" "-a" "4b325b4706a0437126ccee9130981d7f1fa51dbd22395a789f111a98f8160a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling pollen-sys v0.1.0
[INFO] [stderr]    Compiling pollen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ptr` and `length` are never read
[INFO] [stdout]   --> src/lib.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct String {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 78 |         ptr: *mut u8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 79 |         length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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 0.21s
[INFO] running `Command { std: "docker" "inspect" "4b325b4706a0437126ccee9130981d7f1fa51dbd22395a789f111a98f8160a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b325b4706a0437126ccee9130981d7f1fa51dbd22395a789f111a98f8160a40", kill_on_drop: false }`
[INFO] [stdout] 4b325b4706a0437126ccee9130981d7f1fa51dbd22395a789f111a98f8160a40
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] effce160163c95f1d1c9a4bb2960e7e31394ccf74b31a64a1a279fc38e6f43f1
[INFO] running `Command { std: "docker" "start" "-a" "effce160163c95f1d1c9a4bb2960e7e31394ccf74b31a64a1a279fc38e6f43f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pollen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ptr` and `length` are never read
[INFO] [stdout]   --> src/lib.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct String {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 78 |         ptr: *mut u8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 79 |         length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ptr` and `length` are never read
[INFO] [stdout]   --> src/lib.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct String {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 78 |         ptr: *mut u8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 79 |         length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "effce160163c95f1d1c9a4bb2960e7e31394ccf74b31a64a1a279fc38e6f43f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effce160163c95f1d1c9a4bb2960e7e31394ccf74b31a64a1a279fc38e6f43f1", kill_on_drop: false }`
[INFO] [stdout] effce160163c95f1d1c9a4bb2960e7e31394ccf74b31a64a1a279fc38e6f43f1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bbf27c4aec2202dc9d0b7e877bd0028736377a42801e9169812262f7831fa8c
[INFO] running `Command { std: "docker" "start" "-a" "8bbf27c4aec2202dc9d0b7e877bd0028736377a42801e9169812262f7831fa8c", kill_on_drop: false }`
[INFO] [stderr] warning: fields `ptr` and `length` are never read
[INFO] [stderr]   --> src/lib.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub struct String {
[INFO] [stderr]    |                ------ fields in this struct
[INFO] [stderr] 78 |         ptr: *mut u8,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 79 |         length: usize,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pollen` (lib) generated 1 warning
[INFO] [stderr] warning: `pollen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pollen-d0904bd88bbece85)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests pollen
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "8bbf27c4aec2202dc9d0b7e877bd0028736377a42801e9169812262f7831fa8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bbf27c4aec2202dc9d0b7e877bd0028736377a42801e9169812262f7831fa8c", kill_on_drop: false }`
[INFO] [stdout] 8bbf27c4aec2202dc9d0b7e877bd0028736377a42801e9169812262f7831fa8c