[INFO] fetching crate pollen 0.1.1...
[INFO] testing pollen-0.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate pollen 0.1.1 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pollen 0.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e747efd79681816cb77e31a94df20154906aa90906f9c57ac7895c2d2b53e7fd
[INFO] running `Command { std: "docker" "start" "-a" "e747efd79681816cb77e31a94df20154906aa90906f9c57ac7895c2d2b53e7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e747efd79681816cb77e31a94df20154906aa90906f9c57ac7895c2d2b53e7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e747efd79681816cb77e31a94df20154906aa90906f9c57ac7895c2d2b53e7fd", kill_on_drop: false }`
[INFO] [stdout] e747efd79681816cb77e31a94df20154906aa90906f9c57ac7895c2d2b53e7fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea7d5846ad75e93bfd23bf7619f7f1699ff75713b8a916c06890f7351478c9aa
[INFO] running `Command { std: "docker" "start" "-a" "ea7d5846ad75e93bfd23bf7619f7f1699ff75713b8a916c06890f7351478c9aa", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "ea7d5846ad75e93bfd23bf7619f7f1699ff75713b8a916c06890f7351478c9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7d5846ad75e93bfd23bf7619f7f1699ff75713b8a916c06890f7351478c9aa", kill_on_drop: false }`
[INFO] [stdout] ea7d5846ad75e93bfd23bf7619f7f1699ff75713b8a916c06890f7351478c9aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f563c793667a0fbffdf882945fb40d5e4cbafdc01c3797adc7113c9487451a45
[INFO] running `Command { std: "docker" "start" "-a" "f563c793667a0fbffdf882945fb40d5e4cbafdc01c3797adc7113c9487451a45", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "f563c793667a0fbffdf882945fb40d5e4cbafdc01c3797adc7113c9487451a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f563c793667a0fbffdf882945fb40d5e4cbafdc01c3797adc7113c9487451a45", kill_on_drop: false }`
[INFO] [stdout] f563c793667a0fbffdf882945fb40d5e4cbafdc01c3797adc7113c9487451a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee2ed62de933fa3bd62040d24256660801b2129403377b80928c4debe5243b8f
[INFO] running `Command { std: "docker" "start" "-a" "ee2ed62de933fa3bd62040d24256660801b2129403377b80928c4debe5243b8f", 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)]` 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pollen-6a99a8d609f1dba0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pollen
[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" "ee2ed62de933fa3bd62040d24256660801b2129403377b80928c4debe5243b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2ed62de933fa3bd62040d24256660801b2129403377b80928c4debe5243b8f", kill_on_drop: false }`
[INFO] [stdout] ee2ed62de933fa3bd62040d24256660801b2129403377b80928c4debe5243b8f