[INFO] fetching crate seekable-iterator 0.4.0...
[INFO] testing seekable-iterator-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate seekable-iterator 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate seekable-iterator 0.4.0
[INFO] finished tweaking crates.io crate seekable-iterator 0.4.0
[INFO] tweaked toml for crates.io crate seekable-iterator 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seekable-iterator 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seekable-iterator 0.4.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c34c192572b407ca9bb1b57e864fc29372b05e105a842c10b36c265f9faf62e
[INFO] running `Command { std: "docker" "start" "-a" "9c34c192572b407ca9bb1b57e864fc29372b05e105a842c10b36c265f9faf62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c34c192572b407ca9bb1b57e864fc29372b05e105a842c10b36c265f9faf62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c34c192572b407ca9bb1b57e864fc29372b05e105a842c10b36c265f9faf62e", kill_on_drop: false }`
[INFO] [stdout] 9c34c192572b407ca9bb1b57e864fc29372b05e105a842c10b36c265f9faf62e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e327fefd9cfaa1b09599bbd6cc839666a0dc0235731a7a3e37311920b6b524a
[INFO] running `Command { std: "docker" "start" "-a" "1e327fefd9cfaa1b09599bbd6cc839666a0dc0235731a7a3e37311920b6b524a", kill_on_drop: false }`
[INFO] [stderr]    Compiling clone-behavior v0.1.0
[INFO] [stderr]    Compiling generic-container v0.2.2
[INFO] [stderr]    Compiling seekable-iterator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1e327fefd9cfaa1b09599bbd6cc839666a0dc0235731a7a3e37311920b6b524a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e327fefd9cfaa1b09599bbd6cc839666a0dc0235731a7a3e37311920b6b524a", kill_on_drop: false }`
[INFO] [stdout] 1e327fefd9cfaa1b09599bbd6cc839666a0dc0235731a7a3e37311920b6b524a
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef56567bc7edcd1ee8f4073c829dd63ed82062c69f67171e1ff423ea3f53c2d1
[INFO] running `Command { std: "docker" "start" "-a" "ef56567bc7edcd1ee8f4073c829dd63ed82062c69f67171e1ff423ea3f53c2d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling seekable-iterator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestIter` is never constructed
[INFO] [stdout]   --> src/test_iter.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct TestIter<'a> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/test_iter.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'a> TestIter<'a> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 17 |     /// Checks that `data` is sorted.
[INFO] [stdout] 18 |     pub(crate) fn new(data: &'a [u8]) -> Option<Self> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "ef56567bc7edcd1ee8f4073c829dd63ed82062c69f67171e1ff423ea3f53c2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef56567bc7edcd1ee8f4073c829dd63ed82062c69f67171e1ff423ea3f53c2d1", kill_on_drop: false }`
[INFO] [stdout] ef56567bc7edcd1ee8f4073c829dd63ed82062c69f67171e1ff423ea3f53c2d1
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5b546b592937bae8129987a62df1f8d8aac3aaf69b648a70680ce08ae0dc002
[INFO] running `Command { std: "docker" "start" "-a" "c5b546b592937bae8129987a62df1f8d8aac3aaf69b648a70680ce08ae0dc002", kill_on_drop: false }`
[INFO] [stderr] warning: struct `TestIter` is never constructed
[INFO] [stderr]   --> src/test_iter.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub(crate) struct TestIter<'a> {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/test_iter.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl<'a> TestIter<'a> {
[INFO] [stderr]    | --------------------- associated function in this implementation
[INFO] [stderr] 17 |     /// Checks that `data` is sorted.
[INFO] [stderr] 18 |     pub(crate) fn new(data: &'a [u8]) -> Option<Self> {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `seekable-iterator` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seekable_iterator-b3ca64a5d34ab989)
[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]    Doc-tests seekable_iterator
[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" "c5b546b592937bae8129987a62df1f8d8aac3aaf69b648a70680ce08ae0dc002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b546b592937bae8129987a62df1f8d8aac3aaf69b648a70680ce08ae0dc002", kill_on_drop: false }`
[INFO] [stdout] c5b546b592937bae8129987a62df1f8d8aac3aaf69b648a70680ce08ae0dc002