[INFO] fetching crate seekable-iterator 0.4.0...
[INFO] testing seekable-iterator-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate seekable-iterator 0.4.0 into /workspace/builds/worker-5-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate seekable-iterator 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clone-behavior v0.1.0
[INFO] [stderr]   Downloaded lender v0.4.0
[INFO] [stderr]   Downloaded generic-container v0.2.2
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded nougat v0.2.4
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded kanal v0.1.1
[INFO] [stderr]   Downloaded trybuild v1.0.113
[INFO] [stderr]   Downloaded lending-iterator v0.1.7
[INFO] [stderr]   Downloaded nougat-proc_macros v0.2.4
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
[INFO] [stderr]   Downloaded stable_try_trait_v2 v1.75.1
[INFO] [stderr]   Downloaded lending-iterator-proc_macros v0.1.7
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded anchored-pool v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d58ed1ea17b54285cff9e9ce9c02b8e7e8cb466813e2ee5b6cc5697cd68f882c
[INFO] running `Command { std: "docker" "start" "-a" "d58ed1ea17b54285cff9e9ce9c02b8e7e8cb466813e2ee5b6cc5697cd68f882c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d58ed1ea17b54285cff9e9ce9c02b8e7e8cb466813e2ee5b6cc5697cd68f882c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58ed1ea17b54285cff9e9ce9c02b8e7e8cb466813e2ee5b6cc5697cd68f882c", kill_on_drop: false }`
[INFO] [stdout] d58ed1ea17b54285cff9e9ce9c02b8e7e8cb466813e2ee5b6cc5697cd68f882c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9aa8e394ac1b126e9ca94e886e24bdc46d50bf85dd317f21d7fd25d834aa6d6
[INFO] running `Command { std: "docker" "start" "-a" "a9aa8e394ac1b126e9ca94e886e24bdc46d50bf85dd317f21d7fd25d834aa6d6", 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "a9aa8e394ac1b126e9ca94e886e24bdc46d50bf85dd317f21d7fd25d834aa6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9aa8e394ac1b126e9ca94e886e24bdc46d50bf85dd317f21d7fd25d834aa6d6", kill_on_drop: false }`
[INFO] [stdout] a9aa8e394ac1b126e9ca94e886e24bdc46d50bf85dd317f21d7fd25d834aa6d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59a47752dc0048e03c0d3e80294f2f86124f5e09cc5b7f150f406e7bd598cb73
[INFO] running `Command { std: "docker" "start" "-a" "59a47752dc0048e03c0d3e80294f2f86124f5e09cc5b7f150f406e7bd598cb73", 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 0.40s
[INFO] running `Command { std: "docker" "inspect" "59a47752dc0048e03c0d3e80294f2f86124f5e09cc5b7f150f406e7bd598cb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a47752dc0048e03c0d3e80294f2f86124f5e09cc5b7f150f406e7bd598cb73", kill_on_drop: false }`
[INFO] [stdout] 59a47752dc0048e03c0d3e80294f2f86124f5e09cc5b7f150f406e7bd598cb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e10e2ce77e8ac7d45608f07fa1f19e5207e3ecd0b0bcf6483c17841a14993dcc
[INFO] running `Command { std: "docker" "start" "-a" "e10e2ce77e8ac7d45608f07fa1f19e5207e3ecd0b0bcf6483c17841a14993dcc", 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 0.07s
[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" "e10e2ce77e8ac7d45608f07fa1f19e5207e3ecd0b0bcf6483c17841a14993dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10e2ce77e8ac7d45608f07fa1f19e5207e3ecd0b0bcf6483c17841a14993dcc", kill_on_drop: false }`
[INFO] [stdout] e10e2ce77e8ac7d45608f07fa1f19e5207e3ecd0b0bcf6483c17841a14993dcc