[INFO] fetching crate fast_stream 0.0.1...
[INFO] testing fast_stream-0.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fast_stream 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate fast_stream 0.0.1
[INFO] finished tweaking crates.io crate fast_stream 0.0.1
[INFO] tweaked toml for crates.io crate fast_stream 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_stream 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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] 62dc6ab0098f18dd2efcd6b12e14a1948975a2df0a8c278df29f80fd4a02d9f4
[INFO] running `Command { std: "docker" "start" "-a" "62dc6ab0098f18dd2efcd6b12e14a1948975a2df0a8c278df29f80fd4a02d9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62dc6ab0098f18dd2efcd6b12e14a1948975a2df0a8c278df29f80fd4a02d9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dc6ab0098f18dd2efcd6b12e14a1948975a2df0a8c278df29f80fd4a02d9f4", kill_on_drop: false }`
[INFO] [stdout] 62dc6ab0098f18dd2efcd6b12e14a1948975a2df0a8c278df29f80fd4a02d9f4
[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] f06e0269b6b4ee49b0a67df78e4f01197955459e82bb6536d2fdb4d17656d1a9
[INFO] running `Command { std: "docker" "start" "-a" "f06e0269b6b4ee49b0a67df78e4f01197955459e82bb6536d2fdb4d17656d1a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast_stream v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::length::Len`
[INFO] [stdout]  --> src/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::length::Len;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/stream.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "f06e0269b6b4ee49b0a67df78e4f01197955459e82bb6536d2fdb4d17656d1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06e0269b6b4ee49b0a67df78e4f01197955459e82bb6536d2fdb4d17656d1a9", kill_on_drop: false }`
[INFO] [stdout] f06e0269b6b4ee49b0a67df78e4f01197955459e82bb6536d2fdb4d17656d1a9
[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] dea4703abc608d0d8c40f9eea8f290ab733d636a7294715eab256b6dfef3d96f
[INFO] running `Command { std: "docker" "start" "-a" "dea4703abc608d0d8c40f9eea8f290ab733d636a7294715eab256b6dfef3d96f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::length::Len`
[INFO] [stdout]  --> src/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::length::Len;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/stream.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fast_stream v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::length::Len`
[INFO] [stdout]  --> src/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::length::Len;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/stream.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "dea4703abc608d0d8c40f9eea8f290ab733d636a7294715eab256b6dfef3d96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea4703abc608d0d8c40f9eea8f290ab733d636a7294715eab256b6dfef3d96f", kill_on_drop: false }`
[INFO] [stdout] dea4703abc608d0d8c40f9eea8f290ab733d636a7294715eab256b6dfef3d96f
[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] 0fbc35aaee411d52121573f3e52db4c3caab264559180c92d8b9f9796ec64691
[INFO] running `Command { std: "docker" "start" "-a" "0fbc35aaee411d52121573f3e52db4c3caab264559180c92d8b9f9796ec64691", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::length::Len`
[INFO] [stderr]  --> src/stream.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::length::Len;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cursor`
[INFO] [stderr]  --> src/stream.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fast_stream` (lib) generated 2 warnings (run `cargo fix --lib -p fast_stream` to apply 2 suggestions)
[INFO] [stderr] warning: `fast_stream` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_stream-f4a5b7f2b43dd480)
[INFO] [stderr]    Doc-tests fast_stream
[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] [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" "0fbc35aaee411d52121573f3e52db4c3caab264559180c92d8b9f9796ec64691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbc35aaee411d52121573f3e52db4c3caab264559180c92d8b9f9796ec64691", kill_on_drop: false }`
[INFO] [stdout] 0fbc35aaee411d52121573f3e52db4c3caab264559180c92d8b9f9796ec64691