[INFO] fetching crate fast_stream 0.0.1...
[INFO] testing fast_stream-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate fast_stream 0.0.1 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_stream 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d925540efb63cb3bfd3ab4b680fa9f8d32d02a5b13ac3b6bb2f27f4255445fa
[INFO] running `Command { std: "docker" "start" "-a" "6d925540efb63cb3bfd3ab4b680fa9f8d32d02a5b13ac3b6bb2f27f4255445fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d925540efb63cb3bfd3ab4b680fa9f8d32d02a5b13ac3b6bb2f27f4255445fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d925540efb63cb3bfd3ab4b680fa9f8d32d02a5b13ac3b6bb2f27f4255445fa", kill_on_drop: false }`
[INFO] [stdout] 6d925540efb63cb3bfd3ab4b680fa9f8d32d02a5b13ac3b6bb2f27f4255445fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86b56b1f3a710ef8f0bb6d0415dd30fe368788868a2b6d4c05b0066ac258a7d9
[INFO] running `Command { std: "docker" "start" "-a" "86b56b1f3a710ef8f0bb6d0415dd30fe368788868a2b6d4c05b0066ac258a7d9", 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)]` 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "86b56b1f3a710ef8f0bb6d0415dd30fe368788868a2b6d4c05b0066ac258a7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b56b1f3a710ef8f0bb6d0415dd30fe368788868a2b6d4c05b0066ac258a7d9", kill_on_drop: false }`
[INFO] [stdout] 86b56b1f3a710ef8f0bb6d0415dd30fe368788868a2b6d4c05b0066ac258a7d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939a52798ca47f6997c28893b7ae7a7542e493ff064d0b3202ef48e78e888ccb
[INFO] running `Command { std: "docker" "start" "-a" "939a52798ca47f6997c28893b7ae7a7542e493ff064d0b3202ef48e78e888ccb", 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)]` 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)]` 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "939a52798ca47f6997c28893b7ae7a7542e493ff064d0b3202ef48e78e888ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939a52798ca47f6997c28893b7ae7a7542e493ff064d0b3202ef48e78e888ccb", kill_on_drop: false }`
[INFO] [stdout] 939a52798ca47f6997c28893b7ae7a7542e493ff064d0b3202ef48e78e888ccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3525c09a960bb3570fccae85e71d2a3488d2ae7ff5bee6ad8b3e23132e0481bf
[INFO] running `Command { std: "docker" "start" "-a" "3525c09a960bb3570fccae85e71d2a3488d2ae7ff5bee6ad8b3e23132e0481bf", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cursor`
[INFO] [stdout] 
[INFO] [stderr]  --> src/stream.rs:4:15
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 4 | use std::io::{Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |               ^^^^^^
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "3525c09a960bb3570fccae85e71d2a3488d2ae7ff5bee6ad8b3e23132e0481bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3525c09a960bb3570fccae85e71d2a3488d2ae7ff5bee6ad8b3e23132e0481bf", kill_on_drop: false }`
[INFO] [stdout] 3525c09a960bb3570fccae85e71d2a3488d2ae7ff5bee6ad8b3e23132e0481bf