[INFO] fetching crate kv-rs 0.0.6...
[INFO] testing kv-rs-0.0.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate kv-rs 0.0.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate kv-rs 0.0.6
[INFO] finished tweaking crates.io crate kv-rs 0.0.6
[INFO] tweaked toml for crates.io crate kv-rs 0.0.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kv-rs 0.0.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 210 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding config v0.14.1 (available: v0.15.19)
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[INFO] [stderr]       Adding fs4 v0.7.0 (available: v0.13.1)
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[INFO] [stderr]       Adding gnuplot v0.0.42 (available: v0.0.46)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding serial_test v2.0.0 (available: v3.2.0)
[INFO] [stderr]       Adding tempfile v3.9.0 (available: v3.23.0)
[INFO] [stderr]       Adding tokio v1.35.1 (available: v1.48.0)
[INFO] [stderr]       Adding tokio-macros v2.2.0 (available: v2.6.0)
[INFO] [stderr]       Adding tokio-serde v0.8.0 (available: v0.9.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cdb431781bf5bd3d51ee7c2774d0ccf969da7a447eff17c3909981e428b3549f
[INFO] running `Command { std: "docker" "start" "-a" "cdb431781bf5bd3d51ee7c2774d0ccf969da7a447eff17c3909981e428b3549f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdb431781bf5bd3d51ee7c2774d0ccf969da7a447eff17c3909981e428b3549f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb431781bf5bd3d51ee7c2774d0ccf969da7a447eff17c3909981e428b3549f", kill_on_drop: false }`
[INFO] [stdout] cdb431781bf5bd3d51ee7c2774d0ccf969da7a447eff17c3909981e428b3549f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] da6cd3a4c9c8e0ca957da3a81570b4b2e71c2a712562365dc9a9a6d74ef9fb74
[INFO] running `Command { std: "docker" "start" "-a" "da6cd3a4c9c8e0ca957da3a81570b4b2e71c2a712562365dc9a9a6d74ef9fb74", kill_on_drop: false }`
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[INFO] [stderr]    Compiling kv-rs v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/codec/json_codec.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Read, Write};
[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: `Deserialize`
[INFO] [stdout]  --> src/codec/json_codec.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{de, Deserialize};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]  --> src/codec/json_codec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::codec::bytes_codec::BytesCodec`
[INFO] [stdout]  --> src/codec/bytes_codec2.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::codec::bytes_codec::BytesCodec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `is_terminal` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(is_terminal)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `cursor_remaining`
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(cursor_remaining)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `is_empty` exists for mutable reference `&mut std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/codec/bytes_codec.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         if cursor.is_empty() {
[INFO] [stdout]    |                   ^^^^^^^^ method cannot be called on `&mut std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: ExactSizeIterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: ExactSizeIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `is_empty` exists for mutable reference `&mut std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/codec/bytes_codec2.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         if cursor.is_empty() {
[INFO] [stdout]    |                   ^^^^^^^^ method cannot be called on `&mut std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: ExactSizeIterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: ExactSizeIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]  --> src/info.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let size = if status.is_ok() {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kv-rs` (lib) due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da6cd3a4c9c8e0ca957da3a81570b4b2e71c2a712562365dc9a9a6d74ef9fb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6cd3a4c9c8e0ca957da3a81570b4b2e71c2a712562365dc9a9a6d74ef9fb74", kill_on_drop: false }`
[INFO] [stdout] da6cd3a4c9c8e0ca957da3a81570b4b2e71c2a712562365dc9a9a6d74ef9fb74
