[INFO] fetching crate stream_buffer 0.2.0... [INFO] checking stream_buffer-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate stream_buffer 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate stream_buffer 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stream_buffer 0.2.0 [INFO] finished tweaking crates.io crate stream_buffer 0.2.0 [INFO] tweaked toml for crates.io crate stream_buffer 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate stream_buffer 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e04cda7b05f527953376c53d2a44c48e90b32418cf2b74a656dde5fab1448a2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8e04cda7b05f527953376c53d2a44c48e90b32418cf2b74a656dde5fab1448a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e04cda7b05f527953376c53d2a44c48e90b32418cf2b74a656dde5fab1448a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e04cda7b05f527953376c53d2a44c48e90b32418cf2b74a656dde5fab1448a2", kill_on_drop: false }` [INFO] [stdout] 8e04cda7b05f527953376c53d2a44c48e90b32418cf2b74a656dde5fab1448a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff647fab631c0e96e6561d73e2bbd11d48a597407bee2d7bbcae80481ad95eb2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ff647fab631c0e96e6561d73e2bbd11d48a597407bee2d7bbcae80481ad95eb2", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking stream_buffer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufWriter` [INFO] [stdout] --> src/buf.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Into`, `TryInto` [INFO] [stdout] --> src/chunk.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::{TryInto, Into}; [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IntoStream` [INFO] [stdout] --> src/chunk.rs:3:40 [INFO] [stdout] | [INFO] [stdout] 3 | use super::types::{FileLike, BufResult,IntoStream, IterStream}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/chunk.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, SeekFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/types.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | for item in items { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufWriter` [INFO] [stdout] --> src/buf.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Into`, `TryInto` [INFO] [stdout] --> src/chunk.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::{TryInto, Into}; [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `self` [INFO] [stdout] --> src/lib.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/lib.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StreamBuffer2` [INFO] [stdout] --> src/lib.rs:24:36 [INFO] [stdout] | [INFO] [stdout] 24 | use super::buf::{StreamBuffer, StreamBuffer2, ByteStreamBuf, BufferRead, BufferCreate}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `StreamBuffer3` [INFO] [stdout] --> src/buf.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct StreamBuffer3 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/buf.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn new(stream: T, size: usize) -> StreamBuffer2 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/types.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn test>(items: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IntoStream` [INFO] [stdout] --> src/chunk.rs:3:40 [INFO] [stdout] | [INFO] [stdout] 3 | use super::types::{FileLike, BufResult,IntoStream, IterStream}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/chunk.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, SeekFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/types.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | for item in items { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `StreamBuffer3` [INFO] [stdout] --> src/buf.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct StreamBuffer3 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/buf.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn new(stream: T, size: usize) -> StreamBuffer2 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/types.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn test>(items: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 5.57s [INFO] running `Command { std: "docker" "inspect" "ff647fab631c0e96e6561d73e2bbd11d48a597407bee2d7bbcae80481ad95eb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff647fab631c0e96e6561d73e2bbd11d48a597407bee2d7bbcae80481ad95eb2", kill_on_drop: false }` [INFO] [stdout] ff647fab631c0e96e6561d73e2bbd11d48a597407bee2d7bbcae80481ad95eb2