[INFO] fetching crate codecs 0.0.1...
[INFO] testing codecs-0.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate codecs 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate codecs 0.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate codecs 0.0.1
[INFO] finished tweaking crates.io crate codecs 0.0.1
[INFO] tweaked toml for crates.io crate codecs 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core2 v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 247d5c49e4b6c512af84db28f0c6d0030e8fdde9d659f5d383f23ed667db8fb7
[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" "247d5c49e4b6c512af84db28f0c6d0030e8fdde9d659f5d383f23ed667db8fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247d5c49e4b6c512af84db28f0c6d0030e8fdde9d659f5d383f23ed667db8fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247d5c49e4b6c512af84db28f0c6d0030e8fdde9d659f5d383f23ed667db8fb7", kill_on_drop: false }`
[INFO] [stdout] 247d5c49e4b6c512af84db28f0c6d0030e8fdde9d659f5d383f23ed667db8fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ae5f67c60a9a53d20d53cc12d1466c2b52394cb05aaf2413bec86582e1d35b
[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" "71ae5f67c60a9a53d20d53cc12d1466c2b52394cb05aaf2413bec86582e1d35b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling core2 v0.3.3
[INFO] [stderr]    Compiling codecs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/utf16.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/utf16.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/utf16.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/utf16.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:129:35
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:137:35
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:165:35
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:169:31
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:173:35
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/utf16.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     reader: R,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "71ae5f67c60a9a53d20d53cc12d1466c2b52394cb05aaf2413bec86582e1d35b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ae5f67c60a9a53d20d53cc12d1466c2b52394cb05aaf2413bec86582e1d35b", kill_on_drop: false }`
[INFO] [stdout] 71ae5f67c60a9a53d20d53cc12d1466c2b52394cb05aaf2413bec86582e1d35b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74ea8f5a8fbeaa45be4bde92a18f7052e70482f74442715259e4303f5984a0c6
[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" "74ea8f5a8fbeaa45be4bde92a18f7052e70482f74442715259e4303f5984a0c6", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/utf16.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/utf16.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/utf16.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling codecs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/utf16.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:129:35
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:137:35
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:165:35
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:169:31
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:173:35
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/utf16.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     reader: R,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/utf16.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/utf16.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/utf16.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/utf16.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:129:35
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:137:35
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:165:35
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:169:31
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/utf16.rs:173:35
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/utf16.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     reader: R,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "74ea8f5a8fbeaa45be4bde92a18f7052e70482f74442715259e4303f5984a0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ea8f5a8fbeaa45be4bde92a18f7052e70482f74442715259e4303f5984a0c6", kill_on_drop: false }`
[INFO] [stdout] 74ea8f5a8fbeaa45be4bde92a18f7052e70482f74442715259e4303f5984a0c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efc5a3bb268b9100a1ce3973a6332a31e9d58519a5fe7fc5245692a5fded20db
[INFO] running `Command { std: "docker" "start" "-a" "efc5a3bb268b9100a1ce3973a6332a31e9d58519a5fe7fc5245692a5fded20db", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/utf16.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/utf16.rs:54:25
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]   --> src/utf16.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]   --> src/utf16.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/utf16.rs:129:35
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/utf16.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/utf16.rs:137:35
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/utf16.rs:165:35
[INFO] [stderr]     |
[INFO] [stderr] 165 |     fn decode_utf16_le_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/utf16.rs:169:31
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn decode_utf16_be(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/utf16.rs:173:35
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn decode_utf16_be_bom(&self, input: &[u8]) -> Result<String, Self::Error> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `reader`
[INFO] [stderr]   --> src/utf16.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     reader: R,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `codecs` (lib) generated 11 warnings
[INFO] [stderr] warning: `codecs` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/codecs-3e2ce368f3470e3e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests codecs
[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" "efc5a3bb268b9100a1ce3973a6332a31e9d58519a5fe7fc5245692a5fded20db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc5a3bb268b9100a1ce3973a6332a31e9d58519a5fe7fc5245692a5fded20db", kill_on_drop: false }`
[INFO] [stdout] efc5a3bb268b9100a1ce3973a6332a31e9d58519a5fe7fc5245692a5fded20db