[INFO] cloning repository https://github.com/Nercury/bytecache-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nercury/bytecache-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fbytecache-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fbytecache-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc3c876e25e93a9cbc50907ddbe03189d22cb637
[INFO] checking Nercury/bytecache-rs against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fbytecache-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nercury/bytecache-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nercury/bytecache-rs
[INFO] finished tweaking git repo https://github.com/Nercury/bytecache-rs
[INFO] tweaked toml for git repo https://github.com/Nercury/bytecache-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Nercury/bytecache-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00d57ab56f8f0e24467e0e580e0798239a5b12956c0a3d8447636adec95df3d0
[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" "00d57ab56f8f0e24467e0e580e0798239a5b12956c0a3d8447636adec95df3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00d57ab56f8f0e24467e0e580e0798239a5b12956c0a3d8447636adec95df3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d57ab56f8f0e24467e0e580e0798239a5b12956c0a3d8447636adec95df3d0", kill_on_drop: false }`
[INFO] [stdout] 00d57ab56f8f0e24467e0e580e0798239a5b12956c0a3d8447636adec95df3d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 982745fe561b5eac374af58dd051613bab3931ae01986da71df9d26624415b87
[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" "982745fe561b5eac374af58dd051613bab3931ae01986da71df9d26624415b87", kill_on_drop: false }`
[INFO] [stderr]     Checking bytecache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stdout]   --> src/path.rs:90:64
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let name: String = [name.as_ref(), "meta"].connect(".");
[INFO] [stdout]    |                                                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn fetch<R: Read>(&self, key: K) -> Result<R, CreateReaderError> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `required_mem`
[INFO] [stdout]    --> src/mem.rs:140:39
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stdout]   --> src/path.rs:90:64
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let name: String = [name.as_ref(), "meta"].connect(".");
[INFO] [stdout]    |                                                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn fetch<R: Read>(&self, key: K) -> Result<R, CreateReaderError> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `required_mem`
[INFO] [stdout]    --> src/mem.rs:140:39
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> examples/cacher.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let kv = (&line["set".len()..]).trim_left().splitn(2, " ").collect::<Vec<_>>();
[INFO] [stdout]    |                                                     ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> examples/cacher.rs:27:54
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     let key = (&line["get".len()..]).trim_left();
[INFO] [stdout]    |                                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "982745fe561b5eac374af58dd051613bab3931ae01986da71df9d26624415b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982745fe561b5eac374af58dd051613bab3931ae01986da71df9d26624415b87", kill_on_drop: false }`
[INFO] [stdout] 982745fe561b5eac374af58dd051613bab3931ae01986da71df9d26624415b87
