[INFO] fetching crate ppcp 0.1.0...
[INFO] checking ppcp-0.1.0 against beta for pr-78714
[INFO] extracting crate ppcp 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ppcp 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ppcp 0.1.0
[INFO] finished tweaking crates.io crate ppcp 0.1.0
[INFO] tweaked toml for crates.io crate ppcp 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ppcp 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75bd81307e4364aa5cfcded8c1da0d914a8b3308f71bda161e25ed3b340c4440
[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" "75bd81307e4364aa5cfcded8c1da0d914a8b3308f71bda161e25ed3b340c4440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bd81307e4364aa5cfcded8c1da0d914a8b3308f71bda161e25ed3b340c4440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bd81307e4364aa5cfcded8c1da0d914a8b3308f71bda161e25ed3b340c4440", kill_on_drop: false }`
[INFO] [stdout] 75bd81307e4364aa5cfcded8c1da0d914a8b3308f71bda161e25ed3b340c4440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b6d9976b2f84e7157656549748af23a7ba9ae2e4d853a374fa4317e55a70c0
[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" "10b6d9976b2f84e7157656549748af23a7ba9ae2e4d853a374fa4317e55a70c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]     Checking ppcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path_abs::PathAbs`
[INFO] [stdout]  --> src/app.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use path_abs::PathAbs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path_abs::PathAbs`
[INFO] [stdout]  --> src/app.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use path_abs::PathAbs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/copy.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) {
[INFO] [stdout]     |            ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/copy.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) {
[INFO] [stdout]     |            ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MockCopyWorker`
[INFO] [stdout]    --> src/copy.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | struct MockCopyWorker {}
[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: `run`
[INFO] [stdout]    --> src/copy.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MockCopyWorker`
[INFO] [stdout]    --> src/copy.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | struct MockCopyWorker {}
[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: `run`
[INFO] [stdout]    --> src/copy.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.77s
[INFO] running `Command { std: "docker" "inspect" "10b6d9976b2f84e7157656549748af23a7ba9ae2e4d853a374fa4317e55a70c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b6d9976b2f84e7157656549748af23a7ba9ae2e4d853a374fa4317e55a70c0", kill_on_drop: false }`
[INFO] [stdout] 10b6d9976b2f84e7157656549748af23a7ba9ae2e4d853a374fa4317e55a70c0