[INFO] fetching crate tokio-stdin-stdout 0.1.5...
[INFO] checking tokio-stdin-stdout-0.1.5 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate tokio-stdin-stdout 0.1.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tokio-stdin-stdout 0.1.5 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-stdin-stdout 0.1.5
[INFO] finished tweaking crates.io crate tokio-stdin-stdout 0.1.5
[INFO] tweaked toml for crates.io crate tokio-stdin-stdout 0.1.5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", 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] 969e903cd7a972a0737a106ab09f1cabba6194a03d2d47c04738ccf6cc727192
[INFO] running `Command { std: "docker" "start" "-a" "969e903cd7a972a0737a106ab09f1cabba6194a03d2d47c04738ccf6cc727192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "969e903cd7a972a0737a106ab09f1cabba6194a03d2d47c04738ccf6cc727192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969e903cd7a972a0737a106ab09f1cabba6194a03d2d47c04738ccf6cc727192", kill_on_drop: false }`
[INFO] [stdout] 969e903cd7a972a0737a106ab09f1cabba6194a03d2d47c04738ccf6cc727192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e9dadec9c6e0cac32ef6225db685470a27f5fb5fe57675e663177e5ebaba71
[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" "93e9dadec9c6e0cac32ef6225db685470a27f5fb5fe57675e663177e5ebaba71", kill_on_drop: false }`
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking tokio-stdin-stdout v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/line-by-line.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn async_op(input: String) -> Box<Future<Item = String, Error = ()> + Send> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "93e9dadec9c6e0cac32ef6225db685470a27f5fb5fe57675e663177e5ebaba71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e9dadec9c6e0cac32ef6225db685470a27f5fb5fe57675e663177e5ebaba71", kill_on_drop: false }`
[INFO] [stdout] 93e9dadec9c6e0cac32ef6225db685470a27f5fb5fe57675e663177e5ebaba71