[INFO] crate tokio-serde-bincode 0.2.1 is already in cache
[INFO] checking tokio-serde-bincode-0.2.1 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate tokio-serde-bincode 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tokio-serde-bincode 0.2.1 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-serde-bincode 0.2.1
[INFO] finished tweaking crates.io crate tokio-serde-bincode 0.2.1
[INFO] tweaked toml for crates.io crate tokio-serde-bincode 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6ebde29b1fe80ba58a7981343ed3ff0d21dc014ac7198a2ecf8885c702d635
[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" "ac6ebde29b1fe80ba58a7981343ed3ff0d21dc014ac7198a2ecf8885c702d635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6ebde29b1fe80ba58a7981343ed3ff0d21dc014ac7198a2ecf8885c702d635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6ebde29b1fe80ba58a7981343ed3ff0d21dc014ac7198a2ecf8885c702d635", kill_on_drop: false }`
[INFO] [stdout] ac6ebde29b1fe80ba58a7981343ed3ff0d21dc014ac7198a2ecf8885c702d635
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f2278c878f9cf297afff0411406976c1f8e05039c240f236282554df7e2d19
[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" "d7f2278c878f9cf297afff0411406976c1f8e05039c240f236282554df7e2d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking tokio-serde v0.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking tokio-serde-bincode v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/client.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/server.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> examples/server.rs:34:47
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 .from_err::<bincode::Error>();;
[INFO] [stdout]    |                                               ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.66s
[INFO] running `Command { std: "docker" "inspect" "d7f2278c878f9cf297afff0411406976c1f8e05039c240f236282554df7e2d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f2278c878f9cf297afff0411406976c1f8e05039c240f236282554df7e2d19", kill_on_drop: false }`
[INFO] [stdout] d7f2278c878f9cf297afff0411406976c1f8e05039c240f236282554df7e2d19