[INFO] updating cached repository https://github.com/yyklll/skeleton [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 24eb82d118ce76281e35ed6f7deb89f355e4d8b3 [INFO] checking yyklll/skeleton against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yyklll/skeleton on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/yyklll/skeleton [INFO] finished tweaking git repo https://github.com/yyklll/skeleton [INFO] tweaked toml for git repo https://github.com/yyklll/skeleton written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/yyklll/skeleton already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 52586ff3bcc3a51b81ef7f3bf0f14a03943914dbe7804b055eb963317e19a359 [INFO] running `"docker" "start" "-a" "52586ff3bcc3a51b81ef7f3bf0f14a03943914dbe7804b055eb963317e19a359"` [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking arrayvec v0.4.11 [INFO] [stderr] Checking iovec v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking backtrace-sys v0.1.31 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking backtrace v0.3.38 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-serde v0.3.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking tokio-serde-json v0.2.0 [INFO] [stderr] Checking skeleton v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:11:40 [INFO] [stderr] | [INFO] [stderr] 11 | fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:14:51 [INFO] [stderr] | [INFO] [stderr] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:31:40 [INFO] [stderr] | [INFO] [stderr] 31 | fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:45:51 [INFO] [stderr] | [INFO] [stderr] 45 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:11:40 [INFO] [stderr] | [INFO] [stderr] 11 | fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:14:51 [INFO] [stderr] | [INFO] [stderr] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:31:40 [INFO] [stderr] | [INFO] [stderr] 31 | fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:45:51 [INFO] [stderr] | [INFO] [stderr] 45 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] [INFO] [stderr] warning: irrefutable if-let pattern [INFO] [stderr] --> src/bin/client.rs:70:7 [INFO] [stderr] | [INFO] [stderr] 70 | / if let (value, _) = client [INFO] [stderr] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stderr] 72 | | .wait()? [INFO] [stderr] 73 | | { [INFO] [stderr] ... | [INFO] [stderr] 76 | | error!("error"); [INFO] [stderr] 77 | | } [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable if-let pattern [INFO] [stderr] --> src/bin/client.rs:81:7 [INFO] [stderr] | [INFO] [stderr] 81 | / if let (value, _) = client [INFO] [stderr] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stderr] 83 | | .wait()? [INFO] [stderr] 84 | | { [INFO] [stderr] ... | [INFO] [stderr] 87 | | error!("error"); [INFO] [stderr] 88 | | } [INFO] [stderr] | |_______^ [INFO] [stderr] [INFO] [stderr] warning: irrefutable if-let pattern [INFO] [stderr] --> src/bin/client.rs:70:7 [INFO] [stderr] | [INFO] [stderr] 70 | / if let (value, _) = client [INFO] [stderr] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stderr] 72 | | .wait()? [INFO] [stderr] 73 | | { [INFO] [stderr] ... | [INFO] [stderr] 76 | | error!("error"); [INFO] [stderr] 77 | | } [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable if-let pattern [INFO] [stderr] --> src/bin/client.rs:81:7 [INFO] [stderr] | [INFO] [stderr] 81 | / if let (value, _) = client [INFO] [stderr] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stderr] 83 | | .wait()? [INFO] [stderr] 84 | | { [INFO] [stderr] ... | [INFO] [stderr] 87 | | error!("error"); [INFO] [stderr] 88 | | } [INFO] [stderr] | |_______^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `configs_from_file` [INFO] [stderr] --> src/bin/server.rs:40:7 [INFO] [stderr] | [INFO] [stderr] 40 | let configs_from_file = settings.try_into::>().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_configs_from_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `configs_from_file` [INFO] [stderr] --> src/bin/server.rs:40:7 [INFO] [stderr] | [INFO] [stderr] 40 | let configs_from_file = settings.try_into::>().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_configs_from_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.50s [INFO] running `"docker" "inspect" "52586ff3bcc3a51b81ef7f3bf0f14a03943914dbe7804b055eb963317e19a359"` [INFO] running `"docker" "rm" "-f" "52586ff3bcc3a51b81ef7f3bf0f14a03943914dbe7804b055eb963317e19a359"` [INFO] [stdout] 52586ff3bcc3a51b81ef7f3bf0f14a03943914dbe7804b055eb963317e19a359