[INFO] cloning repository https://github.com/ignatov/walk-ws [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ignatov/walk-ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignatov%2Fwalk-ws", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignatov%2Fwalk-ws'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 999b4e2a8f6eb6d19b67c031fb62361016971a03 [INFO] checking ignatov/walk-ws against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignatov%2Fwalk-ws" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ignatov/walk-ws on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ignatov/walk-ws [INFO] finished tweaking git repo https://github.com/ignatov/walk-ws [INFO] tweaked toml for git repo https://github.com/ignatov/walk-ws written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ignatov/walk-ws already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-channel-preview v0.2.2 [INFO] [stderr] Downloaded futures-core-preview v0.2.3 [INFO] [stderr] Downloaded jwalk v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e230260287faf4f2324a18b7fcbe402c76d77938bf316c513ca354adfe77c64 [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" "0e230260287faf4f2324a18b7fcbe402c76d77938bf316c513ca354adfe77c64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e230260287faf4f2324a18b7fcbe402c76d77938bf316c513ca354adfe77c64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e230260287faf4f2324a18b7fcbe402c76d77938bf316c513ca354adfe77c64", kill_on_drop: false }` [INFO] [stdout] 0e230260287faf4f2324a18b7fcbe402c76d77938bf316c513ca354adfe77c64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3db65969b96b617cc780126b2ccae8b4971a4d440661fd3a844cf6363a2bb511 [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" "3db65969b96b617cc780126b2ccae8b4971a4d440661fd3a844cf6363a2bb511", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-core-preview v0.2.3 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking futures-channel-preview v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking sha-1 v0.9.1 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking jwalk v0.5.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tokio-tungstenite v0.11.0 [INFO] [stderr] Checking walk_ws v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `http` [INFO] [stdout] --> src/main.rs:8:38 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio_tungstenite::tungstenite::{http, Message}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 73 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `http` [INFO] [stdout] --> src/main.rs:8:38 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio_tungstenite::tungstenite::{http, Message}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 73 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read` [INFO] [stdout] --> src/main.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | let (mut write, read) = ws_stream.split(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | Err(e) => "".to_string(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read` [INFO] [stdout] --> src/main.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | let (mut write, read) = ws_stream.split(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | Err(e) => "".to_string(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | write.send(Message::text(content)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | write.send(Message::text(entry.path().to_string_lossy().to_string())).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | write.send(Message::Close(None)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | write.send(Message::text(content)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | write.send(Message::text(entry.path().to_string_lossy().to_string())).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | write.send(Message::Close(None)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 10s [INFO] running `Command { std: "docker" "inspect" "3db65969b96b617cc780126b2ccae8b4971a4d440661fd3a844cf6363a2bb511", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3db65969b96b617cc780126b2ccae8b4971a4d440661fd3a844cf6363a2bb511", kill_on_drop: false }` [INFO] [stdout] 3db65969b96b617cc780126b2ccae8b4971a4d440661fd3a844cf6363a2bb511