[INFO] cloning repository https://github.com/khetzl/kswim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khetzl/kswim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhetzl%2Fkswim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhetzl%2Fkswim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8168ec724c9fd88c5dd651bb9608cd30c5b415c1 [INFO] testing khetzl/kswim against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhetzl%2Fkswim" "/workspace/builds/worker-101/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/khetzl/kswim on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/khetzl/kswim [INFO] finished tweaking git repo https://github.com/khetzl/kswim [INFO] tweaked toml for git repo https://github.com/khetzl/kswim written to /workspace/builds/worker-101/source/Cargo.toml [INFO] crate git repo https://github.com/khetzl/kswim already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f41bb9e54d19fed381cd459e0dc9d159775e5b27a79be8d7d1a0adde3fc3cbac [INFO] running `Command { std: "docker" "start" "-a" "f41bb9e54d19fed381cd459e0dc9d159775e5b27a79be8d7d1a0adde3fc3cbac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f41bb9e54d19fed381cd459e0dc9d159775e5b27a79be8d7d1a0adde3fc3cbac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f41bb9e54d19fed381cd459e0dc9d159775e5b27a79be8d7d1a0adde3fc3cbac", kill_on_drop: false }` [INFO] [stdout] f41bb9e54d19fed381cd459e0dc9d159775e5b27a79be8d7d1a0adde3fc3cbac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 201ffefb47b772d5f06626729d03865dd310d29133cc2972a4563ba0d66eba1c [INFO] running `Command { std: "docker" "start" "-a" "201ffefb47b772d5f06626729d03865dd310d29133cc2972a4563ba0d66eba1c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling kswim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dissemination_tcp.rs:37:28 [INFO] [stdout] | [INFO] [stdout] 37 | let (send_channel, mut rx) = mpsc::channel(32); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dissemination_tcp.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | async fn handle_socket(mut stream: TcpStream) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 07s [INFO] running `Command { std: "docker" "inspect" "201ffefb47b772d5f06626729d03865dd310d29133cc2972a4563ba0d66eba1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "201ffefb47b772d5f06626729d03865dd310d29133cc2972a4563ba0d66eba1c", kill_on_drop: false }` [INFO] [stdout] 201ffefb47b772d5f06626729d03865dd310d29133cc2972a4563ba0d66eba1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89aa81f5d9311fa82e0b210437e2afd3e26f994fb64228df53b1878c6d8d2134 [INFO] running `Command { std: "docker" "start" "-a" "89aa81f5d9311fa82e0b210437e2afd3e26f994fb64228df53b1878c6d8d2134", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dissemination_tcp.rs:37:28 [INFO] [stdout] | [INFO] [stdout] 37 | let (send_channel, mut rx) = mpsc::channel(32); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling kswim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dissemination_tcp.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | async fn handle_socket(mut stream: TcpStream) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dissemination_tcp.rs:37:28 [INFO] [stdout] | [INFO] [stdout] 37 | let (send_channel, mut rx) = mpsc::channel(32); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dissemination_tcp.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | async fn handle_socket(mut stream: TcpStream) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> tests/simple_group.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "89aa81f5d9311fa82e0b210437e2afd3e26f994fb64228df53b1878c6d8d2134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89aa81f5d9311fa82e0b210437e2afd3e26f994fb64228df53b1878c6d8d2134", kill_on_drop: false }` [INFO] [stdout] 89aa81f5d9311fa82e0b210437e2afd3e26f994fb64228df53b1878c6d8d2134 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 172851dbb2cf9538a5df1c65dfe05eed749bf75a86af24db283a7ae44686c2fa [INFO] running `Command { std: "docker" "start" "-a" "172851dbb2cf9538a5df1c65dfe05eed749bf75a86af24db283a7ae44686c2fa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/dissemination_tcp.rs:37:28 [INFO] [stderr] | [INFO] [stderr] 37 | let (send_channel, mut rx) = mpsc::channel(32); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/dissemination_tcp.rs:125:24 [INFO] [stderr] | [INFO] [stderr] 125 | async fn handle_socket(mut stream: TcpStream) { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `kswim` (lib) generated 2 warnings [INFO] [stderr] warning: `kswim` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> tests/simple_group.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `kswim` (test "simple_group") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.21s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/kswim-603d24dac43d1ac7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-7ebc23469bb50b53) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/simple_group.rs (/opt/rustwide/target/debug/deps/simple_group-7f42594584ba2e11) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test simple_group ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests kswim [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "172851dbb2cf9538a5df1c65dfe05eed749bf75a86af24db283a7ae44686c2fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "172851dbb2cf9538a5df1c65dfe05eed749bf75a86af24db283a7ae44686c2fa", kill_on_drop: false }` [INFO] [stdout] 172851dbb2cf9538a5df1c65dfe05eed749bf75a86af24db283a7ae44686c2fa