[INFO] cloning repository https://github.com/janus/a-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janus/a-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanus%2Fa-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanus%2Fa-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 45437ca42bd2e97147c3c2516e718e5cc8e75123 [INFO] testing janus/a-chat against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanus%2Fa-chat" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/janus/a-chat on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/janus/a-chat [INFO] finished tweaking git repo https://github.com/janus/a-chat [INFO] tweaked toml for git repo https://github.com/janus/a-chat written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/janus/a-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-timer v0.3.0 [INFO] [stderr] Downloaded async-std v0.99.3 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 518367922cb2848e63a28cfe22d7605a6979e4033bd3eb5b5a904c4617676fda [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" "518367922cb2848e63a28cfe22d7605a6979e4033bd3eb5b5a904c4617676fda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "518367922cb2848e63a28cfe22d7605a6979e4033bd3eb5b5a904c4617676fda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "518367922cb2848e63a28cfe22d7605a6979e4033bd3eb5b5a904c4617676fda", kill_on_drop: false }` [INFO] [stdout] 518367922cb2848e63a28cfe22d7605a6979e4033bd3eb5b5a904c4617676fda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea0074d0880f1556dfbcd587284435292fe4dba0641346cc86179518a38beecd [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" "ea0074d0880f1556dfbcd587284435292fe4dba0641346cc86179518a38beecd", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling async-task v1.0.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-timer v0.3.0 [INFO] [stderr] Compiling async-std v0.99.3 [INFO] [stderr] Compiling a-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `stdin` [INFO] [stdout] --> src/main.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | io::{stdin, BufReader} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let dest: Vec = dest.split(',').map(|name| name.trim().to_string()).collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let msg: String = msg.trim().to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.56s [INFO] running `Command { std: "docker" "inspect" "ea0074d0880f1556dfbcd587284435292fe4dba0641346cc86179518a38beecd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea0074d0880f1556dfbcd587284435292fe4dba0641346cc86179518a38beecd", kill_on_drop: false }` [INFO] [stdout] ea0074d0880f1556dfbcd587284435292fe4dba0641346cc86179518a38beecd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d835dfe37972593fdeb2f0bdd636f9c36605a6b391146fc6a7a9da4c979b482 [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" "4d835dfe37972593fdeb2f0bdd636f9c36605a6b391146fc6a7a9da4c979b482", kill_on_drop: false }` [INFO] [stderr] Compiling a-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `stdin` [INFO] [stdout] --> src/main.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | io::{stdin, BufReader} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let dest: Vec = dest.split(',').map(|name| name.trim().to_string()).collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let msg: String = msg.trim().to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "4d835dfe37972593fdeb2f0bdd636f9c36605a6b391146fc6a7a9da4c979b482", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d835dfe37972593fdeb2f0bdd636f9c36605a6b391146fc6a7a9da4c979b482", kill_on_drop: false }` [INFO] [stdout] 4d835dfe37972593fdeb2f0bdd636f9c36605a6b391146fc6a7a9da4c979b482 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b6f392adb6cdb95f6ffa51ad26ba54dc9c8bcc6cb29ef3a0525097fedbc9c607 [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" "b6f392adb6cdb95f6ffa51ad26ba54dc9c8bcc6cb29ef3a0525097fedbc9c607", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `stdin` [INFO] [stderr] --> src/main.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | io::{stdin, BufReader} [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dest` [INFO] [stderr] --> src/main.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | let dest: Vec = dest.split(',').map(|name| name.trim().to_string()).collect(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let msg: String = msg.trim().to_string(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/a_chat-494d30fd959546e6) [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" "b6f392adb6cdb95f6ffa51ad26ba54dc9c8bcc6cb29ef3a0525097fedbc9c607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6f392adb6cdb95f6ffa51ad26ba54dc9c8bcc6cb29ef3a0525097fedbc9c607", kill_on_drop: false }` [INFO] [stdout] b6f392adb6cdb95f6ffa51ad26ba54dc9c8bcc6cb29ef3a0525097fedbc9c607