[INFO] updating cached repository https://github.com/loriopatrick/mem-help [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] c78a24327a503add587f9dd0e72ec2d6bb465cb3 [INFO] testing loriopatrick/mem-help against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floriopatrick%2Fmem-help" "/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/loriopatrick/mem-help on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/loriopatrick/mem-help [INFO] finished tweaking git repo https://github.com/loriopatrick/mem-help [INFO] tweaked toml for git repo https://github.com/loriopatrick/mem-help written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/loriopatrick/mem-help already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stdout] b2921eefdc17f8d402c3554ffefad1093e264b5a9f30a3137e4a5a4dd429d53e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "b2921eefdc17f8d402c3554ffefad1093e264b5a9f30a3137e4a5a4dd429d53e"` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling bytes v0.5.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling pin-project-lite v0.1.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.3 [INFO] [stderr] Compiling tokio v0.2.9 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling futures-util v0.3.1 [INFO] [stderr] Compiling futures-executor v0.3.1 [INFO] [stderr] Compiling futures v0.3.1 [INFO] [stderr] Compiling mem-help v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Sender` [INFO] [stderr] --> src/main.rs:5:44 [INFO] [stderr] | [INFO] [stderr] 5 | use tokio::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | for i in 0..500000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | sender.send("Hello".to_string()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | sender.send("Hello".to_string()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.59s [INFO] running `"docker" "inspect" "b2921eefdc17f8d402c3554ffefad1093e264b5a9f30a3137e4a5a4dd429d53e"` [INFO] running `"docker" "rm" "-f" "b2921eefdc17f8d402c3554ffefad1093e264b5a9f30a3137e4a5a4dd429d53e"` [INFO] [stdout] b2921eefdc17f8d402c3554ffefad1093e264b5a9f30a3137e4a5a4dd429d53e [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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] af9aa92b27a8aa0cb88c98f844db5ebb820fde2d285d60fd825f65285865204f [INFO] running `"docker" "start" "-a" "af9aa92b27a8aa0cb88c98f844db5ebb820fde2d285d60fd825f65285865204f"` [INFO] [stderr] Compiling mem-help v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Sender` [INFO] [stderr] --> src/main.rs:5:44 [INFO] [stderr] | [INFO] [stderr] 5 | use tokio::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | for i in 0..500000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | sender.send("Hello".to_string()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | sender.send("Hello".to_string()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `"docker" "inspect" "af9aa92b27a8aa0cb88c98f844db5ebb820fde2d285d60fd825f65285865204f"` [INFO] running `"docker" "rm" "-f" "af9aa92b27a8aa0cb88c98f844db5ebb820fde2d285d60fd825f65285865204f"` [INFO] [stdout] af9aa92b27a8aa0cb88c98f844db5ebb820fde2d285d60fd825f65285865204f [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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d6a42425391cfe9a6103779b53630ffc4dc402e84003fc7fcb7b03c2fc19fb73 [INFO] running `"docker" "start" "-a" "d6a42425391cfe9a6103779b53630ffc4dc402e84003fc7fcb7b03c2fc19fb73"` [INFO] [stderr] warning: unused import: `Sender` [INFO] [stderr] --> src/main.rs:5:44 [INFO] [stderr] | [INFO] [stderr] 5 | use tokio::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | for i in 0..500000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | sender.send("Hello".to_string()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | sender.send("Hello".to_string()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mem_help-dabee6335560480c [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "d6a42425391cfe9a6103779b53630ffc4dc402e84003fc7fcb7b03c2fc19fb73"` [INFO] running `"docker" "rm" "-f" "d6a42425391cfe9a6103779b53630ffc4dc402e84003fc7fcb7b03c2fc19fb73"` [INFO] [stdout] d6a42425391cfe9a6103779b53630ffc4dc402e84003fc7fcb7b03c2fc19fb73