[INFO] fetching crate futures-promises 0.1.11... [INFO] testing futures-promises-0.1.11 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate futures-promises 0.1.11 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate futures-promises 0.1.11 [INFO] finished tweaking crates.io crate futures-promises 0.1.11 [INFO] tweaked toml for crates.io crate futures-promises 0.1.11 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate futures-promises 0.1.11 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 461ff626cef6d73b9db531937dca43060199451368df987800d9bf189d9ade2c [INFO] running `Command { std: "docker" "start" "-a" "461ff626cef6d73b9db531937dca43060199451368df987800d9bf189d9ade2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "461ff626cef6d73b9db531937dca43060199451368df987800d9bf189d9ade2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "461ff626cef6d73b9db531937dca43060199451368df987800d9bf189d9ade2c", kill_on_drop: false }` [INFO] [stdout] 461ff626cef6d73b9db531937dca43060199451368df987800d9bf189d9ade2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 1e3db6dd0ce6ed9096c9dcb4a63f2746a5a7bfa8086f4c92b7eb7ec973f3736c [INFO] running `Command { std: "docker" "start" "-a" "1e3db6dd0ce6ed9096c9dcb4a63f2746a5a7bfa8086f4c92b7eb7ec973f3736c", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling futures-promises v0.1.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> src/lib.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | match (&mut guard.1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 55 - match (&mut guard.1) { [INFO] [stdout] 55 + match &mut guard.1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn lock(&self) -> WatchedVariableAccessor { [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 108 | pub fn lock(&self) -> WatchedVariableAccessor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "1e3db6dd0ce6ed9096c9dcb4a63f2746a5a7bfa8086f4c92b7eb7ec973f3736c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e3db6dd0ce6ed9096c9dcb4a63f2746a5a7bfa8086f4c92b7eb7ec973f3736c", kill_on_drop: false }` [INFO] [stdout] 1e3db6dd0ce6ed9096c9dcb4a63f2746a5a7bfa8086f4c92b7eb7ec973f3736c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c91bdee41085e63bc0f1b529a7f3121c295b3d4018661896a78ecae521861db1 [INFO] running `Command { std: "docker" "start" "-a" "c91bdee41085e63bc0f1b529a7f3121c295b3d4018661896a78ecae521861db1", kill_on_drop: false }` [INFO] [stderr] Compiling futures-promises v0.1.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> src/lib.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | match (&mut guard.1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 55 - match (&mut guard.1) { [INFO] [stdout] 55 + match &mut guard.1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn lock(&self) -> WatchedVariableAccessor { [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 108 | pub fn lock(&self) -> WatchedVariableAccessor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> src/lib.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | match (&mut guard.1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 55 - match (&mut guard.1) { [INFO] [stdout] 55 + match &mut guard.1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn lock(&self) -> WatchedVariableAccessor { [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 108 | pub fn lock(&self) -> WatchedVariableAccessor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "c91bdee41085e63bc0f1b529a7f3121c295b3d4018661896a78ecae521861db1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c91bdee41085e63bc0f1b529a7f3121c295b3d4018661896a78ecae521861db1", kill_on_drop: false }` [INFO] [stdout] c91bdee41085e63bc0f1b529a7f3121c295b3d4018661896a78ecae521861db1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 466f1fffed5ce8edd8874f460ee4b05f408e22516c137c459c289a22a9d25f4e [INFO] running `Command { std: "docker" "start" "-a" "466f1fffed5ce8edd8874f460ee4b05f408e22516c137c459c289a22a9d25f4e", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:55:19 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 55 | match (&mut guard.1) { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^ ^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 55 - match (&mut guard.1) { [INFO] [stderr] 55 + match &mut guard.1 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:108:21 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn lock(&self) -> WatchedVariableAccessor { [INFO] [stderr] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 108 | pub fn lock(&self) -> WatchedVariableAccessor<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `futures-promises` (lib) generated 2 warnings (run `cargo fix --lib -p futures-promises` to apply 2 suggestions) [INFO] [stderr] warning: `futures-promises` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/futures_promises-d37e11a4671821b4) [INFO] running `Command { std: "docker" "inspect" "466f1fffed5ce8edd8874f460ee4b05f408e22516c137c459c289a22a9d25f4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "466f1fffed5ce8edd8874f460ee4b05f408e22516c137c459c289a22a9d25f4e", kill_on_drop: false }` [INFO] [stdout] 466f1fffed5ce8edd8874f460ee4b05f408e22516c137c459c289a22a9d25f4e