[INFO] fetching crate clanker 0.7.0... [INFO] testing clanker-0.7.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate clanker 0.7.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate clanker 0.7.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate clanker 0.7.0 [INFO] finished tweaking crates.io crate clanker 0.7.0 [INFO] tweaked toml for crates.io crate clanker 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate clanker 0.7.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] deba891acf635d9cfefd8eeeb1cdee4e3fb5908d6b69595adc7a09cd28d3d07c [INFO] running `Command { std: "docker" "start" "-a" "deba891acf635d9cfefd8eeeb1cdee4e3fb5908d6b69595adc7a09cd28d3d07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "deba891acf635d9cfefd8eeeb1cdee4e3fb5908d6b69595adc7a09cd28d3d07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deba891acf635d9cfefd8eeeb1cdee4e3fb5908d6b69595adc7a09cd28d3d07c", kill_on_drop: false }` [INFO] [stdout] deba891acf635d9cfefd8eeeb1cdee4e3fb5908d6b69595adc7a09cd28d3d07c [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6c844d2062a3af9eb0bdae8e9ce6fc018c5c73b037cc9230074fd498afe72d7 [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" "f6c844d2062a3af9eb0bdae8e9ce6fc018c5c73b037cc9230074fd498afe72d7", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.16 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libgit2-sys v0.12.3+1.0.0 [INFO] [stderr] Compiling clanker v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.73s [INFO] running `Command { std: "docker" "inspect" "f6c844d2062a3af9eb0bdae8e9ce6fc018c5c73b037cc9230074fd498afe72d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6c844d2062a3af9eb0bdae8e9ce6fc018c5c73b037cc9230074fd498afe72d7", kill_on_drop: false }` [INFO] [stdout] f6c844d2062a3af9eb0bdae8e9ce6fc018c5c73b037cc9230074fd498afe72d7 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea9764df55acf2c4b94e0b788e25c646ce1412244765fea2848bbe95415432e3 [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" "ea9764df55acf2c4b94e0b788e25c646ce1412244765fea2848bbe95415432e3", kill_on_drop: false }` [INFO] [stderr] Compiling clanker v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/compress/gct.rs:83:60 [INFO] [stdout] | [INFO] [stdout] 83 | let trie: GraphemeClusterTrie = ["aa", "ab", "ac"].into_iter().map(|&s| s).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 83 | let trie: GraphemeClusterTrie = ["aa", "ab", "ac"].iter().map(|&s| s).collect(); [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 83 | let trie: GraphemeClusterTrie = IntoIterator::into_iter(["aa", "ab", "ac"]).map(|&s| s).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/compress/gct.rs:113:10 [INFO] [stdout] | [INFO] [stdout] 113 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 113 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 93 | let trie: GraphemeClusterTrie = IntoIterator::into_iter([ [INFO] [stdout] 94 | "a1", [INFO] [stdout] 95 | "c", [INFO] [stdout] 96 | // "c++", [INFO] [stdout] 97 | "Desktop", [INFO] [stdout] 98 | "Documents", [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "ea9764df55acf2c4b94e0b788e25c646ce1412244765fea2848bbe95415432e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea9764df55acf2c4b94e0b788e25c646ce1412244765fea2848bbe95415432e3", kill_on_drop: false }` [INFO] [stdout] ea9764df55acf2c4b94e0b788e25c646ce1412244765fea2848bbe95415432e3 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c5b0a15dbc7cff94f1fdf6a318d8246c18be75a766423cc75e75c331ea5453a8 [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" "c5b0a15dbc7cff94f1fdf6a318d8246c18be75a766423cc75e75c331ea5453a8", kill_on_drop: false }` [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stderr] --> src/compress/gct.rs:83:60 [INFO] [stderr] | [INFO] [stderr] 83 | let trie: GraphemeClusterTrie = ["aa", "ab", "ac"].into_iter().map(|&s| s).collect(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 83 | let trie: GraphemeClusterTrie = ["aa", "ab", "ac"].iter().map(|&s| s).collect(); [INFO] [stderr] | ^^^^ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 83 | let trie: GraphemeClusterTrie = IntoIterator::into_iter(["aa", "ab", "ac"]).map(|&s| s).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stderr] --> src/compress/gct.rs:113:10 [INFO] [stderr] | [INFO] [stderr] 113 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 113 | .iter() [INFO] [stderr] | ^^^^ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 93 | let trie: GraphemeClusterTrie = IntoIterator::into_iter([ [INFO] [stderr] 94 | "a1", [INFO] [stderr] 95 | "c", [INFO] [stderr] 96 | // "c++", [INFO] [stderr] 97 | "Desktop", [INFO] [stderr] 98 | "Documents", [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: `clanker` (bin "clanker" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/clanker-0be2b72e7d0634a7) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test compress::gct::tests::basic ... ok [INFO] [stdout] test compress::gct::tests::realworld ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c5b0a15dbc7cff94f1fdf6a318d8246c18be75a766423cc75e75c331ea5453a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5b0a15dbc7cff94f1fdf6a318d8246c18be75a766423cc75e75c331ea5453a8", kill_on_drop: false }` [INFO] [stdout] c5b0a15dbc7cff94f1fdf6a318d8246c18be75a766423cc75e75c331ea5453a8