[INFO] fetching crate python-objects 0.0.7... [INFO] testing python-objects-0.0.7 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate python-objects 0.0.7 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate python-objects 0.0.7 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate python-objects 0.0.7 [INFO] finished tweaking crates.io crate python-objects 0.0.7 [INFO] tweaked toml for crates.io crate python-objects 0.0.7 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate python-objects 0.0.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 87c20f564cf93eab189fb93f14fa1e8ba30f72575edf5abbabb9fb755fdf3c31 [INFO] running `Command { std: "docker" "start" "-a" "87c20f564cf93eab189fb93f14fa1e8ba30f72575edf5abbabb9fb755fdf3c31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87c20f564cf93eab189fb93f14fa1e8ba30f72575edf5abbabb9fb755fdf3c31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87c20f564cf93eab189fb93f14fa1e8ba30f72575edf5abbabb9fb755fdf3c31", kill_on_drop: false }` [INFO] [stdout] 87c20f564cf93eab189fb93f14fa1e8ba30f72575edf5abbabb9fb755fdf3c31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] b490c7404ce4662e67acbe86552d3d1d0716876f204e26231b54c3c9f643c3e4 [INFO] running `Command { std: "docker" "start" "-a" "b490c7404ce4662e67acbe86552d3d1d0716876f204e26231b54c3c9f643c3e4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling color-backtrace v0.5.1 [INFO] [stderr] Compiling python-objects v0.0.7 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.39s [INFO] running `Command { std: "docker" "inspect" "b490c7404ce4662e67acbe86552d3d1d0716876f204e26231b54c3c9f643c3e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b490c7404ce4662e67acbe86552d3d1d0716876f204e26231b54c3c9f643c3e4", kill_on_drop: false }` [INFO] [stdout] b490c7404ce4662e67acbe86552d3d1d0716876f204e26231b54c3c9f643c3e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] dd1f05fbeb73906afe0ec4a9487813bee038e9c8950e40446be9997ca0a71493 [INFO] running `Command { std: "docker" "start" "-a" "dd1f05fbeb73906afe0ec4a9487813bee038e9c8950e40446be9997ca0a71493", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling pretty_assertions v1.1.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rstest v0.12.0 [INFO] [stderr] Compiling python-objects v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `string` [INFO] [stdout] --> examples/float_example.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let string = String::from("asd"); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> examples/enum_dict.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Int` [INFO] [stdout] --> examples/enum_dict.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Int { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops` [INFO] [stdout] --> examples/unicode.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> examples/unicode.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::string` [INFO] [stdout] --> examples/unicode.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::string; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iterate_over_unicode` [INFO] [stdout] --> examples/unicode.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn iterate_over_unicode() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 20.37s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/python-1e239d8cdcab55f1) [INFO] [stderr] Executable tests/test_list.rs (/opt/rustwide/target/debug/deps/test_list-c8a0eb23227ff32f) [INFO] running `Command { std: "docker" "inspect" "dd1f05fbeb73906afe0ec4a9487813bee038e9c8950e40446be9997ca0a71493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd1f05fbeb73906afe0ec4a9487813bee038e9c8950e40446be9997ca0a71493", kill_on_drop: false }` [INFO] [stdout] dd1f05fbeb73906afe0ec4a9487813bee038e9c8950e40446be9997ca0a71493 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 511b104274269757e6efda4a629cbd847bbc21e5206dcb5d4739e6f7e5ec9e3f [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" "511b104274269757e6efda4a629cbd847bbc21e5206dcb5d4739e6f7e5ec9e3f", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `string` [INFO] [stderr] --> examples/float_example.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let string = String::from("asd"); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> examples/enum_dict.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Int` [INFO] [stderr] --> examples/enum_dict.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Int { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops` [INFO] [stderr] --> examples/unicode.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Index` [INFO] [stderr] --> examples/unicode.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::ops::Index; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::string` [INFO] [stderr] --> examples/unicode.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::string; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_over_unicode` [INFO] [stderr] --> examples/unicode.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn iterate_over_unicode() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `python-objects` (example "float_example") generated 1 warning [INFO] [stderr] warning: `python-objects` (example "enum_dict") generated 2 warnings [INFO] [stderr] warning: `python-objects` (example "unicode") generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/python-1e239d8cdcab55f1) [INFO] [stderr] Running tests/test_list.rs (/opt/rustwide/target/debug/deps/test_list-c8a0eb23227ff32f) [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] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test_append_int ... ok [INFO] [stdout] test test_append_bool ... ok [INFO] [stderr] Doc-tests python [INFO] [stdout] test test_repr ... ok [INFO] [stdout] test test_extend ... ok [INFO] [stdout] test test_initialization ... ok [INFO] [stdout] test test_str ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] test src/list/list.rs - list::list::List::from (line 341) ... ok [INFO] [stdout] test src/list/append.rs - list::append::List::append_back (line 156) ... ok [INFO] [stdout] test src/list/append_front.rs - list::append_front::List::append_front (line 85) ... ok [INFO] [stdout] test src/list/extend.rs - list::extend::Extend::extend (line 12) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.69s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "511b104274269757e6efda4a629cbd847bbc21e5206dcb5d4739e6f7e5ec9e3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "511b104274269757e6efda4a629cbd847bbc21e5206dcb5d4739e6f7e5ec9e3f", kill_on_drop: false }` [INFO] [stdout] 511b104274269757e6efda4a629cbd847bbc21e5206dcb5d4739e6f7e5ec9e3f