[INFO] crate big_unsigned_ints 0.1.5 is already in cache [INFO] testing big_unsigned_ints-0.1.5 against 1.44.0 for beta-1.45-1 [INFO] extracting crate big_unsigned_ints 0.1.5 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate big_unsigned_ints 0.1.5 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate big_unsigned_ints 0.1.5 [INFO] finished tweaking crates.io crate big_unsigned_ints 0.1.5 [INFO] tweaked toml for crates.io crate big_unsigned_ints 0.1.5 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate big_unsigned_ints 0.1.5 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 6674f5d7cfb91909c234ce67817bc4997be3cd5bbb6a9f259b8ad96aa13f0b52 [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" "6674f5d7cfb91909c234ce67817bc4997be3cd5bbb6a9f259b8ad96aa13f0b52"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling big_unsigned_ints v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:121:13 [INFO] [stderr] | [INFO] [stderr] 121 | write!(f, "0x{:X} ", x[i]); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 174 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:227:13 [INFO] [stderr] | [INFO] [stderr] 227 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:330:13 [INFO] [stderr] | [INFO] [stderr] 330 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `"docker" "inspect" "6674f5d7cfb91909c234ce67817bc4997be3cd5bbb6a9f259b8ad96aa13f0b52"` [INFO] running `"docker" "rm" "-f" "6674f5d7cfb91909c234ce67817bc4997be3cd5bbb6a9f259b8ad96aa13f0b52"` [INFO] [stdout] 6674f5d7cfb91909c234ce67817bc4997be3cd5bbb6a9f259b8ad96aa13f0b52 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.44.0" "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] bcacd5a1fd16bcf6f2eba83c598a0780fab0dd040af5aa93dc7d2fe4983a86d8 [INFO] running `"docker" "start" "-a" "bcacd5a1fd16bcf6f2eba83c598a0780fab0dd040af5aa93dc7d2fe4983a86d8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:121:13 [INFO] [stderr] | [INFO] [stderr] 121 | write!(f, "0x{:X} ", x[i]); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 174 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:227:13 [INFO] [stderr] | [INFO] [stderr] 227 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:330:13 [INFO] [stderr] | [INFO] [stderr] 330 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling big_unsigned_ints v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:121:13 [INFO] [stderr] | [INFO] [stderr] 121 | write!(f, "0x{:X} ", x[i]); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 174 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:227:13 [INFO] [stderr] | [INFO] [stderr] 227 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:330:13 [INFO] [stderr] | [INFO] [stderr] 330 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `"docker" "inspect" "bcacd5a1fd16bcf6f2eba83c598a0780fab0dd040af5aa93dc7d2fe4983a86d8"` [INFO] running `"docker" "rm" "-f" "bcacd5a1fd16bcf6f2eba83c598a0780fab0dd040af5aa93dc7d2fe4983a86d8"` [INFO] [stdout] bcacd5a1fd16bcf6f2eba83c598a0780fab0dd040af5aa93dc7d2fe4983a86d8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.44.0" "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] 913c544144cf0282213df3adb70b3285a4e2c097ad1ae6a36624207e943c0fed [INFO] running `"docker" "start" "-a" "913c544144cf0282213df3adb70b3285a4e2c097ad1ae6a36624207e943c0fed"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:121:13 [INFO] [stderr] | [INFO] [stderr] 121 | write!(f, "0x{:X} ", x[i]); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 174 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:227:13 [INFO] [stderr] | [INFO] [stderr] 227 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:330:13 [INFO] [stderr] | [INFO] [stderr] 330 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:121:13 [INFO] [stderr] | [INFO] [stderr] 121 | write!(f, "0x{:X} ", x[i]); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 174 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:227:13 [INFO] [stderr] | [INFO] [stderr] 227 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:330:13 [INFO] [stderr] | [INFO] [stderr] 330 | write!(f, "0x{:X} ", x[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/big_unsigned_ints-dabd0823c4b091b2 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/integration_tests-78fe91a87c6755a2 [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] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test bytes_to_u256 ... ok [INFO] [stdout] test instantiate_u384 ... ok [INFO] [stdout] test instantiate_u256 ... ok [INFO] [stdout] test u256_into_bytes ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests big_unsigned_ints [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" "913c544144cf0282213df3adb70b3285a4e2c097ad1ae6a36624207e943c0fed"` [INFO] running `"docker" "rm" "-f" "913c544144cf0282213df3adb70b3285a4e2c097ad1ae6a36624207e943c0fed"` [INFO] [stdout] 913c544144cf0282213df3adb70b3285a4e2c097ad1ae6a36624207e943c0fed