[INFO] cloning repository https://github.com/hjr3/building-better-interfaces [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hjr3/building-better-interfaces" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjr3%2Fbuilding-better-interfaces", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjr3%2Fbuilding-better-interfaces'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d30913d5f3230f435fed75e13571d4164d6b5d3 [INFO] testing hjr3/building-better-interfaces against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjr3%2Fbuilding-better-interfaces" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hjr3/building-better-interfaces on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hjr3/building-better-interfaces [INFO] finished tweaking git repo https://github.com/hjr3/building-better-interfaces [INFO] tweaked toml for git repo https://github.com/hjr3/building-better-interfaces written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/hjr3/building-better-interfaces already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 028f9bad462efd8bdb32455212d2723ce61564eecfc7b535a0cfe523454bd30c [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" "028f9bad462efd8bdb32455212d2723ce61564eecfc7b535a0cfe523454bd30c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "028f9bad462efd8bdb32455212d2723ce61564eecfc7b535a0cfe523454bd30c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "028f9bad462efd8bdb32455212d2723ce61564eecfc7b535a0cfe523454bd30c", kill_on_drop: false }` [INFO] [stdout] 028f9bad462efd8bdb32455212d2723ce61564eecfc7b535a0cfe523454bd30c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 313abf75a19492bcbd29d3c243e1c2711df202104964d154b2a510182d90b069 [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" "313abf75a19492bcbd29d3c243e1c2711df202104964d154b2a510182d90b069", kill_on_drop: false }` [INFO] [stderr] Compiling building-better-interfaces v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/name.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | fn try_from(T) -> Result where Self: Sized; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "313abf75a19492bcbd29d3c243e1c2711df202104964d154b2a510182d90b069", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "313abf75a19492bcbd29d3c243e1c2711df202104964d154b2a510182d90b069", kill_on_drop: false }` [INFO] [stdout] 313abf75a19492bcbd29d3c243e1c2711df202104964d154b2a510182d90b069 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 995f19f494ceddd019e54ae49379a1b0bdf98cb99c60c7c516c369bcf0d50b6e [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" "995f19f494ceddd019e54ae49379a1b0bdf98cb99c60c7c516c369bcf0d50b6e", kill_on_drop: false }` [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/name.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | fn try_from(T) -> Result where Self: Sized; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling building-better-interfaces v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/name.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | fn try_from(T) -> Result where Self: Sized; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `Command { std: "docker" "inspect" "995f19f494ceddd019e54ae49379a1b0bdf98cb99c60c7c516c369bcf0d50b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "995f19f494ceddd019e54ae49379a1b0bdf98cb99c60c7c516c369bcf0d50b6e", kill_on_drop: false }` [INFO] [stdout] 995f19f494ceddd019e54ae49379a1b0bdf98cb99c60c7c516c369bcf0d50b6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e1b0ae3321ecc2f3f9a6bbe99caf747537ec643858098988ade5f344a8efd54d [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" "e1b0ae3321ecc2f3f9a6bbe99caf747537ec643858098988ade5f344a8efd54d", kill_on_drop: false }` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/name.rs:191:17 [INFO] [stderr] | [INFO] [stderr] 191 | fn try_from(T) -> Result where Self: Sized; [INFO] [stderr] | ^ help: try naming the parameter or explicitly ignoring it: `_: T` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: `building-better-interfaces` (lib) generated 1 warning [INFO] [stderr] warning: `building-better-interfaces` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/building_better_interfaces-250cc277c24eeb64) [INFO] [stdout] running 41 tests [INFO] [stdout] test name::tests::string_into_name_string ... ok [INFO] [stdout] test name::tests::test_name_cow ... ok [INFO] [stdout] test name::tests::test_name_str_into ... ok [INFO] [stdout] test name::tests::test_name_str_into_name_string ... ok [INFO] [stdout] test name::tests::test_name_str_to_name_string ... ok [INFO] [stdout] test name::tests::test_name_str_to_owned ... ok [INFO] [stdout] test name::tests::test_name_str_to_string ... ok [INFO] [stdout] test name::tests::test_name_str_to_uppercase ... ok [INFO] [stdout] test name::tests::test_name_str_try_into_err ... ok [INFO] [stdout] test name::tests::test_name_str_try_into_ok ... ok [INFO] [stdout] test name::tests::test_name_string_as_mut ... ok [INFO] [stdout] test name::tests::test_name_string_as_mut_str ... ok [INFO] [stdout] test name::tests::test_name_string_as_name_str ... ok [INFO] [stdout] test name::tests::test_name_string_as_ref ... ok [INFO] [stdout] test name::tests::test_name_string_as_str ... ok [INFO] [stdout] test name::tests::test_name_string_borrow ... ok [INFO] [stdout] test name::tests::test_name_string_borrow_mut ... ok [INFO] [stdout] test name::tests::test_name_string_deref ... ok [INFO] [stdout] test name::tests::test_name_string_deref_mut ... ok [INFO] [stdout] test name::tests::test_name_string_from_name_str ... ok [INFO] [stdout] test name::tests::test_name_string_from_str ... ok [INFO] [stdout] test name::tests::test_name_string_from_string ... ok [INFO] [stdout] test name::tests::test_name_string_into ... ok [INFO] [stdout] test name::tests::test_name_string_into_string ... ok [INFO] [stdout] test name::tests::test_name_string_push ... ok [INFO] [stdout] test name::tests::test_name_string_uppercase ... ok [INFO] [stdout] test name::tests::test_name_try_from_err ... ok [INFO] [stdout] test name::tests::test_name_try_from_ok ... ok [INFO] [stdout] test person::tests::test_person_new ... ok [INFO] [stdout] test roster::tests::test_roster_add_name ... ok [INFO] [stdout] test student::tests::test_student_deref_name_str ... ok [INFO] [stdout] test courses::tests::test_courses_add_course ... ok [INFO] [stdout] test classroom::test::test_classroom_add_student ... ok [INFO] [stdout] test name::tests::test_name_string_as_mut_name_str ... ok [INFO] [stdout] test name::tests::test_name_str_as_mut ... ok [INFO] [stdout] test student::tests::test_in_class_deref_name_str ... ok [INFO] [stdout] test student::tests::test_student_state_changes ... ok [INFO] [stdout] test name::tests::test_name_str_given ... ok [INFO] [stdout] test classroom::test::test_classroom_add_student_fails ... ok [INFO] [stdout] test name::tests::test_name_str_as_ref ... ok [INFO] [stderr] Doc-tests building-better-interfaces [INFO] [stdout] test name::tests::test_name_str_family ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "e1b0ae3321ecc2f3f9a6bbe99caf747537ec643858098988ade5f344a8efd54d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1b0ae3321ecc2f3f9a6bbe99caf747537ec643858098988ade5f344a8efd54d", kill_on_drop: false }` [INFO] [stdout] e1b0ae3321ecc2f3f9a6bbe99caf747537ec643858098988ade5f344a8efd54d