[INFO] fetching crate flag_set 0.1.6...
[INFO] testing flag_set-0.1.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flag_set 0.1.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate flag_set 0.1.6
[INFO] finished tweaking crates.io crate flag_set 0.1.6
[INFO] tweaked toml for crates.io crate flag_set 0.1.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flag_set 0.1.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251c24aa6f569e847f13fa48ea80e3bbe9da805ca3f7c6db22e53373da979136
[INFO] running `Command { std: "docker" "start" "-a" "251c24aa6f569e847f13fa48ea80e3bbe9da805ca3f7c6db22e53373da979136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251c24aa6f569e847f13fa48ea80e3bbe9da805ca3f7c6db22e53373da979136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251c24aa6f569e847f13fa48ea80e3bbe9da805ca3f7c6db22e53373da979136", kill_on_drop: false }`
[INFO] [stdout] 251c24aa6f569e847f13fa48ea80e3bbe9da805ca3f7c6db22e53373da979136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e8e77f81e092840efcf1203d172fcf089acd360b2ae6ecc210c8748a8bca097
[INFO] running `Command { std: "docker" "start" "-a" "6e8e77f81e092840efcf1203d172fcf089acd360b2ae6ecc210c8748a8bca097", kill_on_drop: false }`
[INFO] [stderr]    Compiling flag_set v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "6e8e77f81e092840efcf1203d172fcf089acd360b2ae6ecc210c8748a8bca097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8e77f81e092840efcf1203d172fcf089acd360b2ae6ecc210c8748a8bca097", kill_on_drop: false }`
[INFO] [stdout] 6e8e77f81e092840efcf1203d172fcf089acd360b2ae6ecc210c8748a8bca097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11cbf63c67463587edf21dcc85501419eb0f3d85f620d2454609c6d9b446ed86
[INFO] running `Command { std: "docker" "start" "-a" "11cbf63c67463587edf21dcc85501419eb0f3d85f620d2454609c6d9b446ed86", kill_on_drop: false }`
[INFO] [stderr]    Compiling flag_set v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "11cbf63c67463587edf21dcc85501419eb0f3d85f620d2454609c6d9b446ed86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11cbf63c67463587edf21dcc85501419eb0f3d85f620d2454609c6d9b446ed86", kill_on_drop: false }`
[INFO] [stdout] 11cbf63c67463587edf21dcc85501419eb0f3d85f620d2454609c6d9b446ed86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7567705db2b9bd850444398b2f007b752ba290cb63ace8be532df8638004121
[INFO] running `Command { std: "docker" "start" "-a" "b7567705db2b9bd850444398b2f007b752ba290cb63ace8be532df8638004121", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flag_set-26144b6b8ef56947)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flag_set
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 27) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 27) stdout ----
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/lib.rs:35:15
[INFO] [stdout]     |
[INFO] [stdout]  11 | let flag_ap = FlagSet(a.clone(), true);
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct FlagSet<T: Eq + Hash>(HashSet<T>, bool);
[INFO] [stdout]     |                                  ^^^^^^^^^^  ^^^^ private field
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  private field
[INFO] [stdout] help: you might have meant to use the `new` associated function
[INFO] [stdout]     |
[INFO] [stdout]  11 | let flag_ap = FlagSet::new(a.clone(), true);
[INFO] [stdout]     |                      +++++
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]     |
[INFO] [stdout]  11 - let flag_ap = FlagSet(a.clone(), true);
[INFO] [stdout]  11 + let flag_ap = <FlagSet as std::default::Default>::default();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/lib.rs:36:15
[INFO] [stdout]     |
[INFO] [stdout]  12 | let flag_an = FlagSet(a.clone(), false);
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct FlagSet<T: Eq + Hash>(HashSet<T>, bool);
[INFO] [stdout]     |                                  ^^^^^^^^^^  ^^^^ private field
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  private field
[INFO] [stdout] help: you might have meant to use the `new` associated function
[INFO] [stdout]     |
[INFO] [stdout]  12 | let flag_an = FlagSet::new(a.clone(), false);
[INFO] [stdout]     |                      +++++
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]     |
[INFO] [stdout]  12 - let flag_an = FlagSet(a.clone(), false);
[INFO] [stdout]  12 + let flag_an = <FlagSet as std::default::Default>::default();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/lib.rs:37:15
[INFO] [stdout]     |
[INFO] [stdout]  13 | let flag_bp = FlagSet(b.clone(), true);
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct FlagSet<T: Eq + Hash>(HashSet<T>, bool);
[INFO] [stdout]     |                                  ^^^^^^^^^^  ^^^^ private field
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  private field
[INFO] [stdout] help: you might have meant to use the `new` associated function
[INFO] [stdout]     |
[INFO] [stdout]  13 | let flag_bp = FlagSet::new(b.clone(), true);
[INFO] [stdout]     |                      +++++
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]     |
[INFO] [stdout]  13 - let flag_bp = FlagSet(b.clone(), true);
[INFO] [stdout]  13 + let flag_bp = <FlagSet as std::default::Default>::default();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/lib.rs:38:15
[INFO] [stdout]     |
[INFO] [stdout]  14 | let flag_bn = FlagSet(b.clone(), false);
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct FlagSet<T: Eq + Hash>(HashSet<T>, bool);
[INFO] [stdout]     |                                  ^^^^^^^^^^  ^^^^ private field
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  private field
[INFO] [stdout] help: you might have meant to use the `new` associated function
[INFO] [stdout]     |
[INFO] [stdout]  14 | let flag_bn = FlagSet::new(b.clone(), false);
[INFO] [stdout]     |                      +++++
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]     |
[INFO] [stdout]  14 - let flag_bn = FlagSet(b.clone(), false);
[INFO] [stdout]  14 + let flag_bn = <FlagSet as std::default::Default>::default();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/lib.rs:67:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | assert_eq!(FlagSet(a.clone(), true), !flag_an.clone());
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct FlagSet<T: Eq + Hash>(HashSet<T>, bool);
[INFO] [stdout]     |                                  ^^^^^^^^^^  ^^^^ private field
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  private field
[INFO] [stdout] help: you might have meant to use the `new` associated function
[INFO] [stdout]     |
[INFO] [stdout]  43 | assert_eq!(FlagSet::new(a.clone(), true), !flag_an.clone());
[INFO] [stdout]     |                   +++++
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]     |
[INFO] [stdout]  43 - assert_eq!(FlagSet(a.clone(), true), !flag_an.clone());
[INFO] [stdout]  43 + assert_eq!(<FlagSet as std::default::Default>::default(), !flag_an.clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b7567705db2b9bd850444398b2f007b752ba290cb63ace8be532df8638004121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7567705db2b9bd850444398b2f007b752ba290cb63ace8be532df8638004121", kill_on_drop: false }`
[INFO] [stdout] b7567705db2b9bd850444398b2f007b752ba290cb63ace8be532df8638004121
