[INFO] crate fast-map 0.2.1 is already in cache
[INFO] checking fast-map-0.2.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate fast-map 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fast-map 0.2.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fast-map 0.2.1
[INFO] finished tweaking crates.io crate fast-map 0.2.1
[INFO] tweaked toml for crates.io crate fast-map 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87918d692fe0e323d92d89251a1971b98394ef316d672a5d07567f3bfa27d2b8
[INFO] running `"docker" "start" "-a" "87918d692fe0e323d92d89251a1971b98394ef316d672a5d07567f3bfa27d2b8"`
[INFO] [stderr]    Compiling fast-map v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling fast-map-derive v0.2.1
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]    --> src/lib.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |             A,
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]    --> src/lib.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             D,
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         foo.insert(1, "1");
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         foo.insert(2, "2");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         foo.insert(3, "3");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         foo.insert(4, "4");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `fast_map::easy`
[INFO] [stderr]   --> benches/all.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use fast_map::easy::MapLike;
[INFO] [stderr]    |                   ^^^^ could not find `easy` in `fast_map`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `fast_map::easy`
[INFO] [stderr]   --> benches/all.rs:87:19
[INFO] [stderr]    |
[INFO] [stderr] 87 |     use fast_map::easy::MapLike;
[INFO] [stderr]    |                   ^^^^ could not find `easy` in `fast_map`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cloned` found for enum `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>` in the current scope
[INFO] [stderr]    --> benches/all.rs:31:25
[INFO] [stderr]     |
[INFO] [stderr] 31  |           (foo.get(&A::A).cloned(), foo.get(&A::B).cloned(), foo.get(&A::C).cloned())
[INFO] [stderr]     |                           ^^^^^^ method not found in `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `cloned` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cloned` found for enum `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>` in the current scope
[INFO] [stderr]    --> benches/all.rs:31:50
[INFO] [stderr]     |
[INFO] [stderr] 31  |           (foo.get(&A::A).cloned(), foo.get(&A::B).cloned(), foo.get(&A::C).cloned())
[INFO] [stderr]     |                                                    ^^^^^^ method not found in `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `cloned` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cloned` found for enum `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>` in the current scope
[INFO] [stderr]    --> benches/all.rs:31:75
[INFO] [stderr]     |
[INFO] [stderr] 31  |           (foo.get(&A::A).cloned(), foo.get(&A::B).cloned(), foo.get(&A::C).cloned())
[INFO] [stderr]     |                                                                             ^^^^^^ method not found in `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `cloned` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut std::result::Result<std::option::Option<&std::string::String>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cloned` found for enum `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>` in the current scope
[INFO] [stderr]    --> benches/all.rs:112:34
[INFO] [stderr]     |
[INFO] [stderr] 112 |               keywords.get("loop").cloned(),
[INFO] [stderr]     |                                    ^^^^^^ method not found in `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `cloned` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cloned` found for enum `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>` in the current scope
[INFO] [stderr]    --> benches/all.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |               keywords.get("break").cloned(),
[INFO] [stderr]     |                                     ^^^^^^ method not found in `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `cloned` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cloned` found for enum `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>` in the current scope
[INFO] [stderr]    --> benches/all.rs:114:36
[INFO] [stderr]     |
[INFO] [stderr] 114 |               keywords.get("extern").cloned(),
[INFO] [stderr]     |                                      ^^^^^^ method not found in `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `cloned` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut std::result::Result<std::option::Option<&bench_fast_map_2::Keyword>, fast_map::Error>: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `fast-map`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "87918d692fe0e323d92d89251a1971b98394ef316d672a5d07567f3bfa27d2b8"`
[INFO] running `"docker" "rm" "-f" "87918d692fe0e323d92d89251a1971b98394ef316d672a5d07567f3bfa27d2b8"`
[INFO] [stdout] 87918d692fe0e323d92d89251a1971b98394ef316d672a5d07567f3bfa27d2b8
