[INFO] crate intercom 0.3.0 is already in cache
[INFO] testing intercom-0.3.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate intercom 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate intercom 0.3.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate intercom 0.3.0
[INFO] finished tweaking crates.io crate intercom 0.3.0
[INFO] tweaked toml for crates.io crate intercom 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65843d9fcc431cd7b07afe2b8522b41b6251e9274551f568373451620fdba9bd
[INFO] running `"docker" "start" "-a" "65843d9fcc431cd7b07afe2b8522b41b6251e9274551f568373451620fdba9bd"`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling sha1 v0.3.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling intercom-common v0.3.0
[INFO] [stderr]    Compiling intercom-attributes v0.3.0
[INFO] [stderr]    Compiling intercom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/combox.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         ( previous_value + 1 )
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:111:34
[INFO] [stderr]     |
[INFO] [stderr] 111 |         }.with_message( io_error.description().to_owned() )
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | #![feature(specialization, non_exhaustive, integer_atomics)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "65843d9fcc431cd7b07afe2b8522b41b6251e9274551f568373451620fdba9bd"`
[INFO] running `"docker" "rm" "-f" "65843d9fcc431cd7b07afe2b8522b41b6251e9274551f568373451620fdba9bd"`
[INFO] [stdout] 65843d9fcc431cd7b07afe2b8522b41b6251e9274551f568373451620fdba9bd
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 397e42d11e430a481badfa2eee1567fe0e235a16e80f0c257238eae95feec505
[INFO] running `"docker" "start" "-a" "397e42d11e430a481badfa2eee1567fe0e235a16e80f0c257238eae95feec505"`
[INFO] [stderr]    Compiling intercom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/combox.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         ( previous_value + 1 )
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:111:34
[INFO] [stderr]     |
[INFO] [stderr] 111 |         }.with_message( io_error.description().to_owned() )
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | #![feature(specialization, non_exhaustive, integer_atomics)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/combox.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         ( previous_value + 1 )
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:111:34
[INFO] [stderr]     |
[INFO] [stderr] 111 |         }.with_message( io_error.description().to_owned() )
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | #![feature(specialization, non_exhaustive, integer_atomics)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `"docker" "inspect" "397e42d11e430a481badfa2eee1567fe0e235a16e80f0c257238eae95feec505"`
[INFO] running `"docker" "rm" "-f" "397e42d11e430a481badfa2eee1567fe0e235a16e80f0c257238eae95feec505"`
[INFO] [stdout] 397e42d11e430a481badfa2eee1567fe0e235a16e80f0c257238eae95feec505
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 54aa6fda4a5479b142e269d47c4d21cda6628683a6098abc7ed62c176398f2d7
[INFO] running `"docker" "start" "-a" "54aa6fda4a5479b142e269d47c4d21cda6628683a6098abc7ed62c176398f2d7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/combox.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         ( previous_value + 1 )
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:111:34
[INFO] [stderr]     |
[INFO] [stderr] 111 |         }.with_message( io_error.description().to_owned() )
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | #![feature(specialization, non_exhaustive, integer_atomics)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/combox.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         ( previous_value + 1 )
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:111:34
[INFO] [stderr]     |
[INFO] [stderr] 111 |         }.with_message( io_error.description().to_owned() )
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | #![feature(specialization, non_exhaustive, integer_atomics)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/intercom-8b8377d47839654e
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test guid::test::format_upperhex ... ok
[INFO] [stdout] test guid::test::format_upperhex_hyphens ... ok
[INFO] [stdout] test guid::test::format_default ... ok
[INFO] [stdout] test guid::test::format_lowerhex ... ok
[INFO] [stdout] test guid::test::parse_braces ... ok
[INFO] [stdout] test guid::test::format_lowerhex_hyphens ... ok
[INFO] [stdout] test strings::test::bstr_eq ... ok
[INFO] [stdout] test guid::test::zero_guid ... ok
[INFO] [stdout] test guid::test::parse_hyphenated ... ok
[INFO] [stdout] test guid::test::parse_raw ... ok
[INFO] [stdout] test strings::test::bstring_eq ... ok
[INFO] [stdout] test strings::test::can_construct_bstr ... ok
[INFO] [stdout] test variant::test::bstring_to_variant ... ok
[INFO] [stdout] test variant::test::i64_to_variant ... ok
[INFO] [stdout] test variant::test::bool_to_variant ... ok
[INFO] [stdout] test variant::test::i16_to_variant ... ok
[INFO] [stdout] test variant::test::cstring_to_variant ... ok
[INFO] [stdout] test variant::test::i32_to_variant ... ok
[INFO] [stdout] test variant::test::i8_to_variant ... ok
[INFO] [stdout] test strings::test::can_construct_bstring ... ok
[INFO] [stdout] test variant::test::none_to_variant ... ok
[INFO] [stdout] test variant::test::variant_to_cstring ... ok
[INFO] [stdout] test variant::test::variant_to_bstring ... ok
[INFO] [stdout] test variant::test::variant_to_f32 ... ok
[INFO] [stdout] test variant::test::u32_to_variant ... ok
[INFO] [stdout] test variant::test::variant_to_f64 ... ok
[INFO] [stdout] test variant::test::u64_to_variant ... ok
[INFO] [stdout] test variant::test::u8_to_variant ... ok
[INFO] [stdout] test variant::test::u16_to_variant ... ok
[INFO] [stdout] test variant::test::string_to_variant ... ok
[INFO] [stdout] test variant::test::variant_to_bool ... ok
[INFO] [stdout] test variant::test::variant_to_none ... ok
[INFO] [stdout] test variant::test::variant_to_string ... ok
[INFO] [stdout] test variant::test::variant_to_i32 ... ok
[INFO] [stdout] test variant::test::variant_to_i16 ... ok
[INFO] [stdout] test variant::test::variant_to_i64 ... ok
[INFO] [stdout] test variant::test::variant_to_u16 ... ok
[INFO] [stdout] test variant::test::variant_to_u64 ... ok
[INFO] [stdout] test variant::test::variant_to_u8 ... ok
[INFO] [stdout] test variant::test::variant_to_i8 ... ok
[INFO] [stdout] test variant::test::variant_to_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests intercom
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "54aa6fda4a5479b142e269d47c4d21cda6628683a6098abc7ed62c176398f2d7"`
[INFO] running `"docker" "rm" "-f" "54aa6fda4a5479b142e269d47c4d21cda6628683a6098abc7ed62c176398f2d7"`
[INFO] [stdout] 54aa6fda4a5479b142e269d47c4d21cda6628683a6098abc7ed62c176398f2d7