[INFO] fetching crate lain_derive 0.4.1...
[INFO] testing lain_derive-0.4.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate lain_derive 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lain_derive 0.4.1 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 lain_derive 0.4.1
[INFO] finished tweaking crates.io crate lain_derive 0.4.1
[INFO] tweaked toml for crates.io crate lain_derive 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e46813f1e254597b52659ae3f35dbc48d78cd9a125ae69fc5e7324d18a31a36
[INFO] running `"docker" "start" "-a" "8e46813f1e254597b52659ae3f35dbc48d78cd9a125ae69fc5e7324d18a31a36"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]    Compiling mashup v0.1.9
[INFO] [stderr]    Compiling lain_derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `field_max_items`
[INFO] [stderr]    --> src/mutations.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |     let field_max_items = field.attrs.min().unwrap_or(&zero_tokens);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_max_items`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.14s
[INFO] running `"docker" "inspect" "8e46813f1e254597b52659ae3f35dbc48d78cd9a125ae69fc5e7324d18a31a36"`
[INFO] running `"docker" "rm" "-f" "8e46813f1e254597b52659ae3f35dbc48d78cd9a125ae69fc5e7324d18a31a36"`
[INFO] [stdout] 8e46813f1e254597b52659ae3f35dbc48d78cd9a125ae69fc5e7324d18a31a36
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 35ca08cd1c94d2dbb8d96115ce1ee5d4f97576a506bc5763c31777595d7658a5
[INFO] running `"docker" "start" "-a" "35ca08cd1c94d2dbb8d96115ce1ee5d4f97576a506bc5763c31777595d7658a5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lain_derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `field_max_items`
[INFO] [stderr]    --> src/mutations.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |     let field_max_items = field.attrs.min().unwrap_or(&zero_tokens);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_max_items`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field_max_items`
[INFO] [stderr]    --> src/mutations.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |     let field_max_items = field.attrs.min().unwrap_or(&zero_tokens);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_max_items`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "35ca08cd1c94d2dbb8d96115ce1ee5d4f97576a506bc5763c31777595d7658a5"`
[INFO] running `"docker" "rm" "-f" "35ca08cd1c94d2dbb8d96115ce1ee5d4f97576a506bc5763c31777595d7658a5"`
[INFO] [stdout] 35ca08cd1c94d2dbb8d96115ce1ee5d4f97576a506bc5763c31777595d7658a5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5ca26b1e940ec515dc3a35efbdc0c2115175cc4f6454bfd2d36a729249a21433
[INFO] running `"docker" "start" "-a" "5ca26b1e940ec515dc3a35efbdc0c2115175cc4f6454bfd2d36a729249a21433"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `field_max_items`
[INFO] [stderr]    --> src/mutations.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |     let field_max_items = field.attrs.min().unwrap_or(&zero_tokens);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_max_items`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field_max_items`
[INFO] [stderr]    --> src/mutations.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |     let field_max_items = field.attrs.min().unwrap_or(&zero_tokens);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_max_items`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lain_derive-d994fd0eff83624d
[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] [stderr]    Doc-tests lain_derive
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - variable_size_object (line 159) ... ok
[INFO] [stdout] test src/lib.rs - mutatable_helper (line 120) ... ok
[INFO] [stdout] test src/lib.rs - new_fuzzed (line 36) ... ok
[INFO] [stdout] test src/lib.rs - binary_serialize (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5ca26b1e940ec515dc3a35efbdc0c2115175cc4f6454bfd2d36a729249a21433"`
[INFO] running `"docker" "rm" "-f" "5ca26b1e940ec515dc3a35efbdc0c2115175cc4f6454bfd2d36a729249a21433"`
[INFO] [stdout] 5ca26b1e940ec515dc3a35efbdc0c2115175cc4f6454bfd2d36a729249a21433