[INFO] fetching crate user-error 1.2.8...
[INFO] testing user-error-1.2.8 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate user-error 1.2.8 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate user-error 1.2.8
[INFO] finished tweaking crates.io crate user-error 1.2.8
[INFO] tweaked toml for crates.io crate user-error 1.2.8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate user-error 1.2.8 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfabdc15ceebdd07f7efda78300ded2d7a1646b40807b88db12fdfc6184da2f
[INFO] running `Command { std: "docker" "start" "-a" "2bfabdc15ceebdd07f7efda78300ded2d7a1646b40807b88db12fdfc6184da2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfabdc15ceebdd07f7efda78300ded2d7a1646b40807b88db12fdfc6184da2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfabdc15ceebdd07f7efda78300ded2d7a1646b40807b88db12fdfc6184da2f", kill_on_drop: false }`
[INFO] [stdout] 2bfabdc15ceebdd07f7efda78300ded2d7a1646b40807b88db12fdfc6184da2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 637c8028d03ae43ced5077faf8669a062398e2a2a0216171a955062c261ce38b
[INFO] running `Command { std: "docker" "start" "-a" "637c8028d03ae43ced5077faf8669a062398e2a2a0216171a955062c261ce38b", kill_on_drop: false }`
[INFO] [stderr]    Compiling user-error v1.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:212:26
[INFO] [stdout]     |
[INFO] [stdout] 212 | type Source = Option<Box<(dyn Error)>>;
[INFO] [stdout]     |                          ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 212 - type Source = Option<Box<(dyn Error)>>;
[INFO] [stdout] 212 + type Source = Option<Box<dyn Error>>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:276:35
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn get_ufe_struct_members(error: &(dyn Error)) -> (Summary, Reasons) {
[INFO] [stdout]     |                                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 - fn get_ufe_struct_members(error: &(dyn Error)) -> (Summary, Reasons) {
[INFO] [stdout] 276 + fn get_ufe_struct_members(error: &dyn Error) -> (Summary, Reasons) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:305:15
[INFO] [stdout]     |
[INFO] [stdout] 305 | impl From<Box<(dyn Error)>> for UserFacingError {
[INFO] [stdout]     |               ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 305 - impl From<Box<(dyn Error)>> for UserFacingError {
[INFO] [stdout] 305 + impl From<Box<dyn Error>> for UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:306:24
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn from(error: Box<(dyn Error)>) -> UserFacingError {
[INFO] [stdout]     |                        ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -     fn from(error: Box<(dyn Error)>) -> UserFacingError {
[INFO] [stdout] 306 +     fn from(error: Box<dyn Error>) -> UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:322:12
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl From<&(dyn Error)> for UserFacingError {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 322 - impl From<&(dyn Error)> for UserFacingError {
[INFO] [stdout] 322 + impl From<&dyn Error> for UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:323:21
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn from(error: &(dyn Error)) -> UserFacingError {
[INFO] [stdout]     |                     ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 323 -     fn from(error: &(dyn Error)) -> UserFacingError {
[INFO] [stdout] 323 +     fn from(error: &dyn Error) -> UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "637c8028d03ae43ced5077faf8669a062398e2a2a0216171a955062c261ce38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637c8028d03ae43ced5077faf8669a062398e2a2a0216171a955062c261ce38b", kill_on_drop: false }`
[INFO] [stdout] 637c8028d03ae43ced5077faf8669a062398e2a2a0216171a955062c261ce38b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48beed86fcf0514d804ea7c0d47edaa29504cbb715c8023a4bad1341e836536
[INFO] running `Command { std: "docker" "start" "-a" "d48beed86fcf0514d804ea7c0d47edaa29504cbb715c8023a4bad1341e836536", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:212:26
[INFO] [stdout]     |
[INFO] [stdout] 212 | type Source = Option<Box<(dyn Error)>>;
[INFO] [stdout]     |                          ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 212 - type Source = Option<Box<(dyn Error)>>;
[INFO] [stdout] 212 + type Source = Option<Box<dyn Error>>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:276:35
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn get_ufe_struct_members(error: &(dyn Error)) -> (Summary, Reasons) {
[INFO] [stdout]     |                                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 - fn get_ufe_struct_members(error: &(dyn Error)) -> (Summary, Reasons) {
[INFO] [stdout] 276 + fn get_ufe_struct_members(error: &dyn Error) -> (Summary, Reasons) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:305:15
[INFO] [stdout]     |
[INFO] [stdout] 305 | impl From<Box<(dyn Error)>> for UserFacingError {
[INFO] [stdout]     |               ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 305 - impl From<Box<(dyn Error)>> for UserFacingError {
[INFO] [stdout] 305 + impl From<Box<dyn Error>> for UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:306:24
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn from(error: Box<(dyn Error)>) -> UserFacingError {
[INFO] [stdout]     |                        ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -     fn from(error: Box<(dyn Error)>) -> UserFacingError {
[INFO] [stdout] 306 +     fn from(error: Box<dyn Error>) -> UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:322:12
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl From<&(dyn Error)> for UserFacingError {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 322 - impl From<&(dyn Error)> for UserFacingError {
[INFO] [stdout] 322 + impl From<&dyn Error> for UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:323:21
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn from(error: &(dyn Error)) -> UserFacingError {
[INFO] [stdout]     |                     ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 323 -     fn from(error: &(dyn Error)) -> UserFacingError {
[INFO] [stdout] 323 +     fn from(error: &dyn Error) -> UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling user-error v1.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:212:26
[INFO] [stdout]     |
[INFO] [stdout] 212 | type Source = Option<Box<(dyn Error)>>;
[INFO] [stdout]     |                          ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 212 - type Source = Option<Box<(dyn Error)>>;
[INFO] [stdout] 212 + type Source = Option<Box<dyn Error>>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:276:35
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn get_ufe_struct_members(error: &(dyn Error)) -> (Summary, Reasons) {
[INFO] [stdout]     |                                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 - fn get_ufe_struct_members(error: &(dyn Error)) -> (Summary, Reasons) {
[INFO] [stdout] 276 + fn get_ufe_struct_members(error: &dyn Error) -> (Summary, Reasons) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:305:15
[INFO] [stdout]     |
[INFO] [stdout] 305 | impl From<Box<(dyn Error)>> for UserFacingError {
[INFO] [stdout]     |               ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 305 - impl From<Box<(dyn Error)>> for UserFacingError {
[INFO] [stdout] 305 + impl From<Box<dyn Error>> for UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:306:24
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn from(error: Box<(dyn Error)>) -> UserFacingError {
[INFO] [stdout]     |                        ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -     fn from(error: Box<(dyn Error)>) -> UserFacingError {
[INFO] [stdout] 306 +     fn from(error: Box<dyn Error>) -> UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:322:12
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl From<&(dyn Error)> for UserFacingError {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 322 - impl From<&(dyn Error)> for UserFacingError {
[INFO] [stdout] 322 + impl From<&dyn Error> for UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:323:21
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn from(error: &(dyn Error)) -> UserFacingError {
[INFO] [stdout]     |                     ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 323 -     fn from(error: &(dyn Error)) -> UserFacingError {
[INFO] [stdout] 323 +     fn from(error: &dyn Error) -> UserFacingError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustco64Q5d/symbols.o" "<4 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustco64Q5d/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/user_error-3ed3e79f00562546" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `user-error` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d48beed86fcf0514d804ea7c0d47edaa29504cbb715c8023a4bad1341e836536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48beed86fcf0514d804ea7c0d47edaa29504cbb715c8023a4bad1341e836536", kill_on_drop: false }`
[INFO] [stdout] d48beed86fcf0514d804ea7c0d47edaa29504cbb715c8023a4bad1341e836536