[INFO] fetching crate signpost 0.1.0...
[INFO] testing signpost-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate signpost 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate signpost 0.1.0 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 signpost 0.1.0
[INFO] finished tweaking crates.io crate signpost 0.1.0
[INFO] tweaked toml for crates.io crate signpost 0.1.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] af79ab8f5891e1ad9bbeb1ab64bab07c6bb7bc0c99fee34bac9826d549a45146
[INFO] running `"docker" "start" "-a" "af79ab8f5891e1ad9bbeb1ab64bab07c6bb7bc0c99fee34bac9826d549a45146"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling signpost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "af79ab8f5891e1ad9bbeb1ab64bab07c6bb7bc0c99fee34bac9826d549a45146"`
[INFO] running `"docker" "rm" "-f" "af79ab8f5891e1ad9bbeb1ab64bab07c6bb7bc0c99fee34bac9826d549a45146"`
[INFO] [stdout] af79ab8f5891e1ad9bbeb1ab64bab07c6bb7bc0c99fee34bac9826d549a45146
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ac6189f2b29a41da8726c1105dfa1ae64dff8a3590a87239c767860ea790281e
[INFO] running `"docker" "start" "-a" "ac6189f2b29a41da8726c1105dfa1ae64dff8a3590a87239c767860ea790281e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling signpost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "ac6189f2b29a41da8726c1105dfa1ae64dff8a3590a87239c767860ea790281e"`
[INFO] running `"docker" "rm" "-f" "ac6189f2b29a41da8726c1105dfa1ae64dff8a3590a87239c767860ea790281e"`
[INFO] [stdout] ac6189f2b29a41da8726c1105dfa1ae64dff8a3590a87239c767860ea790281e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 093748639ae42edd58070476255fbb61ef06f3f7f8451c37b230eba95a650d75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "093748639ae42edd58070476255fbb61ef06f3f7f8451c37b230eba95a650d75"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/signpost-c5aaba79cc08fc17
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signpost
[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] [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] running `"docker" "inspect" "093748639ae42edd58070476255fbb61ef06f3f7f8451c37b230eba95a650d75"`
[INFO] running `"docker" "rm" "-f" "093748639ae42edd58070476255fbb61ef06f3f7f8451c37b230eba95a650d75"`
[INFO] [stdout] 093748639ae42edd58070476255fbb61ef06f3f7f8451c37b230eba95a650d75