[INFO] fetching crate cpclib-z80emu 0.4.1-alpha...
[INFO] checking cpclib-z80emu-0.4.1-alpha against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate cpclib-z80emu 0.4.1-alpha into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cpclib-z80emu 0.4.1-alpha on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cpclib-z80emu 0.4.1-alpha
[INFO] finished tweaking crates.io crate cpclib-z80emu 0.4.1-alpha
[INFO] tweaked toml for crates.io crate cpclib-z80emu 0.4.1-alpha written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpclib-asm v0.4.1-alpha
[INFO] [stderr]   Downloaded cpclib-tokens v0.4.1-alpha
[INFO] [stderr]   Downloaded cpclib-sna v0.4.1-alpha
[INFO] [stderr]   Downloaded cpclib-basic v0.4.1-alpha
[INFO] [stderr]   Downloaded cpclib-disc v0.4.1-alpha
[INFO] [stderr]   Downloaded delegate v0.3.0
[INFO] [stderr]   Downloaded bitsets v0.1.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 39d4132853a67eb1ceed68bf916c24c28dcf3224ce4c01ece7161f2c177bf2d4
[INFO] running `"docker" "start" "-a" "39d4132853a67eb1ceed68bf916c24c28dcf3224ce4c01ece7161f2c177bf2d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking bitsets v0.1.1
[INFO] [stderr]     Checking custom_error v1.7.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling delegate v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling paste-impl v0.1.12
[INFO] [stderr]    Compiling remain v0.2.1
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]     Checking paste v0.1.12
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]    Compiling built v0.4.1
[INFO] [stderr]    Compiling cpclib-sna v0.4.1-alpha
[INFO] [stderr]    Compiling cpclib-tokens v0.4.1-alpha
[INFO] [stderr]    Compiling cpclib-disc v0.4.1-alpha
[INFO] [stderr]    Compiling cpclib-basic v0.4.1-alpha
[INFO] [stderr]    Compiling cpclib-asm v0.4.1-alpha
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking cpclib-z80emu v0.4.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `cpclib_asm as assembler`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cpclib_asm as assembler;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpclib_asm as assembler`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cpclib_asm as assembler;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `"docker" "inspect" "39d4132853a67eb1ceed68bf916c24c28dcf3224ce4c01ece7161f2c177bf2d4"`
[INFO] running `"docker" "rm" "-f" "39d4132853a67eb1ceed68bf916c24c28dcf3224ce4c01ece7161f2c177bf2d4"`
[INFO] [stdout] 39d4132853a67eb1ceed68bf916c24c28dcf3224ce4c01ece7161f2c177bf2d4