[INFO] fetching crate qrrs 0.1.7...
[INFO] checking qrrs-0.1.7 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate qrrs 0.1.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate qrrs 0.1.7 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qrrs 0.1.7
[INFO] finished tweaking crates.io crate qrrs 0.1.7
[INFO] tweaked toml for crates.io crate qrrs 0.1.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate qrrs 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394bb9343fdb32bb7151fc4e3de9f4e0bf1fe1ecd5db829c62ca220cfec5b5de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "394bb9343fdb32bb7151fc4e3de9f4e0bf1fe1ecd5db829c62ca220cfec5b5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394bb9343fdb32bb7151fc4e3de9f4e0bf1fe1ecd5db829c62ca220cfec5b5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394bb9343fdb32bb7151fc4e3de9f4e0bf1fe1ecd5db829c62ca220cfec5b5de", kill_on_drop: false }`
[INFO] [stdout] 394bb9343fdb32bb7151fc4e3de9f4e0bf1fe1ecd5db829c62ca220cfec5b5de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7e1a67eee3b284c55fd856a0f28f5ca5bafe2b30c67e63ae8eb0ed18ec709a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc7e1a67eee3b284c55fd856a0f28f5ca5bafe2b30c67e63ae8eb0ed18ec709a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling g2poly v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking assert_cmd v1.0.6
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking predicates v2.0.0
[INFO] [stderr]    Compiling g2gen v0.4.0
[INFO] [stderr]     Checking g2p v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking rqrr v0.3.2
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking qrrs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "bc7e1a67eee3b284c55fd856a0f28f5ca5bafe2b30c67e63ae8eb0ed18ec709a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7e1a67eee3b284c55fd856a0f28f5ca5bafe2b30c67e63ae8eb0ed18ec709a", kill_on_drop: false }`
[INFO] [stdout] bc7e1a67eee3b284c55fd856a0f28f5ca5bafe2b30c67e63ae8eb0ed18ec709a