[INFO] fetching crate wifi-qr-code 0.1.0...
[INFO] checking wifi-qr-code-0.1.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate wifi-qr-code 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wifi-qr-code 0.1.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wifi-qr-code 0.1.0
[INFO] finished tweaking crates.io crate wifi-qr-code 0.1.0
[INFO] tweaked toml for crates.io crate wifi-qr-code 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate wifi-qr-code 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.16
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded rpassword v4.0.3
[INFO] [stderr]   Downloaded bitflags v1.2.0
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded structopt v0.3.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded image v0.20.1
[INFO] [stderr]   Downloaded qrcodegen v1.4.0
[INFO] [stderr]   Downloaded rc-writer v1.1.6
[INFO] [stderr]   Downloaded qrcode-generator v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34cc2488730401ba34f45e7a5cf26ba127a1b24e279f5359ccd03479db612971
[INFO] running `Command { std: "docker" "start" "-a" "34cc2488730401ba34f45e7a5cf26ba127a1b24e279f5359ccd03479db612971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34cc2488730401ba34f45e7a5cf26ba127a1b24e279f5359ccd03479db612971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cc2488730401ba34f45e7a5cf26ba127a1b24e279f5359ccd03479db612971", kill_on_drop: false }`
[INFO] [stdout] 34cc2488730401ba34f45e7a5cf26ba127a1b24e279f5359ccd03479db612971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3b738df342b696ba1e3f9e0ef493fca3b4ca7cd755b8c5615865f2b33ccf4d3
[INFO] running `Command { std: "docker" "start" "-a" "c3b738df342b696ba1e3f9e0ef493fca3b4ca7cd755b8c5615865f2b33ccf4d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking qrcodegen v1.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rc-writer v1.1.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rpassword v4.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking qrcode-generator v1.0.5
[INFO] [stderr]     Checking wifi-qr-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.38s
[INFO] running `Command { std: "docker" "inspect" "c3b738df342b696ba1e3f9e0ef493fca3b4ca7cd755b8c5615865f2b33ccf4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b738df342b696ba1e3f9e0ef493fca3b4ca7cd755b8c5615865f2b33ccf4d3", kill_on_drop: false }`
[INFO] [stdout] c3b738df342b696ba1e3f9e0ef493fca3b4ca7cd755b8c5615865f2b33ccf4d3