[INFO] cloning repository https://github.com/helium/sx13xx-conf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helium/sx13xx-conf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelium%2Fsx13xx-conf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelium%2Fsx13xx-conf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81b365485eac0046b178316c9a727e003c74891c
[INFO] checking helium/sx13xx-conf against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelium%2Fsx13xx-conf" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/helium/sx13xx-conf on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/helium/sx13xx-conf
[INFO] finished tweaking git repo https://github.com/helium/sx13xx-conf
[INFO] tweaked toml for git repo https://github.com/helium/sx13xx-conf written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/helium/sx13xx-conf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semtech-udp v0.4.1
[INFO] [stderr]   Downloaded derivative v2.1.3
[INFO] [stderr]   Downloaded syn v1.0.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b852a48b87ffa54e18495d04d88fe2feb15950c104a53be05102ff41cec4ae46
[INFO] running `Command { std: "docker" "start" "-a" "b852a48b87ffa54e18495d04d88fe2feb15950c104a53be05102ff41cec4ae46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b852a48b87ffa54e18495d04d88fe2feb15950c104a53be05102ff41cec4ae46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b852a48b87ffa54e18495d04d88fe2feb15950c104a53be05102ff41cec4ae46", kill_on_drop: false }`
[INFO] [stdout] b852a48b87ffa54e18495d04d88fe2feb15950c104a53be05102ff41cec4ae46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae701364014e20ff2be6ec74ab98c433353e2992bf67cf9c533b351e9d245bd
[INFO] running `Command { std: "docker" "start" "-a" "3ae701364014e20ff2be6ec74ab98c433353e2992bf67cf9c533b351e9d245bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking regions v0.1.2-alpha.0 (/opt/rustwide/workdir/regions)
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking sx13xx-conf v0.1.2-alpha.0 (/opt/rustwide/workdir/sx13xx-conf)
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking semtech-udp v0.4.1
[INFO] [stderr]     Checking rf-tester v0.1.2-alpha.0 (/opt/rustwide/workdir/rf-tester)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.60s
[INFO] running `Command { std: "docker" "inspect" "3ae701364014e20ff2be6ec74ab98c433353e2992bf67cf9c533b351e9d245bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae701364014e20ff2be6ec74ab98c433353e2992bf67cf9c533b351e9d245bd", kill_on_drop: false }`
[INFO] [stdout] 3ae701364014e20ff2be6ec74ab98c433353e2992bf67cf9c533b351e9d245bd