[INFO] cloning repository https://github.com/karl-run/rust_now_serverless
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karl-run/rust_now_serverless" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarl-run%2Frust_now_serverless", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarl-run%2Frust_now_serverless'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e60cfa6e1ec4413d0c053c44f93c2ffc354fa653
[INFO] checking karl-run/rust_now_serverless against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarl-run%2Frust_now_serverless" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karl-run/rust_now_serverless 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/karl-run/rust_now_serverless
[INFO] finished tweaking git repo https://github.com/karl-run/rust_now_serverless
[INFO] tweaked toml for git repo https://github.com/karl-run/rust_now_serverless written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/karl-run/rust_now_serverless 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 mime_guess v1.8.6
[INFO] [stderr]   Downloaded multipart v0.13.6
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded phf_shared v0.7.23
[INFO] [stderr]   Downloaded phf v0.7.23
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded walkdir v2.2.6
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded tokio-io v0.1.10
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] [stderr]   Downloaded notify v4.0.6
[INFO] [stderr]   Downloaded filetime v0.2.2
[INFO] [stderr]   Downloaded rouille v2.2.0
[INFO] [stderr]   Downloaded syn v0.15.18
[INFO] [stderr]   Downloaded buf_redux v0.6.3
[INFO] [stderr]   Downloaded tokio-executor v0.1.5
[INFO] [stderr]   Downloaded phf_generator v0.7.23
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded tiny_http v0.6.0
[INFO] [stderr]   Downloaded phf_codegen v0.7.23
[INFO] [stderr]   Downloaded cargo-watch v7.0.7
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded gzip-header v0.2.0
[INFO] [stderr]   Downloaded watchexec v1.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0616413f5e0b6aa4d76ddd30fe7b2cef3a12dc5ececb49d14262cef1e7ae441c
[INFO] running `Command { std: "docker" "start" "-a" "0616413f5e0b6aa4d76ddd30fe7b2cef3a12dc5ececb49d14262cef1e7ae441c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0616413f5e0b6aa4d76ddd30fe7b2cef3a12dc5ececb49d14262cef1e7ae441c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0616413f5e0b6aa4d76ddd30fe7b2cef3a12dc5ececb49d14262cef1e7ae441c", kill_on_drop: false }`
[INFO] [stdout] 0616413f5e0b6aa4d76ddd30fe7b2cef3a12dc5ececb49d14262cef1e7ae441c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a49352d198811389608b84028573a63943c4279fb28cedc711e262afc1656a55
[INFO] running `Command { std: "docker" "start" "-a" "a49352d198811389608b84028573a63943c4279fb28cedc711e262afc1656a55", kill_on_drop: false }`
[INFO] [stderr] warning: now_rust_serverless v1.0.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking gzip-header v0.2.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking filetime v0.2.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking tiny_http v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking rouille v2.2.0
[INFO] [stderr]     Checking now_rust_serverless v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.13s
[INFO] running `Command { std: "docker" "inspect" "a49352d198811389608b84028573a63943c4279fb28cedc711e262afc1656a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49352d198811389608b84028573a63943c4279fb28cedc711e262afc1656a55", kill_on_drop: false }`
[INFO] [stdout] a49352d198811389608b84028573a63943c4279fb28cedc711e262afc1656a55
[INFO] checking karl-run/rust_now_serverless against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarl-run%2Frust_now_serverless" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karl-run/rust_now_serverless on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/karl-run/rust_now_serverless
[INFO] finished tweaking git repo https://github.com/karl-run/rust_now_serverless
[INFO] tweaked toml for git repo https://github.com/karl-run/rust_now_serverless written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/karl-run/rust_now_serverless 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1e9ba75f4f2dad60cd6c8182d8d9b1b198cc1886f4042caae708c5b8962601b
[INFO] running `Command { std: "docker" "start" "-a" "a1e9ba75f4f2dad60cd6c8182d8d9b1b198cc1886f4042caae708c5b8962601b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1e9ba75f4f2dad60cd6c8182d8d9b1b198cc1886f4042caae708c5b8962601b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e9ba75f4f2dad60cd6c8182d8d9b1b198cc1886f4042caae708c5b8962601b", kill_on_drop: false }`
[INFO] [stdout] a1e9ba75f4f2dad60cd6c8182d8d9b1b198cc1886f4042caae708c5b8962601b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe9df51849365ad8ebfa69e4f5016bde02dcadb0a654ab4a998511803353b656
[INFO] running `Command { std: "docker" "start" "-a" "fe9df51849365ad8ebfa69e4f5016bde02dcadb0a654ab4a998511803353b656", kill_on_drop: false }`
[INFO] [stderr] warning: now_rust_serverless v1.0.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking gzip-header v0.2.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking filetime v0.2.2
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking phf_shared v0.7.23
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking tiny_http v0.6.0
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking rouille v2.2.0
[INFO] [stderr]     Checking now_rust_serverless v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.61s
[INFO] running `Command { std: "docker" "inspect" "fe9df51849365ad8ebfa69e4f5016bde02dcadb0a654ab4a998511803353b656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9df51849365ad8ebfa69e4f5016bde02dcadb0a654ab4a998511803353b656", kill_on_drop: false }`
[INFO] [stdout] fe9df51849365ad8ebfa69e4f5016bde02dcadb0a654ab4a998511803353b656