[INFO] cloning repository https://github.com/mozamimy/lambda-slack-notifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozamimy/lambda-slack-notifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozamimy%2Flambda-slack-notifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozamimy%2Flambda-slack-notifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df880491444c4416af1a2fb979dff69a1a82533f
[INFO] checking mozamimy/lambda-slack-notifier against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozamimy%2Flambda-slack-notifier" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozamimy/lambda-slack-notifier 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/mozamimy/lambda-slack-notifier
[INFO] finished tweaking git repo https://github.com/mozamimy/lambda-slack-notifier
[INFO] tweaked toml for git repo https://github.com/mozamimy/lambda-slack-notifier written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mozamimy/lambda-slack-notifier 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]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-error v0.3.0
[INFO] [stderr]   Downloaded aws_lambda_events v0.11.1
[INFO] [stderr]   Downloaded lambda_runtime v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bb2d2a943d592eb7d5307fa4b5c84d8f0af3ac05ad9d246757d4b915249a12bc
[INFO] running `Command { std: "docker" "start" "-a" "bb2d2a943d592eb7d5307fa4b5c84d8f0af3ac05ad9d246757d4b915249a12bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb2d2a943d592eb7d5307fa4b5c84d8f0af3ac05ad9d246757d4b915249a12bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2d2a943d592eb7d5307fa4b5c84d8f0af3ac05ad9d246757d4b915249a12bc", kill_on_drop: false }`
[INFO] [stdout] bb2d2a943d592eb7d5307fa4b5c84d8f0af3ac05ad9d246757d4b915249a12bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aed7ffd5b97a6d497094cc064f0832c2997c837feb4cfcfdfc8f5161a4a91680
[INFO] running `Command { std: "docker" "start" "-a" "aed7ffd5b97a6d497094cc064f0832c2997c837feb4cfcfdfc8f5161a4a91680", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking simple-error v0.3.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.4.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking http-serde v1.1.3
[INFO] [stderr]     Checking serde_with v3.4.0
[INFO] [stderr]     Checking aws_lambda_events v0.11.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking lambda_runtime_api_client v0.8.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking lambda_runtime v0.8.2
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking lambda-slack-notifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.87s
[INFO] running `Command { std: "docker" "inspect" "aed7ffd5b97a6d497094cc064f0832c2997c837feb4cfcfdfc8f5161a4a91680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed7ffd5b97a6d497094cc064f0832c2997c837feb4cfcfdfc8f5161a4a91680", kill_on_drop: false }`
[INFO] [stdout] aed7ffd5b97a6d497094cc064f0832c2997c837feb4cfcfdfc8f5161a4a91680
[INFO] checking mozamimy/lambda-slack-notifier against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozamimy%2Flambda-slack-notifier" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozamimy/lambda-slack-notifier on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mozamimy/lambda-slack-notifier
[INFO] finished tweaking git repo https://github.com/mozamimy/lambda-slack-notifier
[INFO] tweaked toml for git repo https://github.com/mozamimy/lambda-slack-notifier written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mozamimy/lambda-slack-notifier 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d093162caaf6964db3cc9f750e9189cb6a765101725ce85a49a7252b2da088bd
[INFO] running `Command { std: "docker" "start" "-a" "d093162caaf6964db3cc9f750e9189cb6a765101725ce85a49a7252b2da088bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d093162caaf6964db3cc9f750e9189cb6a765101725ce85a49a7252b2da088bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d093162caaf6964db3cc9f750e9189cb6a765101725ce85a49a7252b2da088bd", kill_on_drop: false }`
[INFO] [stdout] d093162caaf6964db3cc9f750e9189cb6a765101725ce85a49a7252b2da088bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d6d8667e957660e056c41dbe56f66d8d9d1cf4616bef741d98db96079c8028
[INFO] running `Command { std: "docker" "start" "-a" "f0d6d8667e957660e056c41dbe56f66d8d9d1cf4616bef741d98db96079c8028", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking simple-error v0.3.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.4.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking http-serde v1.1.3
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking serde_with v3.4.0
[INFO] [stderr]     Checking aws_lambda_events v0.11.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking lambda_runtime_api_client v0.8.0
[INFO] [stderr]     Checking lambda_runtime v0.8.2
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking lambda-slack-notifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.20s
[INFO] running `Command { std: "docker" "inspect" "f0d6d8667e957660e056c41dbe56f66d8d9d1cf4616bef741d98db96079c8028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d6d8667e957660e056c41dbe56f66d8d9d1cf4616bef741d98db96079c8028", kill_on_drop: false }`
[INFO] [stdout] f0d6d8667e957660e056c41dbe56f66d8d9d1cf4616bef741d98db96079c8028