[INFO] cloning repository https://github.com/scouten/tmbu-worker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scouten/tmbu-worker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscouten%2Ftmbu-worker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscouten%2Ftmbu-worker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 686174238e897e6504bcee257fddfc83eadb6bfe
[INFO] checking scouten/tmbu-worker against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscouten%2Ftmbu-worker" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scouten/tmbu-worker 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/scouten/tmbu-worker
[INFO] finished tweaking git repo https://github.com/scouten/tmbu-worker
[INFO] tweaked toml for git repo https://github.com/scouten/tmbu-worker written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scouten/tmbu-worker 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 titlecase v2.2.1
[INFO] [stderr]   Downloaded imap v2.4.1
[INFO] [stderr]   Downloaded imap-proto v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 62370d4b33e0f06d987f211414523a32a490f8a2fa291fc9e50afb07f8dd60da
[INFO] running `Command { std: "docker" "start" "-a" "62370d4b33e0f06d987f211414523a32a490f8a2fa291fc9e50afb07f8dd60da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62370d4b33e0f06d987f211414523a32a490f8a2fa291fc9e50afb07f8dd60da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62370d4b33e0f06d987f211414523a32a490f8a2fa291fc9e50afb07f8dd60da", kill_on_drop: false }`
[INFO] [stdout] 62370d4b33e0f06d987f211414523a32a490f8a2fa291fc9e50afb07f8dd60da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ad859e7500b747f5be4cd36fe5a970a4e666dc2d142b4e7014a0e2bf05abc4c6
[INFO] running `Command { std: "docker" "start" "-a" "ad859e7500b747f5be4cd36fe5a970a4e666dc2d142b4e7014a0e2bf05abc4c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking titlecase v2.2.1
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking imap v2.4.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking tw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "ad859e7500b747f5be4cd36fe5a970a4e666dc2d142b4e7014a0e2bf05abc4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad859e7500b747f5be4cd36fe5a970a4e666dc2d142b4e7014a0e2bf05abc4c6", kill_on_drop: false }`
[INFO] [stdout] ad859e7500b747f5be4cd36fe5a970a4e666dc2d142b4e7014a0e2bf05abc4c6
[INFO] checking scouten/tmbu-worker against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscouten%2Ftmbu-worker" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scouten/tmbu-worker 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/scouten/tmbu-worker
[INFO] finished tweaking git repo https://github.com/scouten/tmbu-worker
[INFO] tweaked toml for git repo https://github.com/scouten/tmbu-worker written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/scouten/tmbu-worker 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 03cd5928c74bbd4ad3474255016c23a26466ce3fed7f3aa83f4767871b259490
[INFO] running `Command { std: "docker" "start" "-a" "03cd5928c74bbd4ad3474255016c23a26466ce3fed7f3aa83f4767871b259490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03cd5928c74bbd4ad3474255016c23a26466ce3fed7f3aa83f4767871b259490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cd5928c74bbd4ad3474255016c23a26466ce3fed7f3aa83f4767871b259490", kill_on_drop: false }`
[INFO] [stdout] 03cd5928c74bbd4ad3474255016c23a26466ce3fed7f3aa83f4767871b259490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e98abdbba1ff43748895d0f56451ce37556557d1adb46df15b87e88dc44c3ab4
[INFO] running `Command { std: "docker" "start" "-a" "e98abdbba1ff43748895d0f56451ce37556557d1adb46df15b87e88dc44c3ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]     Checking titlecase v2.2.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking imap v2.4.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking tw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "e98abdbba1ff43748895d0f56451ce37556557d1adb46df15b87e88dc44c3ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98abdbba1ff43748895d0f56451ce37556557d1adb46df15b87e88dc44c3ab4", kill_on_drop: false }`
[INFO] [stdout] e98abdbba1ff43748895d0f56451ce37556557d1adb46df15b87e88dc44c3ab4