[INFO] cloning repository https://github.com/janm-dev/simple-protocols
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janm-dev/simple-protocols" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanm-dev%2Fsimple-protocols", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanm-dev%2Fsimple-protocols'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0db6e554708731a4a3fe47bb1b345bacf3f5d0e
[INFO] checking janm-dev/simple-protocols against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanm-dev%2Fsimple-protocols" "/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/janm-dev/simple-protocols 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/janm-dev/simple-protocols
[INFO] finished tweaking git repo https://github.com/janm-dev/simple-protocols
[INFO] tweaked toml for git repo https://github.com/janm-dev/simple-protocols written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/janm-dev/simple-protocols 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 decancer v3.1.2
[INFO] [stderr]   Downloaded const-str v0.5.7
[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] 401c4852a6a00673515cdde01cb47e5cba0b854bb924e11665c25ce311afe9e7
[INFO] running `Command { std: "docker" "start" "-a" "401c4852a6a00673515cdde01cb47e5cba0b854bb924e11665c25ce311afe9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "401c4852a6a00673515cdde01cb47e5cba0b854bb924e11665c25ce311afe9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401c4852a6a00673515cdde01cb47e5cba0b854bb924e11665c25ce311afe9e7", kill_on_drop: false }`
[INFO] [stdout] 401c4852a6a00673515cdde01cb47e5cba0b854bb924e11665c25ce311afe9e7
[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] d76cd571859e41d784a9b1131d74b398f52f8e0ef49660571fa81fa77b4cfdb1
[INFO] running `Command { std: "docker" "start" "-a" "d76cd571859e41d784a9b1131d74b398f52f8e0ef49660571fa81fa77b4cfdb1", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking fastrand v2.0.1
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[INFO] [stderr]    Compiling slab v0.4.9
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[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling serde v1.0.197
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[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling decancer v3.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling bstr v1.9.1
[INFO] [stderr]     Checking event-listener v4.0.3
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[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking event-listener-strategy v0.5.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling async-io v1.13.0
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[INFO] [stderr]     Checking linux-raw-sys v0.3.8
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[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking anstyle-query v1.0.2
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[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.81
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[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking deranged v0.3.11
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[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking const-str v0.5.7
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking time v0.3.34
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[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling globset v0.4.14
[INFO] [stderr]    Compiling ignore v0.4.22
[INFO] [stderr]     Checking polling v3.5.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling simple-protocols v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.55s
[INFO] running `Command { std: "docker" "inspect" "d76cd571859e41d784a9b1131d74b398f52f8e0ef49660571fa81fa77b4cfdb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76cd571859e41d784a9b1131d74b398f52f8e0ef49660571fa81fa77b4cfdb1", kill_on_drop: false }`
[INFO] [stdout] d76cd571859e41d784a9b1131d74b398f52f8e0ef49660571fa81fa77b4cfdb1
[INFO] checking janm-dev/simple-protocols against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanm-dev%2Fsimple-protocols" "/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/janm-dev/simple-protocols 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/janm-dev/simple-protocols
[INFO] finished tweaking git repo https://github.com/janm-dev/simple-protocols
[INFO] tweaked toml for git repo https://github.com/janm-dev/simple-protocols written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/janm-dev/simple-protocols 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 522bcb5c5da99689ed5f722a23e731361496c28dc8cf9f674a7b7404bbabce6c
[INFO] running `Command { std: "docker" "start" "-a" "522bcb5c5da99689ed5f722a23e731361496c28dc8cf9f674a7b7404bbabce6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "522bcb5c5da99689ed5f722a23e731361496c28dc8cf9f674a7b7404bbabce6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522bcb5c5da99689ed5f722a23e731361496c28dc8cf9f674a7b7404bbabce6c", kill_on_drop: false }`
[INFO] [stdout] 522bcb5c5da99689ed5f722a23e731361496c28dc8cf9f674a7b7404bbabce6c
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49ddefd42ad957915b6bb2dc87955abc46c7e040dd20049156f7f4992917797a
[INFO] running `Command { std: "docker" "start" "-a" "49ddefd42ad957915b6bb2dc87955abc46c7e040dd20049156f7f4992917797a", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-core v0.3.30
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[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
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[INFO] [stderr]     Checking value-bag v1.8.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking tracing-core v0.1.32
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[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling simple-protocols v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.36s
[INFO] running `Command { std: "docker" "inspect" "49ddefd42ad957915b6bb2dc87955abc46c7e040dd20049156f7f4992917797a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ddefd42ad957915b6bb2dc87955abc46c7e040dd20049156f7f4992917797a", kill_on_drop: false }`
[INFO] [stdout] 49ddefd42ad957915b6bb2dc87955abc46c7e040dd20049156f7f4992917797a