[INFO] cloning repository https://github.com/i25db/i3ws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i25db/i3ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi25db%2Fi3ws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi25db%2Fi3ws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f171b709dfd80b1f720746042e30a68d215765b4
[INFO] checking i25db/i3ws against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi25db%2Fi3ws" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i25db/i3ws 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/i25db/i3ws
[INFO] finished tweaking git repo https://github.com/i25db/i3ws
[INFO] tweaked toml for git repo https://github.com/i25db/i3ws written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/i25db/i3ws 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 jq-rs v0.4.1
[INFO] [stderr]   Downloaded clap_derive v3.0.0-rc.8
[INFO] [stderr]   Downloaded autotools v0.2.4
[INFO] [stderr]   Downloaded clap v3.0.0-rc.8
[INFO] [stderr]   Downloaded jq-sys v0.2.2
[INFO] [stderr]   Downloaded jq-src v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4f12fac3e17f6ddc380c0f31a31b8b56c9372f62d7ee6dbb4ccf1fa22ebb849b
[INFO] running `Command { std: "docker" "start" "-a" "4f12fac3e17f6ddc380c0f31a31b8b56c9372f62d7ee6dbb4ccf1fa22ebb849b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f12fac3e17f6ddc380c0f31a31b8b56c9372f62d7ee6dbb4ccf1fa22ebb849b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f12fac3e17f6ddc380c0f31a31b8b56c9372f62d7ee6dbb4ccf1fa22ebb849b", kill_on_drop: false }`
[INFO] [stdout] 4f12fac3e17f6ddc380c0f31a31b8b56c9372f62d7ee6dbb4ccf1fa22ebb849b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 49b5ec9dddc1aee1b6937e5cab484df72c423e3f504423f392397d6e1d645b70
[INFO] running `Command { std: "docker" "start" "-a" "49b5ec9dddc1aee1b6937e5cab484df72c423e3f504423f392397d6e1d645b70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling autotools v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling jq-src v0.4.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling jq-sys v0.2.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.8
[INFO] [stderr]     Checking clap v3.0.0-rc.8
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking jq-rs v0.4.1
[INFO] [stderr]     Checking i3ws v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "49b5ec9dddc1aee1b6937e5cab484df72c423e3f504423f392397d6e1d645b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b5ec9dddc1aee1b6937e5cab484df72c423e3f504423f392397d6e1d645b70", kill_on_drop: false }`
[INFO] [stdout] 49b5ec9dddc1aee1b6937e5cab484df72c423e3f504423f392397d6e1d645b70
[INFO] checking i25db/i3ws against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi25db%2Fi3ws" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i25db/i3ws 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/i25db/i3ws
[INFO] finished tweaking git repo https://github.com/i25db/i3ws
[INFO] tweaked toml for git repo https://github.com/i25db/i3ws written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/i25db/i3ws 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b610acbaae35fbb94547a428f9d7497fd69b5e613a4a5097e81a700744502ee4
[INFO] running `Command { std: "docker" "start" "-a" "b610acbaae35fbb94547a428f9d7497fd69b5e613a4a5097e81a700744502ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b610acbaae35fbb94547a428f9d7497fd69b5e613a4a5097e81a700744502ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b610acbaae35fbb94547a428f9d7497fd69b5e613a4a5097e81a700744502ee4", kill_on_drop: false }`
[INFO] [stdout] b610acbaae35fbb94547a428f9d7497fd69b5e613a4a5097e81a700744502ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0f0ceb5f649a80693fce2640f30591066fade0f1e92935565a72bce5ef99fe21
[INFO] running `Command { std: "docker" "start" "-a" "0f0ceb5f649a80693fce2640f30591066fade0f1e92935565a72bce5ef99fe21", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling autotools v0.2.4
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling jq-src v0.4.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling jq-sys v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.8
[INFO] [stderr]     Checking clap v3.0.0-rc.8
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking jq-rs v0.4.1
[INFO] [stderr]     Checking i3ws v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "0f0ceb5f649a80693fce2640f30591066fade0f1e92935565a72bce5ef99fe21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0ceb5f649a80693fce2640f30591066fade0f1e92935565a72bce5ef99fe21", kill_on_drop: false }`
[INFO] [stdout] 0f0ceb5f649a80693fce2640f30591066fade0f1e92935565a72bce5ef99fe21