[INFO] cloning repository https://github.com/cablehead/xs-3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cablehead/xs-3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcablehead%2Fxs-3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcablehead%2Fxs-3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc4e4629b4c2b9f96af0cca4697df582ee47f4b6
[INFO] checking cablehead/xs-3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcablehead%2Fxs-3" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cablehead/xs-3 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/cablehead/xs-3
[INFO] finished tweaking git repo https://github.com/cablehead/xs-3
[INFO] tweaked toml for git repo https://github.com/cablehead/xs-3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cablehead/xs-3 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 ssri v9.0.0
[INFO] [stderr]   Downloaded reflink v0.1.3
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded xxhash-rust v0.8.6
[INFO] [stderr]   Downloaded lmdb-rkv v0.14.0
[INFO] [stderr]   Downloaded fstr v0.2.3
[INFO] [stderr]   Downloaded cacache v11.6.0
[INFO] [stderr]   Downloaded miette v5.9.0
[INFO] [stderr]   Downloaded scru128 v2.8.1
[INFO] [stderr]   Downloaded lmdb-rkv-sys v0.11.2
[INFO] [stderr]   Downloaded sled v0.34.7
[INFO] [stderr]   Downloaded miette-derive v5.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7d2f4224a464549f2fbc33250b54de5eb99c1bfd9c1e25b6edda983aa03952db
[INFO] running `Command { std: "docker" "start" "-a" "7d2f4224a464549f2fbc33250b54de5eb99c1bfd9c1e25b6edda983aa03952db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d2f4224a464549f2fbc33250b54de5eb99c1bfd9c1e25b6edda983aa03952db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2f4224a464549f2fbc33250b54de5eb99c1bfd9c1e25b6edda983aa03952db", kill_on_drop: false }`
[INFO] [stdout] 7d2f4224a464549f2fbc33250b54de5eb99c1bfd9c1e25b6edda983aa03952db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 00aa191c3c54196f7ff3a8760aae97036faa536ebb2cfefb43d4e2c034d45edf
[INFO] running `Command { std: "docker" "start" "-a" "00aa191c3c54196f7ff3a8760aae97036faa536ebb2cfefb43d4e2c034d45edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling rustix v0.38.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking xxhash-rust v0.8.6
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking reflink v0.1.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking fstr v0.2.3
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.2
[INFO] [stderr]     Checking lmdb-rkv v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling miette-derive v5.9.0
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking miette v5.9.0
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking ssri v9.0.0
[INFO] [stderr]     Checking scru128 v2.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking cacache v11.6.0
[INFO] [stderr]     Checking l v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.06s
[INFO] running `Command { std: "docker" "inspect" "00aa191c3c54196f7ff3a8760aae97036faa536ebb2cfefb43d4e2c034d45edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00aa191c3c54196f7ff3a8760aae97036faa536ebb2cfefb43d4e2c034d45edf", kill_on_drop: false }`
[INFO] [stdout] 00aa191c3c54196f7ff3a8760aae97036faa536ebb2cfefb43d4e2c034d45edf
[INFO] checking cablehead/xs-3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcablehead%2Fxs-3" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cablehead/xs-3 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/cablehead/xs-3
[INFO] finished tweaking git repo https://github.com/cablehead/xs-3
[INFO] tweaked toml for git repo https://github.com/cablehead/xs-3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cablehead/xs-3 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fd0cd2edf888c9c827a780e2f7913a7780dca4bf0b802b7839dde2b87f3f7f8f
[INFO] running `Command { std: "docker" "start" "-a" "fd0cd2edf888c9c827a780e2f7913a7780dca4bf0b802b7839dde2b87f3f7f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0cd2edf888c9c827a780e2f7913a7780dca4bf0b802b7839dde2b87f3f7f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0cd2edf888c9c827a780e2f7913a7780dca4bf0b802b7839dde2b87f3f7f8f", kill_on_drop: false }`
[INFO] [stdout] fd0cd2edf888c9c827a780e2f7913a7780dca4bf0b802b7839dde2b87f3f7f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 489a431c5ed18cb44b2df3784d01629a30915afce000a7340fd55e9d7b67ff50
[INFO] running `Command { std: "docker" "start" "-a" "489a431c5ed18cb44b2df3784d01629a30915afce000a7340fd55e9d7b67ff50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling rustix v0.38.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking xxhash-rust v0.8.6
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking reflink v0.1.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking fstr v0.2.3
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.2
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking lmdb-rkv v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling miette-derive v5.9.0
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking miette v5.9.0
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking ssri v9.0.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking scru128 v2.8.1
[INFO] [stderr]     Checking cacache v11.6.0
[INFO] [stderr]     Checking l v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.26s
[INFO] running `Command { std: "docker" "inspect" "489a431c5ed18cb44b2df3784d01629a30915afce000a7340fd55e9d7b67ff50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489a431c5ed18cb44b2df3784d01629a30915afce000a7340fd55e9d7b67ff50", kill_on_drop: false }`
[INFO] [stdout] 489a431c5ed18cb44b2df3784d01629a30915afce000a7340fd55e9d7b67ff50