[INFO] fetching crate i3ref 0.1.0...
[INFO] checking i3ref-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate i3ref 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate i3ref 0.1.0 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 crates.io crate i3ref 0.1.0
[INFO] finished tweaking crates.io crate i3ref 0.1.0
[INFO] tweaked toml for crates.io crate i3ref 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate i3ref 0.1.0 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 thiserror v1.0.41
[INFO] [stderr]   Downloaded is-terminal v0.4.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.41
[INFO] [stderr]   Downloaded webbrowser v0.8.10
[INFO] [stderr]   Downloaded clap v4.3.10
[INFO] [stderr]   Downloaded clap_builder v4.3.10
[INFO] [stderr]   Downloaded rustix v0.38.2
[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] bed3b37fba793e8c26b8a86f769d6bcc0cdc0ec429a951ca10f29ca331fb5178
[INFO] running `Command { std: "docker" "start" "-a" "bed3b37fba793e8c26b8a86f769d6bcc0cdc0ec429a951ca10f29ca331fb5178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bed3b37fba793e8c26b8a86f769d6bcc0cdc0ec429a951ca10f29ca331fb5178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed3b37fba793e8c26b8a86f769d6bcc0cdc0ec429a951ca10f29ca331fb5178", kill_on_drop: false }`
[INFO] [stdout] bed3b37fba793e8c26b8a86f769d6bcc0cdc0ec429a951ca10f29ca331fb5178
[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] 20e46fa309b8de81db4aa282e1fa1de5df02355fe7cc08de6d66e88fa0280ecf
[INFO] running `Command { std: "docker" "start" "-a" "20e46fa309b8de81db4aa282e1fa1de5df02355fe7cc08de6d66e88fa0280ecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling rustix v0.38.2
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking dyn-clone v1.0.11
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking is-terminal v0.4.8
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking clap_builder v4.3.10
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking webbrowser v0.8.10
[INFO] [stderr]     Checking clap v4.3.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]     Checking i3ref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.91s
[INFO] running `Command { std: "docker" "inspect" "20e46fa309b8de81db4aa282e1fa1de5df02355fe7cc08de6d66e88fa0280ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e46fa309b8de81db4aa282e1fa1de5df02355fe7cc08de6d66e88fa0280ecf", kill_on_drop: false }`
[INFO] [stdout] 20e46fa309b8de81db4aa282e1fa1de5df02355fe7cc08de6d66e88fa0280ecf
[INFO] checking i3ref-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate i3ref 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate i3ref 0.1.0 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 crates.io crate i3ref 0.1.0
[INFO] finished tweaking crates.io crate i3ref 0.1.0
[INFO] tweaked toml for crates.io crate i3ref 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate i3ref 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] d83c2c31d132dddc7a7110d8e646980ddd427ba67ba6ac55bbcc8e84481c929c
[INFO] running `Command { std: "docker" "start" "-a" "d83c2c31d132dddc7a7110d8e646980ddd427ba67ba6ac55bbcc8e84481c929c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d83c2c31d132dddc7a7110d8e646980ddd427ba67ba6ac55bbcc8e84481c929c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83c2c31d132dddc7a7110d8e646980ddd427ba67ba6ac55bbcc8e84481c929c", kill_on_drop: false }`
[INFO] [stdout] d83c2c31d132dddc7a7110d8e646980ddd427ba67ba6ac55bbcc8e84481c929c
[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] c518da5a37ff6a7d78c0d0d79543f4e6750ed5ba82bb0cbb4245135c03b70ed8
[INFO] running `Command { std: "docker" "start" "-a" "c518da5a37ff6a7d78c0d0d79543f4e6750ed5ba82bb0cbb4245135c03b70ed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.2
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking dyn-clone v1.0.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking is-terminal v0.4.8
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking clap_builder v4.3.10
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking webbrowser v0.8.10
[INFO] [stderr]     Checking clap v4.3.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]     Checking i3ref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.19s
[INFO] running `Command { std: "docker" "inspect" "c518da5a37ff6a7d78c0d0d79543f4e6750ed5ba82bb0cbb4245135c03b70ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c518da5a37ff6a7d78c0d0d79543f4e6750ed5ba82bb0cbb4245135c03b70ed8", kill_on_drop: false }`
[INFO] [stdout] c518da5a37ff6a7d78c0d0d79543f4e6750ed5ba82bb0cbb4245135c03b70ed8