[INFO] cloning repository https://github.com/dandavison/wormhole
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandavison/wormhole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandavison%2Fwormhole", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandavison%2Fwormhole'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb5ce8e65095ae5e7a95d25389b836d6ba52cb04
[INFO] checking dandavison/wormhole against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandavison%2Fwormhole" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dandavison/wormhole on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dandavison/wormhole
[INFO] finished tweaking git repo https://github.com/dandavison/wormhole
[INFO] tweaked toml for git repo https://github.com/dandavison/wormhole written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dandavison/wormhole 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87cd9563109447b14a46854e78988a5ccfefb578ef52f3f998922bb20803330
[INFO] running `Command { std: "docker" "start" "-a" "e87cd9563109447b14a46854e78988a5ccfefb578ef52f3f998922bb20803330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87cd9563109447b14a46854e78988a5ccfefb578ef52f3f998922bb20803330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87cd9563109447b14a46854e78988a5ccfefb578ef52f3f998922bb20803330", kill_on_drop: false }`
[INFO] [stdout] e87cd9563109447b14a46854e78988a5ccfefb578ef52f3f998922bb20803330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4370bdbfd52357ed5a3b2ae798caf9e9c34200f79465a8aa8bf9e50f72adfc92
[INFO] running `Command { std: "docker" "start" "-a" "4370bdbfd52357ed5a3b2ae798caf9e9c34200f79465a8aa8bf9e50f72adfc92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking regex v1.9.1
[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 wormhole v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "4370bdbfd52357ed5a3b2ae798caf9e9c34200f79465a8aa8bf9e50f72adfc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4370bdbfd52357ed5a3b2ae798caf9e9c34200f79465a8aa8bf9e50f72adfc92", kill_on_drop: false }`
[INFO] [stdout] 4370bdbfd52357ed5a3b2ae798caf9e9c34200f79465a8aa8bf9e50f72adfc92