[INFO] cloning repository https://github.com/fc129/echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fc129/echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffc129%2Fecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffc129%2Fecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57498dcc5cfdfa10c80e30364ee9a2dd966688ca
[INFO] checking fc129/echo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffc129%2Fecho" "/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/fc129/echo 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/fc129/echo
[INFO] finished tweaking git repo https://github.com/fc129/echo
[INFO] tweaked toml for git repo https://github.com/fc129/echo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fc129/echo 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 concrete-fft v0.2.1
[INFO] [stderr]   Downloaded concrete-csprng v0.3.0
[INFO] [stderr]   Downloaded dyn-stack v0.9.0
[INFO] [stderr]   Downloaded pulp v0.11.11
[INFO] [stderr]   Downloaded tfhe v0.3.1
[INFO] [stderr]   Downloaded reborrow v0.5.4
[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] 773c288984ef312344c971843a8f974b53afd5294ab78b9034e7f6fb0963b841
[INFO] running `Command { std: "docker" "start" "-a" "773c288984ef312344c971843a8f974b53afd5294ab78b9034e7f6fb0963b841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "773c288984ef312344c971843a8f974b53afd5294ab78b9034e7f6fb0963b841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773c288984ef312344c971843a8f974b53afd5294ab78b9034e7f6fb0963b841", kill_on_drop: false }`
[INFO] [stdout] 773c288984ef312344c971843a8f974b53afd5294ab78b9034e7f6fb0963b841
[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] bd0314b060a39bb734bec354913c9845b7305d5e17c3545a71ba5cbba5d8a26a
[INFO] running `Command { std: "docker" "start" "-a" "bd0314b060a39bb734bec354913c9845b7305d5e17c3545a71ba5cbba5d8a26a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling concrete-csprng v0.3.0
[INFO] [stderr]     Checking reborrow v0.5.4
[INFO] [stderr]     Checking pulp v0.11.11
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]     Checking dyn-stack v0.9.0
[INFO] [stderr]    Compiling tfhe v0.3.1
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking concrete-fft v0.2.1
[INFO] [stderr]     Checking httpecho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.04s
[INFO] running `Command { std: "docker" "inspect" "bd0314b060a39bb734bec354913c9845b7305d5e17c3545a71ba5cbba5d8a26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0314b060a39bb734bec354913c9845b7305d5e17c3545a71ba5cbba5d8a26a", kill_on_drop: false }`
[INFO] [stdout] bd0314b060a39bb734bec354913c9845b7305d5e17c3545a71ba5cbba5d8a26a
[INFO] checking fc129/echo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffc129%2Fecho" "/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/fc129/echo 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/fc129/echo
[INFO] finished tweaking git repo https://github.com/fc129/echo
[INFO] tweaked toml for git repo https://github.com/fc129/echo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fc129/echo 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] 4e5ee3772a003f4b823539421cea159bf988ecc529bfa4761ee724ef486e15be
[INFO] running `Command { std: "docker" "start" "-a" "4e5ee3772a003f4b823539421cea159bf988ecc529bfa4761ee724ef486e15be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5ee3772a003f4b823539421cea159bf988ecc529bfa4761ee724ef486e15be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5ee3772a003f4b823539421cea159bf988ecc529bfa4761ee724ef486e15be", kill_on_drop: false }`
[INFO] [stdout] 4e5ee3772a003f4b823539421cea159bf988ecc529bfa4761ee724ef486e15be
[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] 9786473be4d5f9a2f34d3c6693a663b717ba6055ffd29a3cacf045aaf610d0df
[INFO] running `Command { std: "docker" "start" "-a" "9786473be4d5f9a2f34d3c6693a663b717ba6055ffd29a3cacf045aaf610d0df", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling concrete-csprng v0.3.0
[INFO] [stderr]     Checking reborrow v0.5.4
[INFO] [stderr]     Checking pulp v0.11.11
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]     Checking dyn-stack v0.9.0
[INFO] [stderr]    Compiling tfhe v0.3.1
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking concrete-fft v0.2.1
[INFO] [stderr]     Checking httpecho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.67s
[INFO] running `Command { std: "docker" "inspect" "9786473be4d5f9a2f34d3c6693a663b717ba6055ffd29a3cacf045aaf610d0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9786473be4d5f9a2f34d3c6693a663b717ba6055ffd29a3cacf045aaf610d0df", kill_on_drop: false }`
[INFO] [stdout] 9786473be4d5f9a2f34d3c6693a663b717ba6055ffd29a3cacf045aaf610d0df