[INFO] cloning repository https://github.com/florentinl/qrcode-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/florentinl/qrcode-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentinl%2Fqrcode-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentinl%2Fqrcode-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f44f4cf32f2f6d5c2fa22c6ffb28373cb981d06f
[INFO] checking florentinl/qrcode-gen against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentinl%2Fqrcode-gen" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/florentinl/qrcode-gen 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/florentinl/qrcode-gen
[INFO] finished tweaking git repo https://github.com/florentinl/qrcode-gen
[INFO] tweaked toml for git repo https://github.com/florentinl/qrcode-gen written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/florentinl/qrcode-gen 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opener v0.6.1
[INFO] [stderr]   Downloaded arboard v3.2.1
[INFO] [stderr]   Downloaded normpath v1.1.1
[INFO] [stderr]   Downloaded qrcode-generator v4.1.9
[INFO] [stderr]   Downloaded qrcodegen v1.8.0
[INFO] [stderr]   Downloaded html-escape v0.2.13
[INFO] [stderr]   Downloaded bstr v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 98ab26cfdebf0c732c1bf8a850db31e898cdafb4ae1f0bf2f8c5fe42f1125ae9
[INFO] running `Command { std: "docker" "start" "-a" "98ab26cfdebf0c732c1bf8a850db31e898cdafb4ae1f0bf2f8c5fe42f1125ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98ab26cfdebf0c732c1bf8a850db31e898cdafb4ae1f0bf2f8c5fe42f1125ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ab26cfdebf0c732c1bf8a850db31e898cdafb4ae1f0bf2f8c5fe42f1125ae9", kill_on_drop: false }`
[INFO] [stdout] 98ab26cfdebf0c732c1bf8a850db31e898cdafb4ae1f0bf2f8c5fe42f1125ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d3754078af1f0bb8d1ecd2e45420dd3f65bd75648dbe6b38ad8a71641981446c
[INFO] running `Command { std: "docker" "start" "-a" "d3754078af1f0bb8d1ecd2e45420dd3f65bd75648dbe6b38ad8a71641981446c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking qrcodegen v1.8.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking bstr v1.7.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking opener v0.6.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking qrcode-generator v4.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking arboard v3.2.1
[INFO] [stderr]     Checking qr-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `opener` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use opener;
[INFO] [stdout]   |     ^^^^^^ the item `opener` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `opener` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use opener;
[INFO] [stdout]   |     ^^^^^^ the item `opener` is already defined by prelude
[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 6.65s
[INFO] running `Command { std: "docker" "inspect" "d3754078af1f0bb8d1ecd2e45420dd3f65bd75648dbe6b38ad8a71641981446c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3754078af1f0bb8d1ecd2e45420dd3f65bd75648dbe6b38ad8a71641981446c", kill_on_drop: false }`
[INFO] [stdout] d3754078af1f0bb8d1ecd2e45420dd3f65bd75648dbe6b38ad8a71641981446c