[INFO] cloning repository https://github.com/Joatin/mipmap [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joatin/mipmap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoatin%2Fmipmap", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoatin%2Fmipmap'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 35ba73d449cb74039788db8602a59f4d98dfd46c [INFO] checking Joatin/mipmap against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoatin%2Fmipmap" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Joatin/mipmap on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Joatin/mipmap [INFO] finished tweaking git repo https://github.com/Joatin/mipmap [INFO] tweaked toml for git repo https://github.com/Joatin/mipmap written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Joatin/mipmap 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.88 [INFO] [stderr] Downloaded crossbeam-channel v0.5.3 [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2242c7cd7172e060d5d3a7b24a325007a45d6ff0a206f6b0a13a5f4511f85d3 [INFO] running `Command { std: "docker" "start" "-a" "b2242c7cd7172e060d5d3a7b24a325007a45d6ff0a206f6b0a13a5f4511f85d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2242c7cd7172e060d5d3a7b24a325007a45d6ff0a206f6b0a13a5f4511f85d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2242c7cd7172e060d5d3a7b24a325007a45d6ff0a206f6b0a13a5f4511f85d3", kill_on_drop: false }` [INFO] [stdout] b2242c7cd7172e060d5d3a7b24a325007a45d6ff0a206f6b0a13a5f4511f85d3 [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05d82cd43e11b771fe4999345c513205318ea91c74619a1d7d55e66892f6b92c [INFO] running `Command { std: "docker" "start" "-a" "05d82cd43e11b771fe4999345c513205318ea91c74619a1d7d55e66892f6b92c", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.120 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling syn v1.0.88 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking crossbeam-channel v0.5.3 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking spin v0.9.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.5.1 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking lebe v0.5.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking gif v0.11.3 [INFO] [stderr] Checking png v0.17.5 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking bytemuck v1.8.0 [INFO] [stderr] Checking tiff v0.7.1 [INFO] [stderr] Compiling mipmap_macros v0.0.1 (/opt/rustwide/workdir/macros) [INFO] [stderr] Checking jpeg-decoder v0.2.2 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking flume v0.10.12 [INFO] [stderr] Checking exr v1.4.1 [INFO] [stderr] Checking image v0.24.1 [INFO] [stderr] Checking mipmap v0.0.1 (/opt/rustwide/workdir/mipmap) [INFO] [stdout] error[E0599]: no method named `len` found for enum `Result` in the current scope [INFO] [stdout] --> mipmap/src/generate_mipmaps.rs:34:30 [INFO] [stdout] | [INFO] [stdout] 34 | assert_eq!(6, result.len()); [INFO] [stdout] | ^^^ method not found in `Result, Box>` [INFO] [stdout] | [INFO] [stdout] note: the method `len` exists on the type `Vec` [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/vec/mod.rs:2226:5 [INFO] [stdout] help: consider using `Result::expect` to unwrap the `Vec` value, panicking if the value is a `Result::Err` [INFO] [stdout] | [INFO] [stdout] 34 | assert_eq!(6, result.expect("REASON").len()); [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0608]: cannot index into a value of type `Result, Box>` [INFO] [stdout] --> mipmap/src/generate_mipmaps.rs:35:30 [INFO] [stdout] | [INFO] [stdout] 35 | assert_eq!(32, result[0].width()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0608]: cannot index into a value of type `Result, Box>` [INFO] [stdout] --> mipmap/src/generate_mipmaps.rs:36:30 [INFO] [stdout] | [INFO] [stdout] 36 | assert_eq!(16, result[1].width()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0608]: cannot index into a value of type `Result, Box>` [INFO] [stdout] --> mipmap/src/generate_mipmaps.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | assert_eq!(8, result[2].width()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0608]: cannot index into a value of type `Result, Box>` [INFO] [stdout] --> mipmap/src/generate_mipmaps.rs:38:29 [INFO] [stdout] | [INFO] [stdout] 38 | assert_eq!(4, result[3].width()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0608]: cannot index into a value of type `Result, Box>` [INFO] [stdout] --> mipmap/src/generate_mipmaps.rs:39:29 [INFO] [stdout] | [INFO] [stdout] 39 | assert_eq!(2, result[4].width()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0608]: cannot index into a value of type `Result, Box>` [INFO] [stdout] --> mipmap/src/generate_mipmaps.rs:40:29 [INFO] [stdout] | [INFO] [stdout] 40 | assert_eq!(1, result[5].width()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0608. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mipmap` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "05d82cd43e11b771fe4999345c513205318ea91c74619a1d7d55e66892f6b92c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05d82cd43e11b771fe4999345c513205318ea91c74619a1d7d55e66892f6b92c", kill_on_drop: false }` [INFO] [stdout] 05d82cd43e11b771fe4999345c513205318ea91c74619a1d7d55e66892f6b92c