[INFO] fetching crate qoiconv 0.1.0... [INFO] checking qoiconv-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate qoiconv 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate qoiconv 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 qoiconv 0.1.0 [INFO] finished tweaking crates.io crate qoiconv 0.1.0 [INFO] tweaked toml for crates.io crate qoiconv 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate qoiconv 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rayon-core v1.9.2 [INFO] [stderr] Downloaded rayon v1.5.2 [INFO] [stderr] Downloaded spin v0.9.3 [INFO] [stderr] Downloaded jpeg-decoder v0.2.5 [INFO] [stderr] Downloaded libqoi v0.2.1 [INFO] [stderr] Downloaded flume v0.10.12 [INFO] [stderr] Downloaded image v0.24.2 [INFO] [stderr] Downloaded tiff v0.7.2 [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] 415ff9673e50b1dc4a206d85b1e987a710ac9aaf112c0c26250dbd601141fdcf [INFO] running `Command { std: "docker" "start" "-a" "415ff9673e50b1dc4a206d85b1e987a710ac9aaf112c0c26250dbd601141fdcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "415ff9673e50b1dc4a206d85b1e987a710ac9aaf112c0c26250dbd601141fdcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "415ff9673e50b1dc4a206d85b1e987a710ac9aaf112c0c26250dbd601141fdcf", kill_on_drop: false }` [INFO] [stdout] 415ff9673e50b1dc4a206d85b1e987a710ac9aaf112c0c26250dbd601141fdcf [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] b76e83bd845d4123b79ccc6cc385226dc5c3e29bb6db1874d7ec96095fa3f4d6 [INFO] running `Command { std: "docker" "start" "-a" "b76e83bd845d4123b79ccc6cc385226dc5c3e29bb6db1874d7ec96095fa3f4d6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling rayon-core v1.9.2 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking miniz_oxide v0.5.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking weezl v0.1.6 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lebe v0.5.1 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking gif v0.11.3 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Checking libqoi v0.2.1 [INFO] [stderr] Checking png v0.17.5 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking flate2 v1.0.23 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking jpeg-decoder v0.2.5 [INFO] [stderr] Checking tiff v0.7.2 [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 v1.4.2 [INFO] [stderr] Checking image v0.24.2 [INFO] [stderr] Checking qoiconv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `image` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use image; [INFO] [stdout] | ^^^^^ the item `image` 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 `image` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use image; [INFO] [stdout] | ^^^^^ the item `image` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `img` is never read [INFO] [stdout] --> src/main.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let mut img = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/main.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let mut res = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `img` is never read [INFO] [stdout] --> src/main.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let mut img = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/main.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let mut res = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.75s [INFO] running `Command { std: "docker" "inspect" "b76e83bd845d4123b79ccc6cc385226dc5c3e29bb6db1874d7ec96095fa3f4d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b76e83bd845d4123b79ccc6cc385226dc5c3e29bb6db1874d7ec96095fa3f4d6", kill_on_drop: false }` [INFO] [stdout] b76e83bd845d4123b79ccc6cc385226dc5c3e29bb6db1874d7ec96095fa3f4d6 [INFO] checking qoiconv-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate qoiconv 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate qoiconv 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 qoiconv 0.1.0 [INFO] finished tweaking crates.io crate qoiconv 0.1.0 [INFO] tweaked toml for crates.io crate qoiconv 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate qoiconv 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] 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] 4fb2241758784944baef63aee329f39a1c43ccd4898e4c2b81ee61b2160c5f9f [INFO] running `Command { std: "docker" "start" "-a" "4fb2241758784944baef63aee329f39a1c43ccd4898e4c2b81ee61b2160c5f9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fb2241758784944baef63aee329f39a1c43ccd4898e4c2b81ee61b2160c5f9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fb2241758784944baef63aee329f39a1c43ccd4898e4c2b81ee61b2160c5f9f", kill_on_drop: false }` [INFO] [stdout] 4fb2241758784944baef63aee329f39a1c43ccd4898e4c2b81ee61b2160c5f9f [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] 9b680f105ecddff0bc82e1b09784ac59d0adfdb13ebd6905495b4e3f14d47c0d [INFO] running `Command { std: "docker" "start" "-a" "9b680f105ecddff0bc82e1b09784ac59d0adfdb13ebd6905495b4e3f14d47c0d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling rayon-core v1.9.2 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking miniz_oxide v0.5.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Checking weezl v0.1.6 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lebe v0.5.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Checking libqoi v0.2.1 [INFO] [stderr] Checking gif v0.11.3 [INFO] [stderr] Checking png v0.17.5 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking flate2 v1.0.23 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking jpeg-decoder v0.2.5 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Checking tiff v0.7.2 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking flume v0.10.12 [INFO] [stderr] Checking exr v1.4.2 [INFO] [stderr] Checking image v0.24.2 [INFO] [stderr] Checking qoiconv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `image` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use image; [INFO] [stdout] | ^^^^^ the item `image` 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 `image` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use image; [INFO] [stdout] | ^^^^^ the item `image` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `img` is never read [INFO] [stdout] --> src/main.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let mut img = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/main.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let mut res = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `img` is never read [INFO] [stdout] --> src/main.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let mut img = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/main.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let mut res = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.25s [INFO] running `Command { std: "docker" "inspect" "9b680f105ecddff0bc82e1b09784ac59d0adfdb13ebd6905495b4e3f14d47c0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b680f105ecddff0bc82e1b09784ac59d0adfdb13ebd6905495b4e3f14d47c0d", kill_on_drop: false }` [INFO] [stdout] 9b680f105ecddff0bc82e1b09784ac59d0adfdb13ebd6905495b4e3f14d47c0d