[INFO] cloning repository https://github.com/WilliamASumner/buddha [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamASumner/buddha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamASumner%2Fbuddha", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamASumner%2Fbuddha'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af2ac995f417488f8ecd60a42fb1cf5566b992b2 [INFO] checking WilliamASumner/buddha against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamASumner%2Fbuddha" "/workspace/builds/worker-34/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/WilliamASumner/buddha on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/WilliamASumner/buddha [INFO] finished tweaking git repo https://github.com/WilliamASumner/buddha [INFO] tweaked toml for git repo https://github.com/WilliamASumner/buddha written to /workspace/builds/worker-34/source/Cargo.toml [INFO] crate git repo https://github.com/WilliamASumner/buddha already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray v0.13.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c365783b8d8c44d6a88581c8d752848e853c106795b180febea2699f2e6631d2 [INFO] running `Command { std: "docker" "start" "-a" "c365783b8d8c44d6a88581c8d752848e853c106795b180febea2699f2e6631d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c365783b8d8c44d6a88581c8d752848e853c106795b180febea2699f2e6631d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c365783b8d8c44d6a88581c8d752848e853c106795b180febea2699f2e6631d2", kill_on_drop: false }` [INFO] [stdout] c365783b8d8c44d6a88581c8d752848e853c106795b180febea2699f2e6631d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3818596a02ed7bd31d144b79dc08abd524b2baceea7f27f0c05816e70dfc033 [INFO] running `Command { std: "docker" "start" "-a" "a3818596a02ed7bd31d144b79dc08abd524b2baceea7f27f0c05816e70dfc033", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking matrixmultiply v0.2.3 [INFO] [stderr] Checking png v0.15.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking fractal v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stdout] warning: value assigned to `iters` is never read [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | let mut iters = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iters` is never read [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | let mut iters = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.80s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking fractal v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: value assigned to `iters` is never read [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | let mut iters = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iters` is never read [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | let mut iters = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.81s [INFO] running `Command { std: "docker" "inspect" "a3818596a02ed7bd31d144b79dc08abd524b2baceea7f27f0c05816e70dfc033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3818596a02ed7bd31d144b79dc08abd524b2baceea7f27f0c05816e70dfc033", kill_on_drop: false }` [INFO] [stdout] a3818596a02ed7bd31d144b79dc08abd524b2baceea7f27f0c05816e70dfc033