[INFO] cloning repository https://github.com/vernonrj/similarity [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vernonrj/similarity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvernonrj%2Fsimilarity", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvernonrj%2Fsimilarity'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6cd3770a9ad121ae15e02800c0337e7a1b028e48 [INFO] checking vernonrj/similarity against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvernonrj%2Fsimilarity" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vernonrj/similarity on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vernonrj/similarity [INFO] finished tweaking git repo https://github.com/vernonrj/similarity [INFO] tweaked toml for git repo https://github.com/vernonrj/similarity written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vernonrj/similarity 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v0.8.0 [INFO] [stderr] Downloaded clap v2.21.1 [INFO] [stderr] Downloaded backtrace-sys v0.1.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7270652d152202637ffc0b0936b76a4ec169c5553a97fcd672cc00fb20115dbe [INFO] running `Command { std: "docker" "start" "-a" "7270652d152202637ffc0b0936b76a4ec169c5553a97fcd672cc00fb20115dbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7270652d152202637ffc0b0936b76a4ec169c5553a97fcd672cc00fb20115dbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7270652d152202637ffc0b0936b76a4ec169c5553a97fcd672cc00fb20115dbe", kill_on_drop: false }` [INFO] [stdout] 7270652d152202637ffc0b0936b76a4ec169c5553a97fcd672cc00fb20115dbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd8ffeb9edf9b6a34d6521a091538ef3a841d2e12d716dc1d86e41fd7bb75c65 [INFO] running `Command { std: "docker" "start" "-a" "bd8ffeb9edf9b6a34d6521a091538ef3a841d2e12d716dc1d86e41fd7bb75c65", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.4 [INFO] [stderr] Checking bitflags v0.8.0 [INFO] [stderr] Checking vec_map v0.7.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking term_size v0.2.3 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking clap v2.21.1 [INFO] [stderr] Compiling backtrace-sys v0.1.10 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking similarity v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/diffcore.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | let mut e = h.entry(buf).or_insert((hashed, 0)); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/diffcore.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | let mut e = h.entry(buf).or_insert((hashed, 0)); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | let mut found = matches.entry(line).or_insert(0.0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | let mut found = matches.entry(line).or_insert(0.0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.8.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "bd8ffeb9edf9b6a34d6521a091538ef3a841d2e12d716dc1d86e41fd7bb75c65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd8ffeb9edf9b6a34d6521a091538ef3a841d2e12d716dc1d86e41fd7bb75c65", kill_on_drop: false }` [INFO] [stdout] bd8ffeb9edf9b6a34d6521a091538ef3a841d2e12d716dc1d86e41fd7bb75c65 [INFO] checking vernonrj/similarity against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvernonrj%2Fsimilarity" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vernonrj/similarity on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vernonrj/similarity [INFO] finished tweaking git repo https://github.com/vernonrj/similarity [INFO] tweaked toml for git repo https://github.com/vernonrj/similarity written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/vernonrj/similarity 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1733c8ad0026298e0f54beafb2d30bd112dbcaee88c99a80a73782d1946eb05e [INFO] running `Command { std: "docker" "start" "-a" "1733c8ad0026298e0f54beafb2d30bd112dbcaee88c99a80a73782d1946eb05e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1733c8ad0026298e0f54beafb2d30bd112dbcaee88c99a80a73782d1946eb05e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1733c8ad0026298e0f54beafb2d30bd112dbcaee88c99a80a73782d1946eb05e", kill_on_drop: false }` [INFO] [stdout] 1733c8ad0026298e0f54beafb2d30bd112dbcaee88c99a80a73782d1946eb05e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d2a9042252a66a9b39519f8ff3f8cf3cc5eb5c263fcb8fac44ca5da0acea3ab [INFO] running `Command { std: "docker" "start" "-a" "3d2a9042252a66a9b39519f8ff3f8cf3cc5eb5c263fcb8fac44ca5da0acea3ab", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.4 [INFO] [stderr] Checking bitflags v0.8.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking vec_map v0.7.0 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking term_size v0.2.3 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking clap v2.21.1 [INFO] [stderr] Compiling backtrace-sys v0.1.10 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking similarity v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/diffcore.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | let mut e = h.entry(buf).or_insert((hashed, 0)); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/diffcore.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | let mut e = h.entry(buf).or_insert((hashed, 0)); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | let mut found = matches.entry(line).or_insert(0.0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | let mut found = matches.entry(line).or_insert(0.0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:136:8 [INFO] [stdout] | [INFO] [stdout] 130 | fn trigramize_file
(filename: P) -> DiffResult (filename: P) -> DiffResult