[INFO] fetching crate difftastic-lib 0.0.2... [INFO] testing difftastic-lib-0.0.2 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628 [INFO] extracting crate difftastic-lib 0.0.2 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate difftastic-lib 0.0.2 [INFO] finished tweaking crates.io crate difftastic-lib 0.0.2 [INFO] tweaked toml for crates.io crate difftastic-lib 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate difftastic-lib 0.0.2 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate difftastic-lib 0.0.2 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rpds v0.10.0 [INFO] [stderr] Downloaded archery v0.4.0 [INFO] [stderr] Downloaded radix-heap v0.4.2 [INFO] [stderr] Downloaded wu-diff v0.1.2 [INFO] [stderr] Downloaded const_format v0.2.23 [INFO] [stderr] Downloaded tree-sitter v0.20.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fbb19939f66db4bf2b2c034411f0b88259e670bb90addeee393572720976c0b9 [INFO] running `Command { std: "docker" "start" "-a" "fbb19939f66db4bf2b2c034411f0b88259e670bb90addeee393572720976c0b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fbb19939f66db4bf2b2c034411f0b88259e670bb90addeee393572720976c0b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbb19939f66db4bf2b2c034411f0b88259e670bb90addeee393572720976c0b9", kill_on_drop: false }` [INFO] [stdout] fbb19939f66db4bf2b2c034411f0b88259e670bb90addeee393572720976c0b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 845bd8c79e405537d57f81bc787a89182c15566a3aa61ce03d287f2e1cd7b065 [INFO] running `Command { std: "docker" "start" "-a" "845bd8c79e405537d57f81bc787a89182c15566a3aa61ce03d287f2e1cd7b065", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling io-lifetimes v0.7.3 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libmimalloc-sys v0.1.24 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling rustix v0.35.9 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling tree-sitter v0.20.6 [INFO] [stderr] Compiling linux-raw-sys v0.0.46 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling os_str_bytes v6.0.1 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling archery v0.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling nom v7.1.1 [INFO] [stderr] Compiling bytecount v0.6.2 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling rpds v0.10.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling clap_lex v0.2.0 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling bumpalo v3.9.1 [INFO] [stderr] Compiling petgraph v0.6.1 [INFO] [stderr] Compiling wu-diff v0.1.2 [INFO] [stderr] Compiling typed-arena v2.0.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling radix-heap v0.4.2 [INFO] [stderr] Compiling owo-colors v3.4.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling mimalloc v0.1.28 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling term_size v0.3.2 [INFO] [stderr] Compiling const_format v0.2.23 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling clap v3.1.18 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling pretty_env_logger v0.4.0 [INFO] [stderr] Compiling tree_magic_mini v3.0.3 [INFO] [stderr] Compiling terminal_size v0.2.1 [INFO] [stderr] Compiling difftastic-lib v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Vertex<'_, '_>` instead of cloning the inner type [INFO] [stdout] --> src/diff/dijkstra.rs:94:29 [INFO] [stdout] | [INFO] [stdout] 94 | res.push((edge, prev.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/parse/guess_language.rs:239:63 [INFO] [stdout] | [INFO] [stdout] 239 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/options.rs:304:31 [INFO] [stdout] | [INFO] [stdout] 304 | match display_mode_str.borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.51s [INFO] running `Command { std: "docker" "inspect" "845bd8c79e405537d57f81bc787a89182c15566a3aa61ce03d287f2e1cd7b065", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "845bd8c79e405537d57f81bc787a89182c15566a3aa61ce03d287f2e1cd7b065", kill_on_drop: false }` [INFO] [stdout] 845bd8c79e405537d57f81bc787a89182c15566a3aa61ce03d287f2e1cd7b065 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8733dd485af49efb64547874d1285f545d6efd99c95dd906de5d3aa909b8d4f6 [INFO] running `Command { std: "docker" "start" "-a" "8733dd485af49efb64547874d1285f545d6efd99c95dd906de5d3aa909b8d4f6", kill_on_drop: false }` [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Vertex<'_, '_>` instead of cloning the inner type [INFO] [stdout] --> src/diff/dijkstra.rs:94:29 [INFO] [stdout] | [INFO] [stdout] 94 | res.push((edge, prev.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/parse/guess_language.rs:239:63 [INFO] [stdout] | [INFO] [stdout] 239 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/options.rs:304:31 [INFO] [stdout] | [INFO] [stdout] 304 | match display_mode_str.borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pretty_assertions v1.2.1 [INFO] [stderr] Compiling difftastic-lib v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&graph::Vertex<'_, '_>` instead of cloning the inner type [INFO] [stdout] --> src/diff/dijkstra.rs:94:29 [INFO] [stdout] | [INFO] [stdout] 94 | res.push((edge, prev.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/parse/guess_language.rs:239:63 [INFO] [stdout] | [INFO] [stdout] 239 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/options.rs:304:31 [INFO] [stdout] | [INFO] [stdout] 304 | match display_mode_str.borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.81s [INFO] running `Command { std: "docker" "inspect" "8733dd485af49efb64547874d1285f545d6efd99c95dd906de5d3aa909b8d4f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8733dd485af49efb64547874d1285f545d6efd99c95dd906de5d3aa909b8d4f6", kill_on_drop: false }` [INFO] [stdout] 8733dd485af49efb64547874d1285f545d6efd99c95dd906de5d3aa909b8d4f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9f8f7e67677a427f63b88a07c404362c65557dea3d32b5e793d1782abb26c8f9 [INFO] running `Command { std: "docker" "start" "-a" "9f8f7e67677a427f63b88a07c404362c65557dea3d32b5e793d1782abb26c8f9", kill_on_drop: false }` [INFO] [stderr] error: failed to download `mimalloc v0.1.28` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to unpack package `mimalloc v0.1.28` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mimalloc-0.1.28` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Read-only file system (os error 30) [INFO] running `Command { std: "docker" "inspect" "9f8f7e67677a427f63b88a07c404362c65557dea3d32b5e793d1782abb26c8f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f8f7e67677a427f63b88a07c404362c65557dea3d32b5e793d1782abb26c8f9", kill_on_drop: false }` [INFO] [stdout] 9f8f7e67677a427f63b88a07c404362c65557dea3d32b5e793d1782abb26c8f9