[INFO] fetching crate noteref 0.9.1... [INFO] checking noteref-0.9.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate noteref 0.9.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate noteref 0.9.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate noteref 0.9.1 [INFO] finished tweaking crates.io crate noteref 0.9.1 [INFO] tweaked toml for crates.io crate noteref 0.9.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c10e05cb04494640d3d715a473f1f6e9eaae0f4dbf65477b0965457cb1752f9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1c10e05cb04494640d3d715a473f1f6e9eaae0f4dbf65477b0965457cb1752f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c10e05cb04494640d3d715a473f1f6e9eaae0f4dbf65477b0965457cb1752f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c10e05cb04494640d3d715a473f1f6e9eaae0f4dbf65477b0965457cb1752f9", kill_on_drop: false }` [INFO] [stdout] 1c10e05cb04494640d3d715a473f1f6e9eaae0f4dbf65477b0965457cb1752f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a917cb852b6ebb97e7d9d405e830c4298df422aba1c8caad339de0d1d3b6a07c [INFO] running `Command { std: "docker" "start" "-a" "a917cb852b6ebb97e7d9d405e830c4298df422aba1c8caad339de0d1d3b6a07c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking noteref v0.9.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/walk.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut possible_file = File::open(dir_entry.path()); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/walk.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut possible_file = File::open(dir_entry.path()); [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: panic message is not a string literal [INFO] [stdout] --> src/citations.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | panic!(error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 42 | panic!("{}", error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 42 | std::panic::panic_any(error); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/citations.rs:72:16 [INFO] [stdout] | [INFO] [stdout] 72 | panic!(error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 72 | panic!("{}", error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 72 | std::panic::panic_any(error); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/duplicates.rs:51:16 [INFO] [stdout] | [INFO] [stdout] 51 | panic!(error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 51 | panic!("{}", error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 51 | std::panic::panic_any(error); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/duplicates.rs:86:16 [INFO] [stdout] | [INFO] [stdout] 86 | panic!(error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 86 | panic!("{}", error); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 86 | std::panic::panic_any(error); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.56s [INFO] running `Command { std: "docker" "inspect" "a917cb852b6ebb97e7d9d405e830c4298df422aba1c8caad339de0d1d3b6a07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a917cb852b6ebb97e7d9d405e830c4298df422aba1c8caad339de0d1d3b6a07c", kill_on_drop: false }` [INFO] [stdout] a917cb852b6ebb97e7d9d405e830c4298df422aba1c8caad339de0d1d3b6a07c