[INFO] cloning repository https://github.com/tengwar/file-dedup [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tengwar/file-dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengwar%2Ffile-dedup", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengwar%2Ffile-dedup'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0090ab52e14d029e009cae52bfde07bb3074874 [INFO] checking tengwar/file-dedup against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengwar%2Ffile-dedup" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tengwar/file-dedup on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tengwar/file-dedup [INFO] finished tweaking git repo https://github.com/tengwar/file-dedup [INFO] tweaked toml for git repo https://github.com/tengwar/file-dedup written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/tengwar/file-dedup already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gcc v0.3.50 [INFO] [stderr] Downloaded multimap v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 534c456cc074ba1776b985b9e6878e583e8e42ddd86b093dfeae59122c891b68 [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" "534c456cc074ba1776b985b9e6878e583e8e42ddd86b093dfeae59122c891b68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "534c456cc074ba1776b985b9e6878e583e8e42ddd86b093dfeae59122c891b68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "534c456cc074ba1776b985b9e6878e583e8e42ddd86b093dfeae59122c891b68", kill_on_drop: false }` [INFO] [stdout] 534c456cc074ba1776b985b9e6878e583e8e42ddd86b093dfeae59122c891b68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] a428cfc35413774267aed8c688d28a454098f16f5d565eb6d34542df8cad3161 [INFO] running `Command { std: "docker" "start" "-a" "a428cfc35413774267aed8c688d28a454098f16f5d565eb6d34542df8cad3161", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.23 [INFO] [stderr] Compiling gcc v0.3.50 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.4 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking unicode-segmentation v1.2.0 [INFO] [stderr] Checking multimap v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking clap v2.24.2 [INFO] [stderr] Compiling backtrace-sys v0.1.11 [INFO] [stderr] Checking backtrace v0.3.2 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking image-dedup v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/helper.rs:8:45 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn visit_dirs(dir: &Path, command: &mut FnMut(&DirEntry) -> Result<()>) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&DirEntry) -> Result<()>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/helper.rs:8:45 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn visit_dirs(dir: &Path, command: &mut FnMut(&DirEntry) -> Result<()>) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&DirEntry) -> Result<()>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | let mut some_dupes = &mut helper::find_duplicates(paths) // TODO: use human-readable sizes below. [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:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | let mut some_dupes = &mut helper::find_duplicates(paths) // TODO: use human-readable sizes below. [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.73s [INFO] running `Command { std: "docker" "inspect" "a428cfc35413774267aed8c688d28a454098f16f5d565eb6d34542df8cad3161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a428cfc35413774267aed8c688d28a454098f16f5d565eb6d34542df8cad3161", kill_on_drop: false }` [INFO] [stdout] a428cfc35413774267aed8c688d28a454098f16f5d565eb6d34542df8cad3161