[INFO] cloning repository https://github.com/yzimhao/uopen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yzimhao/uopen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyzimhao%2Fuopen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyzimhao%2Fuopen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0e894400a770b1ae821857b5e23629feb62e470d [INFO] checking yzimhao/uopen against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyzimhao%2Fuopen" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yzimhao/uopen on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yzimhao/uopen [INFO] removed path dependency config from git repo https://github.com/yzimhao/uopen [INFO] finished tweaking git repo https://github.com/yzimhao/uopen [INFO] tweaked toml for git repo https://github.com/yzimhao/uopen written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/yzimhao/uopen already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded simple_logger v0.4.0 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a61a772901397ac4200fe71ccbc5c48c2a66f6ad76fb11f5769dbb23820aa72 [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" "6a61a772901397ac4200fe71ccbc5c48c2a66f6ad76fb11f5769dbb23820aa72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a61a772901397ac4200fe71ccbc5c48c2a66f6ad76fb11f5769dbb23820aa72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a61a772901397ac4200fe71ccbc5c48c2a66f6ad76fb11f5769dbb23820aa72", kill_on_drop: false }` [INFO] [stdout] 6a61a772901397ac4200fe71ccbc5c48c2a66f6ad76fb11f5769dbb23820aa72 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44795f73432751731f111f78dd2b2b31406a232159246b09cfc9c5e678bcf438 [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" "44795f73432751731f111f78dd2b2b31406a232159246b09cfc9c5e678bcf438", kill_on_drop: false }` [INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking yaml-rust v0.4.4 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking simple_logger v0.4.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking config v0.10.1 [INFO] [stderr] Checking uopen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Path` [INFO] [stdout] --> src/lib.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/lib.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | homeconfig.push(env::home_dir().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 71 | exit(1); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 72 | return child.wait() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_err` is never read [INFO] [stdout] --> src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut last_err: io::Result = Err(io::Error::from_raw_os_error(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: unused variable: `child` [INFO] [stdout] --> src/lib.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(mut child) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(mut child) => { [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: unused import: `Path` [INFO] [stdout] --> src/lib.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/lib.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | homeconfig.push(env::home_dir().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | that(opt); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | filemanager(abspath); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 71 | exit(1); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 72 | return child.wait() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_err` is never read [INFO] [stdout] --> src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut last_err: io::Result = Err(io::Error::from_raw_os_error(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: unused variable: `child` [INFO] [stdout] --> src/lib.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(mut child) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(mut child) => { [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | that(opt); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | filemanager(abspath); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.90s [INFO] running `Command { std: "docker" "inspect" "44795f73432751731f111f78dd2b2b31406a232159246b09cfc9c5e678bcf438", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44795f73432751731f111f78dd2b2b31406a232159246b09cfc9c5e678bcf438", kill_on_drop: false }` [INFO] [stdout] 44795f73432751731f111f78dd2b2b31406a232159246b09cfc9c5e678bcf438