[INFO] cloning repository https://github.com/chengshuyi/eutils-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengshuyi/eutils-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengshuyi%2Feutils-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengshuyi%2Feutils-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7db0f8feda90c1adab1b95c7e51cdf1a544c33bf [INFO] checking chengshuyi/eutils-rs against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengshuyi%2Feutils-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/chengshuyi/eutils-rs [INFO] finished tweaking git repo https://github.com/chengshuyi/eutils-rs [INFO] tweaked toml for git repo https://github.com/chengshuyi/eutils-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chengshuyi/eutils-rs on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/chengshuyi/eutils-rs 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strum_macros v0.24.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 074e9bddb20cf0257feb907c92bb7107b000e6a7c183c8f47336bcb4324dccdf [INFO] running `Command { std: "docker" "start" "-a" "074e9bddb20cf0257feb907c92bb7107b000e6a7c183c8f47336bcb4324dccdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "074e9bddb20cf0257feb907c92bb7107b000e6a7c183c8f47336bcb4324dccdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "074e9bddb20cf0257feb907c92bb7107b000e6a7c183c8f47336bcb4324dccdf", kill_on_drop: false }` [INFO] [stdout] 074e9bddb20cf0257feb907c92bb7107b000e6a7c183c8f47336bcb4324dccdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ca86bce2624256f7daffcf78a3e3b0dec351dd377780e5505bfd9fa36935077 [INFO] running `Command { std: "docker" "start" "-a" "3ca86bce2624256f7daffcf78a3e3b0dec351dd377780e5505bfd9fa36935077", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling strum_macros v0.24.1 [INFO] [stderr] Checking eutils-rs v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/proc/snmp.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::{read_to_string, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/proc/snmp.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/proc/netstat.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::{read_to_string, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/proc/netstat.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/proc/pid_fd.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | path::{Path, PathBuf}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Result` [INFO] [stdout] --> src/proc/pid.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/proc/snmp.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::{read_to_string, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/proc/snmp.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/proc/netstat.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::{read_to_string, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/proc/netstat.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/proc/pid_fd.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | path::{Path, PathBuf}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Result` [INFO] [stdout] --> src/proc/pid.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/proc/snmp.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/proc/netstat.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `major_revision` is never read [INFO] [stdout] --> src/kernel_version.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut major_revision = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `minor_revision` is never read [INFO] [stdout] --> src/kernel_version.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | let mut minor_revision = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `entry` [INFO] [stdout] --> src/proc/pid.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | for entry in fs::read_dir(&pb) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/proc/net_tcp.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NetTcp { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 8 | local_address: SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 9 | rem_address: SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | st: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | tx_queue: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 12 | rx_queue: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 13 | tr: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 14 | tm_when: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 15 | retrnsmt: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 16 | uid: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 17 | timeout: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 18 | inode: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | reference: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 20 | sk_addr: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/proc/pid.rs:56:22 [INFO] [stdout] | [INFO] [stdout] 56 | for entry in fs::read_dir(&pb) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 56 - for entry in fs::read_dir(&pb) {} [INFO] [stdout] 56 + while let Ok(entry) = fs::read_dir(&pb) {} [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 56 - for entry in fs::read_dir(&pb) {} [INFO] [stdout] 56 + if let Ok(entry) = fs::read_dir(&pb) {} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/proc/snmp.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/proc/netstat.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `major_revision` is never read [INFO] [stdout] --> src/kernel_version.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut major_revision = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `minor_revision` is never read [INFO] [stdout] --> src/kernel_version.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | let mut minor_revision = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `delta` [INFO] [stdout] --> src/proc/snmp.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | let delta = snmp1 - snmp2; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `delta` [INFO] [stdout] --> src/proc/netstat.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | let delta = netstat1 - netstat2; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `entry` [INFO] [stdout] --> src/proc/pid.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | for entry in fs::read_dir(&pb) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/proc/pid.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let pid = Pid::from_file("/proc/1/"); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/proc/net_tcp.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NetTcp { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 8 | local_address: SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 9 | rem_address: SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | st: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | tx_queue: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 12 | rx_queue: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 13 | tr: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 14 | tm_when: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 15 | retrnsmt: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 16 | uid: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 17 | timeout: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 18 | inode: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | reference: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 20 | sk_addr: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/proc/pid.rs:56:22 [INFO] [stdout] | [INFO] [stdout] 56 | for entry in fs::read_dir(&pb) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 56 - for entry in fs::read_dir(&pb) {} [INFO] [stdout] 56 + while let Ok(entry) = fs::read_dir(&pb) {} [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 56 - for entry in fs::read_dir(&pb) {} [INFO] [stdout] 56 + if let Ok(entry) = fs::read_dir(&pb) {} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.46s [INFO] running `Command { std: "docker" "inspect" "3ca86bce2624256f7daffcf78a3e3b0dec351dd377780e5505bfd9fa36935077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ca86bce2624256f7daffcf78a3e3b0dec351dd377780e5505bfd9fa36935077", kill_on_drop: false }` [INFO] [stdout] 3ca86bce2624256f7daffcf78a3e3b0dec351dd377780e5505bfd9fa36935077