[INFO] fetching crate rudo 0.3.1...
[INFO] checking rudo-0.3.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate rudo 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rudo 0.3.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rudo 0.3.1
[INFO] finished tweaking crates.io crate rudo 0.3.1
[INFO] tweaked toml for crates.io crate rudo 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rudo 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", 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] 54c4135db6a4c6c4407acc95d38af48258d4ac26cf0944ce1a7c2fa3ec8e0223
[INFO] running `Command { std: "docker" "start" "-a" "54c4135db6a4c6c4407acc95d38af48258d4ac26cf0944ce1a7c2fa3ec8e0223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c4135db6a4c6c4407acc95d38af48258d4ac26cf0944ce1a7c2fa3ec8e0223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c4135db6a4c6c4407acc95d38af48258d4ac26cf0944ce1a7c2fa3ec8e0223", kill_on_drop: false }`
[INFO] [stdout] 54c4135db6a4c6c4407acc95d38af48258d4ac26cf0944ce1a7c2fa3ec8e0223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e01a7779440e6f72e8578274e7266553b08b7f47a7453f6878ca1154043da99d
[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" "e01a7779440e6f72e8578274e7266553b08b7f47a7453f6878ca1154043da99d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling build-env v0.3.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking configparser v2.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libsystemd-sys v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]    Compiling enum-repr v0.2.6
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking systemd v0.8.2
[INFO] [stderr]    Compiling pam-sys v1.0.0-alpha2
[INFO] [stderr]     Checking pam-client v0.3.0
[INFO] [stderr]     Checking rudo v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/command.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     value: Vec<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/command.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     value: Vec<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/config.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn update(mut self, matches: &ArgMatches) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_conf`
[INFO] [stdout]   --> src/config.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn init_conf(path: &PathBuf) -> Result<Config, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/config.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/config.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn update(mut self, matches: &ArgMatches) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_conf`
[INFO] [stdout]   --> src/config.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn init_conf(path: &PathBuf) -> Result<Config, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "e01a7779440e6f72e8578274e7266553b08b7f47a7453f6878ca1154043da99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01a7779440e6f72e8578274e7266553b08b7f47a7453f6878ca1154043da99d", kill_on_drop: false }`
[INFO] [stdout] e01a7779440e6f72e8578274e7266553b08b7f47a7453f6878ca1154043da99d