[INFO] cloning repository https://github.com/0xd34b33f/ssh_pinger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xd34b33f/ssh_pinger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xd34b33f%2Fssh_pinger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xd34b33f%2Fssh_pinger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 14ce7ba6dee907496e766914e23f4856e816429b [INFO] checking 0xd34b33f/ssh_pinger against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xd34b33f%2Fssh_pinger" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/0xd34b33f/ssh_pinger on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/0xd34b33f/ssh_pinger [INFO] finished tweaking git repo https://github.com/0xd34b33f/ssh_pinger [INFO] tweaked toml for git repo https://github.com/0xd34b33f/ssh_pinger written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/0xd34b33f/ssh_pinger already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee61c273c8d54db3e0b3e1bebd3128826d405c83baa971e307008c7e67c91d3f [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" "ee61c273c8d54db3e0b3e1bebd3128826d405c83baa971e307008c7e67c91d3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee61c273c8d54db3e0b3e1bebd3128826d405c83baa971e307008c7e67c91d3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee61c273c8d54db3e0b3e1bebd3128826d405c83baa971e307008c7e67c91d3f", kill_on_drop: false }` [INFO] [stdout] ee61c273c8d54db3e0b3e1bebd3128826d405c83baa971e307008c7e67c91d3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64a7256da95435afd221c75701afff5d81866e20dc7bd36b5a01edea2d9694c1 [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" "64a7256da95435afd221c75701afff5d81866e20dc7bd36b5a01edea2d9694c1", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libssh2-sys v0.2.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking colored v1.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking workerpool v1.2.0 [INFO] [stderr] Checking fern v0.5.9 [INFO] [stderr] Checking ssh2 v0.5.0 [INFO] [stderr] Checking ssh_pinger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `trace`, `warn` [INFO] [stdout] --> src/main.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{self, BufReader}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ThunkWorker`, `Thunk` [INFO] [stdout] --> src/main.rs:9:25 [INFO] [stdout] | [INFO] [stdout] 9 | use workerpool::thunk::{Thunk, ThunkWorker}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ssh2::CheckResult::Match` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use ssh2::CheckResult::Match; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `trace`, `warn` [INFO] [stdout] --> src/main.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{self, BufReader}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ThunkWorker`, `Thunk` [INFO] [stdout] --> src/main.rs:9:25 [INFO] [stdout] | [INFO] [stdout] 9 | use workerpool::thunk::{Thunk, ThunkWorker}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ssh2::CheckResult::Match` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use ssh2::CheckResult::Match; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let len = hosts.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let len = hosts.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.05s [INFO] running `Command { std: "docker" "inspect" "64a7256da95435afd221c75701afff5d81866e20dc7bd36b5a01edea2d9694c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64a7256da95435afd221c75701afff5d81866e20dc7bd36b5a01edea2d9694c1", kill_on_drop: false }` [INFO] [stdout] 64a7256da95435afd221c75701afff5d81866e20dc7bd36b5a01edea2d9694c1