[INFO] cloning repository https://github.com/sungwooHa/rust_util_linux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sungwooHa/rust_util_linux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsungwooHa%2Frust_util_linux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsungwooHa%2Frust_util_linux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7737e0659825dd2e480296b1cdca9ac4cc01c02c
[INFO] testing sungwooHa/rust_util_linux against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsungwooHa%2Frust_util_linux" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sungwooHa/rust_util_linux on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sungwooHa/rust_util_linux
[INFO] finished tweaking git repo https://github.com/sungwooHa/rust_util_linux
[INFO] tweaked toml for git repo https://github.com/sungwooHa/rust_util_linux written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sungwooHa/rust_util_linux 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded term_size v0.3.2
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[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded mio v0.8.5
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[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded pancurses v0.17.0
[INFO] [stderr]   Downloaded pkg-config v0.3.26
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
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[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
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[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
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[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded windows-sys v0.42.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6306d8b5578dc4621942a926913f6841ee4d360faaf32a0fb9f6ee04821da929
[INFO] running `Command { std: "docker" "start" "-a" "6306d8b5578dc4621942a926913f6841ee4d360faaf32a0fb9f6ee04821da929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6306d8b5578dc4621942a926913f6841ee4d360faaf32a0fb9f6ee04821da929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6306d8b5578dc4621942a926913f6841ee4d360faaf32a0fb9f6ee04821da929", kill_on_drop: false }`
[INFO] [stdout] 6306d8b5578dc4621942a926913f6841ee4d360faaf32a0fb9f6ee04821da929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd51908986ed20ca3a2595866c3465a504111b8ae13a2d45bc3bfae97693603
[INFO] running `Command { std: "docker" "start" "-a" "4fd51908986ed20ca3a2595866c3465a504111b8ae13a2d45bc3bfae97693603", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling pancurses v0.17.0
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling util-linux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Input`, `endwin`, and `initscr`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pancurses::{endwin, initscr, Input};
[INFO] [stdout]   |                 ^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::{self, File, read};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `stdin`, and `stdout`
[INFO] [stdout]  --> src/main.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufRead, BufReader, stdin, Read, stdout};
[INFO] [stdout]   |                                   ^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{env, io};
[INFO] [stdout]   |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/main.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if let Some((w, h)) = term_size::dimensions() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn read_file(path: String) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "4fd51908986ed20ca3a2595866c3465a504111b8ae13a2d45bc3bfae97693603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd51908986ed20ca3a2595866c3465a504111b8ae13a2d45bc3bfae97693603", kill_on_drop: false }`
[INFO] [stdout] 4fd51908986ed20ca3a2595866c3465a504111b8ae13a2d45bc3bfae97693603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b6bb267d4a4495420d4ca48bc9cb743a3731fd9d37424deda01ac971804302
[INFO] running `Command { std: "docker" "start" "-a" "81b6bb267d4a4495420d4ca48bc9cb743a3731fd9d37424deda01ac971804302", kill_on_drop: false }`
[INFO] [stderr]    Compiling util-linux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Input`, `endwin`, and `initscr`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pancurses::{endwin, initscr, Input};
[INFO] [stdout]   |                 ^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::{self, File, read};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `stdin`, and `stdout`
[INFO] [stdout]  --> src/main.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufRead, BufReader, stdin, Read, stdout};
[INFO] [stdout]   |                                   ^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{env, io};
[INFO] [stdout]   |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/main.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if let Some((w, h)) = term_size::dimensions() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn read_file(path: String) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "81b6bb267d4a4495420d4ca48bc9cb743a3731fd9d37424deda01ac971804302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b6bb267d4a4495420d4ca48bc9cb743a3731fd9d37424deda01ac971804302", kill_on_drop: false }`
[INFO] [stdout] 81b6bb267d4a4495420d4ca48bc9cb743a3731fd9d37424deda01ac971804302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b070d52bd52f74a94783152ce700307424766e750752375dee803f9389e31d7d
[INFO] running `Command { std: "docker" "start" "-a" "b070d52bd52f74a94783152ce700307424766e750752375dee803f9389e31d7d", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Input`, `endwin`, and `initscr`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use pancurses::{endwin, initscr, Input};
[INFO] [stderr]   |                 ^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `read`
[INFO] [stderr]  --> src/main.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::{self, File, read};
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `stdin`, and `stdout`
[INFO] [stderr]  --> src/main.rs:7:35
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufRead, BufReader, stdin, Read, stdout};
[INFO] [stderr]   |                                   ^^^^^  ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/main.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{env, io};
[INFO] [stderr]   |                ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/main.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |     if let Some((w, h)) = term_size::dimensions() {
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file` is never used
[INFO] [stderr]   --> src/main.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn read_file(path: String) -> Result<String, std::io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `util-linux` (bin "util-linux" test) generated 7 warnings (run `cargo fix --bin "util-linux" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/util_linux-bd8dc63de7ea57b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/util_linux-17e2f1251b973a5c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests util_linux
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b070d52bd52f74a94783152ce700307424766e750752375dee803f9389e31d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b070d52bd52f74a94783152ce700307424766e750752375dee803f9389e31d7d", kill_on_drop: false }`
[INFO] [stdout] b070d52bd52f74a94783152ce700307424766e750752375dee803f9389e31d7d