[INFO] cloning repository https://github.com/ben-cottrell-nz/tree-command-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ben-cottrell-nz/tree-command-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-cottrell-nz%2Ftree-command-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-cottrell-nz%2Ftree-command-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce401650fc9dad9824f5dfca65b4a75bb23ad1fd
[INFO] testing ben-cottrell-nz/tree-command-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-cottrell-nz%2Ftree-command-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ben-cottrell-nz/tree-command-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ben-cottrell-nz/tree-command-rust
[INFO] finished tweaking git repo https://github.com/ben-cottrell-nz/tree-command-rust
[INFO] tweaked toml for git repo https://github.com/ben-cottrell-nz/tree-command-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ben-cottrell-nz/tree-command-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94241c85d3dcc1084be2c3d6ddfda374d540436cdf258726577077b92eff0e94
[INFO] running `Command { std: "docker" "start" "-a" "94241c85d3dcc1084be2c3d6ddfda374d540436cdf258726577077b92eff0e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94241c85d3dcc1084be2c3d6ddfda374d540436cdf258726577077b92eff0e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94241c85d3dcc1084be2c3d6ddfda374d540436cdf258726577077b92eff0e94", kill_on_drop: false }`
[INFO] [stdout] 94241c85d3dcc1084be2c3d6ddfda374d540436cdf258726577077b92eff0e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0bdd09859e002e0e1b5b2e323be95a003cbf3d9f61e05dfe3f765299a50a012
[INFO] running `Command { std: "docker" "start" "-a" "c0bdd09859e002e0e1b5b2e323be95a003cbf3d9f61e05dfe3f765299a50a012", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-command v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry`, `FileType`, `self`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{self, DirEntry, FileType};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for i in 0.._depth {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 for i in 0.._depth {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BRANCH_SEP` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let BRANCH_SEP = "-";
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `branch_sep`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `OPEN_SEP` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let OPEN_SEP = "+";
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `open_sep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SPACE_SEP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let SPACE_SEP = "  ";
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `space_sep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "c0bdd09859e002e0e1b5b2e323be95a003cbf3d9f61e05dfe3f765299a50a012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bdd09859e002e0e1b5b2e323be95a003cbf3d9f61e05dfe3f765299a50a012", kill_on_drop: false }`
[INFO] [stdout] c0bdd09859e002e0e1b5b2e323be95a003cbf3d9f61e05dfe3f765299a50a012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc3f43482b73fdb31be9074959160d9b29c779501af14e68c7e9457ad87948e1
[INFO] running `Command { std: "docker" "start" "-a" "cc3f43482b73fdb31be9074959160d9b29c779501af14e68c7e9457ad87948e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-command v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry`, `FileType`, `self`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{self, DirEntry, FileType};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for i in 0.._depth {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 for i in 0.._depth {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BRANCH_SEP` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let BRANCH_SEP = "-";
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `branch_sep`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `OPEN_SEP` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let OPEN_SEP = "+";
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `open_sep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SPACE_SEP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let SPACE_SEP = "  ";
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `space_sep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tree_command-154ad97c0af48197)
[INFO] running `Command { std: "docker" "inspect" "cc3f43482b73fdb31be9074959160d9b29c779501af14e68c7e9457ad87948e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3f43482b73fdb31be9074959160d9b29c779501af14e68c7e9457ad87948e1", kill_on_drop: false }`
[INFO] [stdout] cc3f43482b73fdb31be9074959160d9b29c779501af14e68c7e9457ad87948e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0d72147069f095b8a955797823ea28aeace6832d3a48f5b5705e75d7ada6684
[INFO] running `Command { std: "docker" "start" "-a" "f0d72147069f095b8a955797823ea28aeace6832d3a48f5b5705e75d7ada6684", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DirEntry`, `FileType`, `self`
[INFO] [stderr]  --> src/main.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::{self, DirEntry, FileType};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for i in 0.._depth {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 for i in 0.._depth {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `BRANCH_SEP` should have a snake case name
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let BRANCH_SEP = "-";
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `branch_sep`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `OPEN_SEP` should have a snake case name
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let OPEN_SEP = "+";
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `open_sep`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SPACE_SEP` should have a snake case name
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let SPACE_SEP = "  ";
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `space_sep`
[INFO] [stderr] 
[INFO] [stderr] warning: `tree-command` (bin "tree-command" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tree_command-154ad97c0af48197)
[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" "f0d72147069f095b8a955797823ea28aeace6832d3a48f5b5705e75d7ada6684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d72147069f095b8a955797823ea28aeace6832d3a48f5b5705e75d7ada6684", kill_on_drop: false }`
[INFO] [stdout] f0d72147069f095b8a955797823ea28aeace6832d3a48f5b5705e75d7ada6684