[INFO] cloning repository https://github.com/shepmaster/mini-crater
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shepmaster/mini-crater" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fmini-crater", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fmini-crater'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8cb6223f9aa8b09b9e53626c13edc5f9d4cd35d
[INFO] testing shepmaster/mini-crater 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%2Fshepmaster%2Fmini-crater" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shepmaster/mini-crater 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/shepmaster/mini-crater
[INFO] finished tweaking git repo https://github.com/shepmaster/mini-crater
[INFO] tweaked toml for git repo https://github.com/shepmaster/mini-crater written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/shepmaster/mini-crater 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 68a792dc742d80695defbfe87e6734afde60dce6a8edeee266d5b33242298955
[INFO] running `Command { std: "docker" "start" "-a" "68a792dc742d80695defbfe87e6734afde60dce6a8edeee266d5b33242298955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a792dc742d80695defbfe87e6734afde60dce6a8edeee266d5b33242298955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a792dc742d80695defbfe87e6734afde60dce6a8edeee266d5b33242298955", kill_on_drop: false }`
[INFO] [stdout] 68a792dc742d80695defbfe87e6734afde60dce6a8edeee266d5b33242298955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] bf13a49ea2afbdbb269644cbc7e1a5e7b7627615938491053924080b3253d448
[INFO] running `Command { std: "docker" "start" "-a" "bf13a49ea2afbdbb269644cbc7e1a5e7b7627615938491053924080b3253d448", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.17
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling mini-crater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `downloads`
[INFO] [stdout]    --> src/main.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     downloads: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `NameAndDownloadCount` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:268:10
[INFO] [stdout]     |
[INFO] [stdout] 268 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.60s
[INFO] running `Command { std: "docker" "inspect" "bf13a49ea2afbdbb269644cbc7e1a5e7b7627615938491053924080b3253d448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf13a49ea2afbdbb269644cbc7e1a5e7b7627615938491053924080b3253d448", kill_on_drop: false }`
[INFO] [stdout] bf13a49ea2afbdbb269644cbc7e1a5e7b7627615938491053924080b3253d448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1afdc33faf61fb00ce7352d053694b4ceeee9ad7c274c4474f0aa11886753e63
[INFO] running `Command { std: "docker" "start" "-a" "1afdc33faf61fb00ce7352d053694b4ceeee9ad7c274c4474f0aa11886753e63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mini-crater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `downloads`
[INFO] [stdout]    --> src/main.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     downloads: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `NameAndDownloadCount` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:268:10
[INFO] [stdout]     |
[INFO] [stdout] 268 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mini_crater-90e2eb3dfe37275d)
[INFO] running `Command { std: "docker" "inspect" "1afdc33faf61fb00ce7352d053694b4ceeee9ad7c274c4474f0aa11886753e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afdc33faf61fb00ce7352d053694b4ceeee9ad7c274c4474f0aa11886753e63", kill_on_drop: false }`
[INFO] [stdout] 1afdc33faf61fb00ce7352d053694b4ceeee9ad7c274c4474f0aa11886753e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 2ab0fd2b716c8b4786f0dfb207543a1eec1505638ff15bde84e6033fe7e0a22f
[INFO] running `Command { std: "docker" "start" "-a" "2ab0fd2b716c8b4786f0dfb207543a1eec1505638ff15bde84e6033fe7e0a22f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `downloads`
[INFO] [stderr]    --> src/main.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     downloads: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `NameAndDownloadCount` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:268:10
[INFO] [stderr]     |
[INFO] [stderr] 268 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-crater` (bin "mini-crater" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mini_crater-90e2eb3dfe37275d)
[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" "2ab0fd2b716c8b4786f0dfb207543a1eec1505638ff15bde84e6033fe7e0a22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab0fd2b716c8b4786f0dfb207543a1eec1505638ff15bde84e6033fe7e0a22f", kill_on_drop: false }`
[INFO] [stdout] 2ab0fd2b716c8b4786f0dfb207543a1eec1505638ff15bde84e6033fe7e0a22f