[INFO] cloning repository https://github.com/brianduff/gitstats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brianduff/gitstats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianduff%2Fgitstats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianduff%2Fgitstats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e12007d8faec7130d3a0a898d981b5aff337b82
[INFO] testing brianduff/gitstats 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%2Fbrianduff%2Fgitstats" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brianduff/gitstats 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/brianduff/gitstats
[INFO] finished tweaking git repo https://github.com/brianduff/gitstats
[INFO] tweaked toml for git repo https://github.com/brianduff/gitstats written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/brianduff/gitstats 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] c7659458d99c7b26946de4b05bc9588f88c16be673a560d680be662e87bf0e8e
[INFO] running `Command { std: "docker" "start" "-a" "c7659458d99c7b26946de4b05bc9588f88c16be673a560d680be662e87bf0e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7659458d99c7b26946de4b05bc9588f88c16be673a560d680be662e87bf0e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7659458d99c7b26946de4b05bc9588f88c16be673a560d680be662e87bf0e8e", kill_on_drop: false }`
[INFO] [stdout] c7659458d99c7b26946de4b05bc9588f88c16be673a560d680be662e87bf0e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] a36fcfa0ec13767e8c6ed6f4e2ccf606b7283280c0f83b25fe3d1feaac866a83
[INFO] running `Command { std: "docker" "start" "-a" "a36fcfa0ec13767e8c6ed6f4e2ccf606b7283280c0f83b25fe3d1feaac866a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]    Compiling git2 v0.13.23
[INFO] [stderr]    Compiling gitstats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Commit`, `Object`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use git2::{Commit, Object, ObjectType, Oid, Repository, Tree};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_tree` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 |   let mut last_tree: Option<Tree> = None;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_last_tree` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_tree` is never read
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         last_tree = Some(tree);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 |   for r in rx.iter().take(count) {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `when`
[INFO] [stdout]    --> src/main.rs:134:3
[INFO] [stdout]     |
[INFO] [stdout] 134 |   when: NaiveDateTime,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `summary`
[INFO] [stdout]    --> src/main.rs:135:3
[INFO] [stdout]     |
[INFO] [stdout] 135 |   summary: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `author`
[INFO] [stdout]    --> src/main.rs:136:3
[INFO] [stdout]     |
[INFO] [stdout] 136 |   author: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "a36fcfa0ec13767e8c6ed6f4e2ccf606b7283280c0f83b25fe3d1feaac866a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36fcfa0ec13767e8c6ed6f4e2ccf606b7283280c0f83b25fe3d1feaac866a83", kill_on_drop: false }`
[INFO] [stdout] a36fcfa0ec13767e8c6ed6f4e2ccf606b7283280c0f83b25fe3d1feaac866a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 273fc9ddde34bd339a21345a2d2d51c25b4b4fd3ef70553e7e18de2bd83af3e9
[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" "273fc9ddde34bd339a21345a2d2d51c25b4b4fd3ef70553e7e18de2bd83af3e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gitstats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Commit`, `Object`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use git2::{Commit, Object, ObjectType, Oid, Repository, Tree};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_tree` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 |   let mut last_tree: Option<Tree> = None;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_last_tree` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_tree` is never read
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         last_tree = Some(tree);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 |   for r in rx.iter().take(count) {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `when`
[INFO] [stdout]    --> src/main.rs:134:3
[INFO] [stdout]     |
[INFO] [stdout] 134 |   when: NaiveDateTime,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `summary`
[INFO] [stdout]    --> src/main.rs:135:3
[INFO] [stdout]     |
[INFO] [stdout] 135 |   summary: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `author`
[INFO] [stdout]    --> src/main.rs:136:3
[INFO] [stdout]     |
[INFO] [stdout] 136 |   author: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 48.13s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/gitstats-3325b8d50ce29c20)
[INFO] running `Command { std: "docker" "inspect" "273fc9ddde34bd339a21345a2d2d51c25b4b4fd3ef70553e7e18de2bd83af3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273fc9ddde34bd339a21345a2d2d51c25b4b4fd3ef70553e7e18de2bd83af3e9", kill_on_drop: false }`
[INFO] [stdout] 273fc9ddde34bd339a21345a2d2d51c25b4b4fd3ef70553e7e18de2bd83af3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] a9d4baa09e50ef2684f22c03c0a1f70e88782c5969225ec3d0d99cd54e82f912
[INFO] running `Command { std: "docker" "start" "-a" "a9d4baa09e50ef2684f22c03c0a1f70e88782c5969225ec3d0d99cd54e82f912", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Commit`, `Object`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:3:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 | use git2::{Commit, Object, ObjectType, Oid, Repository, Tree};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |            ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `last_tree` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:29:11
[INFO] [stderr]    |
[INFO] [stderr] 29 |   let mut last_tree: Option<Tree> = None;
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_last_tree` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_tree` is never read
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         last_tree = Some(tree);
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:100:7
[INFO] [stderr]     |
[INFO] [stderr] 100 |   for r in rx.iter().take(count) {
[INFO] [stderr]     |       ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `when`
[INFO] [stderr]    --> src/main.rs:134:3
[INFO] [stderr]     |
[INFO] [stderr] 134 |   when: NaiveDateTime,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `summary`
[INFO] [stderr]    --> src/main.rs:135:3
[INFO] [stderr]     |
[INFO] [stderr] 135 |   summary: String,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `author`
[INFO] [stderr]    --> src/main.rs:136:3
[INFO] [stderr]     |
[INFO] [stderr] 136 |   author: String,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gitstats` (bin "gitstats" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gitstats-3325b8d50ce29c20)
[INFO] running `Command { std: "docker" "inspect" "a9d4baa09e50ef2684f22c03c0a1f70e88782c5969225ec3d0d99cd54e82f912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d4baa09e50ef2684f22c03c0a1f70e88782c5969225ec3d0d99cd54e82f912", kill_on_drop: false }`
[INFO] [stdout] a9d4baa09e50ef2684f22c03c0a1f70e88782c5969225ec3d0d99cd54e82f912