[INFO] updating cached repository https://github.com/fredlahde/kermit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 520044f50fa25a2e5444d5dbd36fa494dced98af
[INFO] testing fredlahde/kermit against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredlahde%2Fkermit" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredlahde/kermit on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fredlahde/kermit
[INFO] finished tweaking git repo https://github.com/fredlahde/kermit
[INFO] tweaked toml for git repo https://github.com/fredlahde/kermit written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/fredlahde/kermit already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ec0c23f7d6a34b53748f2461873eec4b2d2e8551ffeb685b7175bbd1f297cf6
[INFO] running `"docker" "start" "-a" "0ec0c23f7d6a34b53748f2461873eec4b2d2e8551ffeb685b7175bbd1f297cf6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.27
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling kermit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let args: Vec<String> = env::args().collect();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ComposeRunner`
[INFO] [stderr]  --> src/compose_runner.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct ComposeRunner {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/compose_scanner.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(path: &str) -> ScanResult {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scan`
[INFO] [stderr]   --> src/compose_scanner.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn scan(&self, base_path: &str) -> Result<Vec<ScanResult>, Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_file`
[INFO] [stderr]   --> src/compose_scanner.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn to_file(&self, path: &str, out_file: &str) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_compose_directory`
[INFO] [stderr]   --> src/compose_scanner.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn check_compose_directory(path: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.72s
[INFO] running `"docker" "inspect" "0ec0c23f7d6a34b53748f2461873eec4b2d2e8551ffeb685b7175bbd1f297cf6"`
[INFO] running `"docker" "rm" "-f" "0ec0c23f7d6a34b53748f2461873eec4b2d2e8551ffeb685b7175bbd1f297cf6"`
[INFO] [stdout] 0ec0c23f7d6a34b53748f2461873eec4b2d2e8551ffeb685b7175bbd1f297cf6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf438c2aac853453343d4958327bece1a7e29121862d1ff4645821706cdace9d
[INFO] running `"docker" "start" "-a" "bf438c2aac853453343d4958327bece1a7e29121862d1ff4645821706cdace9d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling kermit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let args: Vec<String> = env::args().collect();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ComposeRunner`
[INFO] [stderr]  --> src/compose_runner.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct ComposeRunner {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/compose_scanner.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(path: &str) -> ScanResult {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scan`
[INFO] [stderr]   --> src/compose_scanner.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn scan(&self, base_path: &str) -> Result<Vec<ScanResult>, Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_file`
[INFO] [stderr]   --> src/compose_scanner.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn to_file(&self, path: &str, out_file: &str) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_compose_directory`
[INFO] [stderr]   --> src/compose_scanner.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn check_compose_directory(path: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "bf438c2aac853453343d4958327bece1a7e29121862d1ff4645821706cdace9d"`
[INFO] running `"docker" "rm" "-f" "bf438c2aac853453343d4958327bece1a7e29121862d1ff4645821706cdace9d"`
[INFO] [stdout] bf438c2aac853453343d4958327bece1a7e29121862d1ff4645821706cdace9d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0de6b69b6d49fb432cbf9d1fa7c928fbc4e1357a58a77f6c1b9e5fe4a920e153
[INFO] running `"docker" "start" "-a" "0de6b69b6d49fb432cbf9d1fa7c928fbc4e1357a58a77f6c1b9e5fe4a920e153"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 16 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ComposeRunner`
[INFO] [stderr]  --> src/compose_runner.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct ComposeRunner {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/compose_scanner.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(path: &str) -> ScanResult {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scan`
[INFO] [stderr]   --> src/compose_scanner.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn scan(&self, base_path: &str) -> Result<Vec<ScanResult>, Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_file`
[INFO] [stderr]   --> src/compose_scanner.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn to_file(&self, path: &str, out_file: &str) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_compose_directory`
[INFO] [stderr]   --> src/compose_scanner.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn check_compose_directory(path: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kermit-0ad2e2f70fce86fb
[INFO] running `"docker" "inspect" "0de6b69b6d49fb432cbf9d1fa7c928fbc4e1357a58a77f6c1b9e5fe4a920e153"`
[INFO] running `"docker" "rm" "-f" "0de6b69b6d49fb432cbf9d1fa7c928fbc4e1357a58a77f6c1b9e5fe4a920e153"`
[INFO] [stdout] 0de6b69b6d49fb432cbf9d1fa7c928fbc4e1357a58a77f6c1b9e5fe4a920e153