[INFO] cloning repository https://github.com/izflare/strlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/izflare/strlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 135a5388ed3d4930fe79a228bb97f0068e209eae
[INFO] testing izflare/strlib against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izflare/strlib on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/izflare/strlib
[INFO] finished tweaking git repo https://github.com/izflare/strlib
[INFO] tweaked toml for git repo https://github.com/izflare/strlib written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/izflare/strlib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31c551c826abf297d3bf751bf107a867b7e5c9d6da117351c7fe0824e6a7df4f
[INFO] running `Command { std: "docker" "start" "-a" "31c551c826abf297d3bf751bf107a867b7e5c9d6da117351c7fe0824e6a7df4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c551c826abf297d3bf751bf107a867b7e5c9d6da117351c7fe0824e6a7df4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c551c826abf297d3bf751bf107a867b7e5c9d6da117351c7fe0824e6a7df4f", kill_on_drop: false }`
[INFO] [stdout] 31c551c826abf297d3bf751bf107a867b7e5c9d6da117351c7fe0824e6a7df4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d6dc91496bc4e9a29e9eca1eaa4580a3864fc0d3c3637608a8098124f6a88b3
[INFO] running `Command { std: "docker" "start" "-a" "5d6dc91496bc4e9a29e9eca1eaa4580a3864fc0d3c3637608a8098124f6a88b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling strlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/mtf/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         val: T, 
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mtf/mod.rs:8:14
[INFO] [stdout]    |
[INFO] [stdout] 8  |     #[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 1.99s
[INFO] running `Command { std: "docker" "inspect" "5d6dc91496bc4e9a29e9eca1eaa4580a3864fc0d3c3637608a8098124f6a88b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6dc91496bc4e9a29e9eca1eaa4580a3864fc0d3c3637608a8098124f6a88b3", kill_on_drop: false }`
[INFO] [stdout] 5d6dc91496bc4e9a29e9eca1eaa4580a3864fc0d3c3637608a8098124f6a88b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a24b7b1d7852bf769b1d067e8cc8d69c62cbb0b2145654126cd359ad444189bb
[INFO] running `Command { std: "docker" "start" "-a" "a24b7b1d7852bf769b1d067e8cc8d69c62cbb0b2145654126cd359ad444189bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling strlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/mtf/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         val: T, 
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mtf/mod.rs:8:14
[INFO] [stdout]    |
[INFO] [stdout] 8  |     #[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] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/mtf/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         val: T, 
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mtf/mod.rs:8:14
[INFO] [stdout]    |
[INFO] [stdout] 8  |     #[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "a24b7b1d7852bf769b1d067e8cc8d69c62cbb0b2145654126cd359ad444189bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24b7b1d7852bf769b1d067e8cc8d69c62cbb0b2145654126cd359ad444189bb", kill_on_drop: false }`
[INFO] [stdout] a24b7b1d7852bf769b1d067e8cc8d69c62cbb0b2145654126cd359ad444189bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faeabcd6e4df041f316d7503e7c540971c541454c480be62b879b57c61273fa2
[INFO] running `Command { std: "docker" "start" "-a" "faeabcd6e4df041f316d7503e7c540971c541454c480be62b879b57c61273fa2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stderr]   --> src/mtf/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         val: T, 
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mtf/mod.rs:8:14
[INFO] [stderr]    |
[INFO] [stderr] 8  |     #[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: `strlib` (lib) generated 1 warning
[INFO] [stderr] warning: `strlib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strlib-bd033cb1da69dd02)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strlib-63466e9270a94cc9)
[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 strlib
[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] [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" "faeabcd6e4df041f316d7503e7c540971c541454c480be62b879b57c61273fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faeabcd6e4df041f316d7503e7c540971c541454c480be62b879b57c61273fa2", kill_on_drop: false }`
[INFO] [stdout] faeabcd6e4df041f316d7503e7c540971c541454c480be62b879b57c61273fa2