[INFO] cloning repository https://github.com/mkusaka/rpncalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkusaka/rpncalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkusaka%2Frpncalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkusaka%2Frpncalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de81c6256c25a5d2619619e5cbfe04068e7d543d
[INFO] testing mkusaka/rpncalc against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkusaka%2Frpncalc" "/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/mkusaka/rpncalc on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkusaka/rpncalc
[INFO] finished tweaking git repo https://github.com/mkusaka/rpncalc
[INFO] tweaked toml for git repo https://github.com/mkusaka/rpncalc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mkusaka/rpncalc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded clap v3.0.0-beta.2
[INFO] [stderr]   Downloaded os_str_bytes v2.3.2
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.2
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] e1f1ddf305f7badc8c83c484a03dccf4d7a8f5f495b4d86ad01f92e4725a60f4
[INFO] running `Command { std: "docker" "start" "-a" "e1f1ddf305f7badc8c83c484a03dccf4d7a8f5f495b4d86ad01f92e4725a60f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1f1ddf305f7badc8c83c484a03dccf4d7a8f5f495b4d86ad01f92e4725a60f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f1ddf305f7badc8c83c484a03dccf4d7a8f5f495b4d86ad01f92e4725a60f4", kill_on_drop: false }`
[INFO] [stdout] e1f1ddf305f7badc8c83c484a03dccf4d7a8f5f495b4d86ad01f92e4725a60f4
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 741ef3516622a9d1a57b0e93d347e7855e6679321d6840698d12df5d11c78695
[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" "741ef3516622a9d1a57b0e93d347e7855e6679321d6840698d12df5d11c78695", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling rpncalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/main.rs:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn run<R: BufRead>(reader: R, verbose: bool) {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.01s
[INFO] running `Command { std: "docker" "inspect" "741ef3516622a9d1a57b0e93d347e7855e6679321d6840698d12df5d11c78695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741ef3516622a9d1a57b0e93d347e7855e6679321d6840698d12df5d11c78695", kill_on_drop: false }`
[INFO] [stdout] 741ef3516622a9d1a57b0e93d347e7855e6679321d6840698d12df5d11c78695
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acc0d34abe766a26f8c013532f8759d395de312e10a5642564745a56860aca80
[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" "acc0d34abe766a26f8c013532f8759d395de312e10a5642564745a56860aca80", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpncalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/main.rs:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn run<R: BufRead>(reader: R, verbose: bool) {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "acc0d34abe766a26f8c013532f8759d395de312e10a5642564745a56860aca80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc0d34abe766a26f8c013532f8759d395de312e10a5642564745a56860aca80", kill_on_drop: false }`
[INFO] [stdout] acc0d34abe766a26f8c013532f8759d395de312e10a5642564745a56860aca80
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 4b18e8863701c7d4741432d8e14eadd26e9540cfca3bd8bcdb2f9e2ee1fd634b
[INFO] running `Command { std: "docker" "start" "-a" "4b18e8863701c7d4741432d8e14eadd26e9540cfca3bd8bcdb2f9e2ee1fd634b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `verbose`
[INFO] [stderr]   --> src/main.rs:37:31
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn run<R: BufRead>(reader: R, verbose: bool) {
[INFO] [stderr]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rpncalc-6160b704916660f8
[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" "4b18e8863701c7d4741432d8e14eadd26e9540cfca3bd8bcdb2f9e2ee1fd634b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b18e8863701c7d4741432d8e14eadd26e9540cfca3bd8bcdb2f9e2ee1fd634b", kill_on_drop: false }`
[INFO] [stdout] 4b18e8863701c7d4741432d8e14eadd26e9540cfca3bd8bcdb2f9e2ee1fd634b