[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 master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkusaka%2Frpncalc" "/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/mkusaka/rpncalc on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0506efde6900f41c94a67ec9ae7ec03df620a139a4d44be2064eed6f13526df
[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" "e0506efde6900f41c94a67ec9ae7ec03df620a139a4d44be2064eed6f13526df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0506efde6900f41c94a67ec9ae7ec03df620a139a4d44be2064eed6f13526df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0506efde6900f41c94a67ec9ae7ec03df620a139a4d44be2064eed6f13526df", kill_on_drop: false }`
[INFO] [stdout] e0506efde6900f41c94a67ec9ae7ec03df620a139a4d44be2064eed6f13526df
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 423a39e541279450ec34b1d838790cec13b914d2d910b347533bc9ff11536740
[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" "423a39e541279450ec34b1d838790cec13b914d2d910b347533bc9ff11536740", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling textwrap v0.12.1
[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 quote v1.0.7
[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 27.40s
[INFO] running `Command { std: "docker" "inspect" "423a39e541279450ec34b1d838790cec13b914d2d910b347533bc9ff11536740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423a39e541279450ec34b1d838790cec13b914d2d910b347533bc9ff11536740", kill_on_drop: false }`
[INFO] [stdout] 423a39e541279450ec34b1d838790cec13b914d2d910b347533bc9ff11536740
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--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] 99123389e33213a8650d7a23e5b3d1a1ac9643d1334f3c586dc139128344ba8b
[INFO] running `Command { std: "docker" "start" "-a" "99123389e33213a8650d7a23e5b3d1a1ac9643d1334f3c586dc139128344ba8b", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "99123389e33213a8650d7a23e5b3d1a1ac9643d1334f3c586dc139128344ba8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99123389e33213a8650d7a23e5b3d1a1ac9643d1334f3c586dc139128344ba8b", kill_on_drop: false }`
[INFO] [stdout] 99123389e33213a8650d7a23e5b3d1a1ac9643d1334f3c586dc139128344ba8b
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dffffaf10af87bc748cb0c18f53be8ea24732a9272c537f7d20eb427f1541ad5
[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" "dffffaf10af87bc748cb0c18f53be8ea24732a9272c537f7d20eb427f1541ad5", 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 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpncalc-b438c012d93b6782)
[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" "dffffaf10af87bc748cb0c18f53be8ea24732a9272c537f7d20eb427f1541ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffffaf10af87bc748cb0c18f53be8ea24732a9272c537f7d20eb427f1541ad5", kill_on_drop: false }`
[INFO] [stdout] dffffaf10af87bc748cb0c18f53be8ea24732a9272c537f7d20eb427f1541ad5