[INFO] cloning repository https://github.com/madkous/rpncalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madkous/rpncalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadkous%2Frpncalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadkous%2Frpncalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dd7f461b39a0394720349a52d123c402d33b365
[INFO] testing madkous/rpncalc 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%2Fmadkous%2Frpncalc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madkous/rpncalc 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/madkous/rpncalc
[INFO] finished tweaking git repo https://github.com/madkous/rpncalc
[INFO] tweaked toml for git repo https://github.com/madkous/rpncalc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/madkous/rpncalc 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a17c937d157db154285cac52e8d996611289d135f29f5ebfbe14630ec467894
[INFO] running `Command { std: "docker" "start" "-a" "6a17c937d157db154285cac52e8d996611289d135f29f5ebfbe14630ec467894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a17c937d157db154285cac52e8d996611289d135f29f5ebfbe14630ec467894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a17c937d157db154285cac52e8d996611289d135f29f5ebfbe14630ec467894", kill_on_drop: false }`
[INFO] [stdout] 6a17c937d157db154285cac52e8d996611289d135f29f5ebfbe14630ec467894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 391a5556ca18f2760f72ab6f3d6c5f1b878a3f21f7e15b8afbacbec25b3ba22c
[INFO] running `Command { std: "docker" "start" "-a" "391a5556ca18f2760f72ab6f3d6c5f1b878a3f21f7e15b8afbacbec25b3ba22c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stablib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stdout] warning: unused import: `command::*`
[INFO] [stdout]   --> lib/src/stack.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use command::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> lib/src/operator.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout]    |              ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout] 27 + type Sfunc = fn(&[Entry]) -> Vec<Entry>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `runtime::*`
[INFO] [stdout]   --> lib/src/command.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use runtime::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stabacus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `t_head`
[INFO] [stdout]   --> src/drawer.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     t_head: &'static str, b_head: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b_head`
[INFO] [stdout]   --> src/drawer.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     t_head: &'static str, b_head: &'static str,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this arithmetic operation will overflow
[INFO] [stdout]   --> src/main.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let y = x - 10;
[INFO] [stdout]    |             ^^^^^^ attempt to compute `5_u16 - 10_u16`, which would overflow
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "391a5556ca18f2760f72ab6f3d6c5f1b878a3f21f7e15b8afbacbec25b3ba22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391a5556ca18f2760f72ab6f3d6c5f1b878a3f21f7e15b8afbacbec25b3ba22c", kill_on_drop: false }`
[INFO] [stdout] 391a5556ca18f2760f72ab6f3d6c5f1b878a3f21f7e15b8afbacbec25b3ba22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95bd06b296625a9fd6b90118973c3eb8c689c7a15266676c0484e4747bc3444d
[INFO] running `Command { std: "docker" "start" "-a" "95bd06b296625a9fd6b90118973c3eb8c689c7a15266676c0484e4747bc3444d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stabacus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `command::*`
[INFO] [stdout]   --> lib/src/stack.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use command::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> lib/src/operator.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout]    |              ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout] 27 + type Sfunc = fn(&[Entry]) -> Vec<Entry>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `runtime::*`
[INFO] [stdout]   --> lib/src/command.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use runtime::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t_head`
[INFO] [stdout]   --> src/drawer.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     t_head: &'static str, b_head: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b_head`
[INFO] [stdout]   --> src/drawer.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     t_head: &'static str, b_head: &'static str,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/stabacus-1ed7b725d0b98b3f)
[INFO] running `Command { std: "docker" "inspect" "95bd06b296625a9fd6b90118973c3eb8c689c7a15266676c0484e4747bc3444d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95bd06b296625a9fd6b90118973c3eb8c689c7a15266676c0484e4747bc3444d", kill_on_drop: false }`
[INFO] [stdout] 95bd06b296625a9fd6b90118973c3eb8c689c7a15266676c0484e4747bc3444d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5e11f3fc987ca79ad3e7a6858bcbe9e1f349da199177d783be46dc435d90f60
[INFO] running `Command { std: "docker" "start" "-a" "b5e11f3fc987ca79ad3e7a6858bcbe9e1f349da199177d783be46dc435d90f60", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `command::*`
[INFO] [stderr]   --> lib/src/stack.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use command::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> lib/src/operator.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 | type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stderr]    |              ^                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 - type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stderr] 27 + type Sfunc = fn(&[Entry]) -> Vec<Entry>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `runtime::*`
[INFO] [stderr]   --> lib/src/command.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use runtime::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stablib` (lib) generated 3 warnings
[INFO] [stderr] warning: field is never read: `t_head`
[INFO] [stderr]   --> src/drawer.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     t_head: &'static str, b_head: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b_head`
[INFO] [stderr]   --> src/drawer.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     t_head: &'static str, b_head: &'static str,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stabacus` (bin "stabacus" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stabacus-1ed7b725d0b98b3f)
[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" "b5e11f3fc987ca79ad3e7a6858bcbe9e1f349da199177d783be46dc435d90f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e11f3fc987ca79ad3e7a6858bcbe9e1f349da199177d783be46dc435d90f60", kill_on_drop: false }`
[INFO] [stdout] b5e11f3fc987ca79ad3e7a6858bcbe9e1f349da199177d783be46dc435d90f60