[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 1.60.0 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 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/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53d6c2836a51d67f2aad22216283ca7f4100a3c93c7ffff926964e3d6e8ccb12
[INFO] running `Command { std: "docker" "start" "-a" "53d6c2836a51d67f2aad22216283ca7f4100a3c93c7ffff926964e3d6e8ccb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53d6c2836a51d67f2aad22216283ca7f4100a3c93c7ffff926964e3d6e8ccb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d6c2836a51d67f2aad22216283ca7f4100a3c93c7ffff926964e3d6e8ccb12", kill_on_drop: false }`
[INFO] [stdout] 53d6c2836a51d67f2aad22216283ca7f4100a3c93c7ffff926964e3d6e8ccb12
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a83fe5d143ca6287d95d87834d21e6b3a5b706f7a0e0f60814e401f30930a5
[INFO] running `Command { std: "docker" "start" "-a" "e4a83fe5d143ca6287d95d87834d21e6b3a5b706f7a0e0f60814e401f30930a5", kill_on_drop: false }`
[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 2.66s
[INFO] running `Command { std: "docker" "inspect" "e4a83fe5d143ca6287d95d87834d21e6b3a5b706f7a0e0f60814e401f30930a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a83fe5d143ca6287d95d87834d21e6b3a5b706f7a0e0f60814e401f30930a5", kill_on_drop: false }`
[INFO] [stdout] e4a83fe5d143ca6287d95d87834d21e6b3a5b706f7a0e0f60814e401f30930a5
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e85010004d545c237821b65ebb1006fc646277c0a0122cd0c965f550d992bff1
[INFO] running `Command { std: "docker" "start" "-a" "e85010004d545c237821b65ebb1006fc646277c0a0122cd0c965f550d992bff1", kill_on_drop: false }`
[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] [stderr]    Compiling stabacus v0.1.0 (/opt/rustwide/workdir)
[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 0.37s
[INFO] running `Command { std: "docker" "inspect" "e85010004d545c237821b65ebb1006fc646277c0a0122cd0c965f550d992bff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85010004d545c237821b65ebb1006fc646277c0a0122cd0c965f550d992bff1", kill_on_drop: false }`
[INFO] [stdout] e85010004d545c237821b65ebb1006fc646277c0a0122cd0c965f550d992bff1
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08386116d2f9ebb4754bffcda0002f607f3861f91cb4617558f32d53249d4023
[INFO] running `Command { std: "docker" "start" "-a" "08386116d2f9ebb4754bffcda0002f607f3861f91cb4617558f32d53249d4023", 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 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stabacus-fe592445cbc13306)
[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" "08386116d2f9ebb4754bffcda0002f607f3861f91cb4617558f32d53249d4023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08386116d2f9ebb4754bffcda0002f607f3861f91cb4617558f32d53249d4023", kill_on_drop: false }`
[INFO] [stdout] 08386116d2f9ebb4754bffcda0002f607f3861f91cb4617558f32d53249d4023