[INFO] fetching crate spare 0.0.3...
[INFO] testing spare-0.0.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate spare 0.0.3 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate spare 0.0.3 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 crates.io crate spare 0.0.3
[INFO] finished tweaking crates.io crate spare 0.0.3
[INFO] tweaked toml for crates.io crate spare 0.0.3 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 01639f478a9d025dc79759c4469863042f1a64aed8de186ea1f8984d13181a4d
[INFO] running `Command { std: "docker" "start" "-a" "01639f478a9d025dc79759c4469863042f1a64aed8de186ea1f8984d13181a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01639f478a9d025dc79759c4469863042f1a64aed8de186ea1f8984d13181a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01639f478a9d025dc79759c4469863042f1a64aed8de186ea1f8984d13181a4d", kill_on_drop: false }`
[INFO] [stdout] 01639f478a9d025dc79759c4469863042f1a64aed8de186ea1f8984d13181a4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] a8203989e4bab01634dc1559a3b2a042f4f529172fd6b41074c2a082b1e4fb80
[INFO] running `Command { std: "docker" "start" "-a" "a8203989e4bab01634dc1559a3b2a042f4f529172fd6b41074c2a082b1e4fb80", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling veho v0.0.20
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling texting v0.0.7
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling aryth v0.0.11
[INFO] [stderr]    Compiling palett v0.0.8
[INFO] [stderr]    Compiling spare v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `max_len`
[INFO] [stdout]   --> src/padder/util.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn max_len<T: AsRef<str>>(col: &Vec<T>, ansi: bool) -> usize
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 3m 14s
[INFO] running `Command { std: "docker" "inspect" "a8203989e4bab01634dc1559a3b2a042f4f529172fd6b41074c2a082b1e4fb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8203989e4bab01634dc1559a3b2a042f4f529172fd6b41074c2a082b1e4fb80", kill_on_drop: false }`
[INFO] [stdout] a8203989e4bab01634dc1559a3b2a042f4f529172fd6b41074c2a082b1e4fb80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 2bdca415d9560e438e5939cf10eca44fe2e6868329524202e6bcb7e6aed25e25
[INFO] running `Command { std: "docker" "start" "-a" "2bdca415d9560e438e5939cf10eca44fe2e6868329524202e6bcb7e6aed25e25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: function is never used: `max_len`
[INFO] [stdout]   --> src/padder/util.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn max_len<T: AsRef<str>>(col: &Vec<T>, ansi: bool) -> usize
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling spare v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Formatter`
[INFO] [stdout]  --> tests/alpha/display_to_number_test.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> tests/alpha/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod display_to_number_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseFloatError`
[INFO] [stdout]  --> tests/alpha/display_to_number_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::ParseFloatError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> tests/alpha/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod display_to_number_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/padder/vector.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let vec = init(12, |i| pow(2, i).to_string());
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.90s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/spare-02a2a235880997d1)
[INFO] [stderr]   Executable tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-456076000e91e571)
[INFO] running `Command { std: "docker" "inspect" "2bdca415d9560e438e5939cf10eca44fe2e6868329524202e6bcb7e6aed25e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdca415d9560e438e5939cf10eca44fe2e6868329524202e6bcb7e6aed25e25", kill_on_drop: false }`
[INFO] [stdout] 2bdca415d9560e438e5939cf10eca44fe2e6868329524202e6bcb7e6aed25e25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 1c2e217d9be9ec791b14b989fa60049f2c0678ee1cdc2c901553dbc69a369784
[INFO] running `Command { std: "docker" "start" "-a" "1c2e217d9be9ec791b14b989fa60049f2c0678ee1cdc2c901553dbc69a369784", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `max_len`
[INFO] [stderr]   --> src/padder/util.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn max_len<T: AsRef<str>>(col: &Vec<T>, ansi: bool) -> usize
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]   --> src/padder/vector.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let vec = init(12, |i| pow(2, i).to_string());
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spare` (lib) generated 1 warning
[INFO] [stderr] warning: `spare` (lib test) generated 1 warning
[INFO] [stderr] warning: unused import: `Formatter`
[INFO] [stderr]  --> tests/alpha/display_to_number_test.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{Display, Formatter};
[INFO] [stderr]   |                         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> tests/alpha/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod display_to_number_test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::ParseFloatError`
[INFO] [stderr]  --> tests/alpha/display_to_number_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::num::ParseFloatError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> tests/alpha/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod display_to_number_test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spare` (test "integration_test") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spare-02a2a235880997d1)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test deco::vector::tests::test ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-456076000e91e571)
[INFO] [stdout] test padder::util::tests::test_vector_util ... ok
[INFO] [stdout] test padder::matrix::tests::test_matrix_padder ... ok
[INFO] [stdout] test padder::vector::tests::test_vector_padder ... ok
[INFO] [stdout] test deco::entries::deco_entries_tests::test ... ok
[INFO] [stdout] test deco::matrix::deco_matrix_tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test alpha::display_to_number_test::tests::display_to_number_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spare
[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" "1c2e217d9be9ec791b14b989fa60049f2c0678ee1cdc2c901553dbc69a369784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2e217d9be9ec791b14b989fa60049f2c0678ee1cdc2c901553dbc69a369784", kill_on_drop: false }`
[INFO] [stdout] 1c2e217d9be9ec791b14b989fa60049f2c0678ee1cdc2c901553dbc69a369784