[INFO] fetching crate spare 0.0.3...
[INFO] testing spare-0.0.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate spare 0.0.3 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spare 0.0.3 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded palett v0.0.8
[INFO] [stderr]   Downloaded veho v0.0.20
[INFO] [stderr]   Downloaded aryth v0.0.11
[INFO] [stderr]   Downloaded texting v0.0.7
[INFO] [stderr]   Downloaded vte v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47de15c54fddf8371b0b257f2828499a5e7ec261c9ec51275010712e35c58932
[INFO] running `Command { std: "docker" "start" "-a" "47de15c54fddf8371b0b257f2828499a5e7ec261c9ec51275010712e35c58932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47de15c54fddf8371b0b257f2828499a5e7ec261c9ec51275010712e35c58932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47de15c54fddf8371b0b257f2828499a5e7ec261c9ec51275010712e35c58932", kill_on_drop: false }`
[INFO] [stdout] 47de15c54fddf8371b0b257f2828499a5e7ec261c9ec51275010712e35c58932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e7ad8db70996439d03646a4f8e7a74cd4d9285ef8ea877405c4afa47bfe52ddc
[INFO] running `Command { std: "docker" "start" "-a" "e7ad8db70996439d03646a4f8e7a74cd4d9285ef8ea877405c4afa47bfe52ddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling veho v0.0.20
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling vte v0.15.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling texting v0.0.7
[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: trait `Joiners` is never used
[INFO] [stdout]  --> src/deco/vector/joiners.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Joiners: Iterator where
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_len` is never used
[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] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "e7ad8db70996439d03646a4f8e7a74cd4d9285ef8ea877405c4afa47bfe52ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ad8db70996439d03646a4f8e7a74cd4d9285ef8ea877405c4afa47bfe52ddc", kill_on_drop: false }`
[INFO] [stdout] e7ad8db70996439d03646a4f8e7a74cd4d9285ef8ea877405c4afa47bfe52ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d84af831402b667d005b3b433a099cb5de81f39f26d57d3baafd221820cb7848
[INFO] running `Command { std: "docker" "start" "-a" "d84af831402b667d005b3b433a099cb5de81f39f26d57d3baafd221820cb7848", kill_on_drop: false }`
[INFO] [stderr]    Compiling spare v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Joiners` is never used
[INFO] [stdout]  --> src/deco/vector/joiners.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Joiners: Iterator where
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_len` is never used
[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] 
[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] 
[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] 
[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: trait `Joiners` is never used
[INFO] [stdout]  --> src/deco/vector/joiners.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Joiners: Iterator where
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "d84af831402b667d005b3b433a099cb5de81f39f26d57d3baafd221820cb7848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84af831402b667d005b3b433a099cb5de81f39f26d57d3baafd221820cb7848", kill_on_drop: false }`
[INFO] [stdout] d84af831402b667d005b3b433a099cb5de81f39f26d57d3baafd221820cb7848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e737af5daa346f4dd8437f118163cddc057c9ff7c0489bf844626d56c988b2e9
[INFO] running `Command { std: "docker" "start" "-a" "e737af5daa346f4dd8437f118163cddc057c9ff7c0489bf844626d56c988b2e9", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Joiners` is never used
[INFO] [stderr]  --> src/deco/vector/joiners.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Joiners: Iterator where
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `max_len` is never used
[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] 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 2 warnings
[INFO] [stderr] warning: `spare` (lib test) generated 2 warnings (1 duplicate)
[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] 
[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] warning: `spare` (test "integration_test") generated 2 warnings (run `cargo fix --test "integration_test"` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/spare-039af92d4c22b985)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test deco::vector::tests::test ... ok
[INFO] [stdout] test padder::vector::tests::test_vector_padder ... ok
[INFO] [stdout] test deco::entries::deco_entries_tests::test ... ok
[INFO] [stdout] test padder::util::tests::test_vector_util ... ok
[INFO] [stdout] test padder::matrix::tests::test_matrix_padder ... ok
[INFO] [stdout] test deco::matrix::deco_matrix_tests::test ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/integration_test-326859290d21f1ba)
[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] running `Command { std: "docker" "inspect" "e737af5daa346f4dd8437f118163cddc057c9ff7c0489bf844626d56c988b2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e737af5daa346f4dd8437f118163cddc057c9ff7c0489bf844626d56c988b2e9", kill_on_drop: false }`
[INFO] [stdout] e737af5daa346f4dd8437f118163cddc057c9ff7c0489bf844626d56c988b2e9