[INFO] cloning repository https://github.com/RedDocMD/undertaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RedDocMD/undertaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fundertaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fundertaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cde5821445374d6284333f9e3f9e5bf0230b7799
[INFO] testing RedDocMD/undertaker against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fundertaker" "/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/RedDocMD/undertaker on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RedDocMD/undertaker
[INFO] finished tweaking git repo https://github.com/RedDocMD/undertaker
[INFO] tweaked toml for git repo https://github.com/RedDocMD/undertaker written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RedDocMD/undertaker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb9786f49e8395cd242d65ef280917b8169fc4d6974854ea5a2af8e4d829130
[INFO] running `Command { std: "docker" "start" "-a" "1fb9786f49e8395cd242d65ef280917b8169fc4d6974854ea5a2af8e4d829130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb9786f49e8395cd242d65ef280917b8169fc4d6974854ea5a2af8e4d829130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb9786f49e8395cd242d65ef280917b8169fc4d6974854ea5a2af8e4d829130", kill_on_drop: false }`
[INFO] [stdout] 1fb9786f49e8395cd242d65ef280917b8169fc4d6974854ea5a2af8e4d829130
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f96325ea9d8860ed9e99e4a9e8ce4f62f419c575a822cde1bf3fd3633dd0895b
[INFO] running `Command { std: "docker" "start" "-a" "f96325ea9d8860ed9e99e4a9e8ce4f62f419c575a822cde1bf3fd3633dd0895b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling undertaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/discover.rs:422:64
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("invalid float suffix: \"{}\""),
[INFO] [stdout]     |                                                                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("invalid float suffix: \"{}\"", ...),
[INFO] [stdout]     |                                                                     +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("{}", "invalid float suffix: \"{}\""),
[INFO] [stdout]     |                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "f96325ea9d8860ed9e99e4a9e8ce4f62f419c575a822cde1bf3fd3633dd0895b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96325ea9d8860ed9e99e4a9e8ce4f62f419c575a822cde1bf3fd3633dd0895b", kill_on_drop: false }`
[INFO] [stdout] f96325ea9d8860ed9e99e4a9e8ce4f62f419c575a822cde1bf3fd3633dd0895b
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48bab718b526f50055c2894db151e96a9277270ffd35c3c4b03b82f9f818e0d9
[INFO] running `Command { std: "docker" "start" "-a" "48bab718b526f50055c2894db151e96a9277270ffd35c3c4b03b82f9f818e0d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling undertaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/discover.rs:422:64
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("invalid float suffix: \"{}\""),
[INFO] [stdout]     |                                                                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("invalid float suffix: \"{}\"", ...),
[INFO] [stdout]     |                                                                     +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("{}", "invalid float suffix: \"{}\""),
[INFO] [stdout]     |                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/discover.rs:422:64
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("invalid float suffix: \"{}\""),
[INFO] [stdout]     |                                                                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("invalid float suffix: \"{}\"", ...),
[INFO] [stdout]     |                                                                     +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     _ => unreachable!("{}", "invalid float suffix: \"{}\""),
[INFO] [stdout]     |                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "48bab718b526f50055c2894db151e96a9277270ffd35c3c4b03b82f9f818e0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bab718b526f50055c2894db151e96a9277270ffd35c3c4b03b82f9f818e0d9", kill_on_drop: false }`
[INFO] [stdout] 48bab718b526f50055c2894db151e96a9277270ffd35c3c4b03b82f9f818e0d9
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b12bc0f19e9af58414d5cd3674a788396f9201012101a587a468ff0c8922083
[INFO] running `Command { std: "docker" "start" "-a" "8b12bc0f19e9af58414d5cd3674a788396f9201012101a587a468ff0c8922083", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/discover.rs:422:64
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     _ => unreachable!("invalid float suffix: \"{}\""),
[INFO] [stderr]     |                                                                ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     _ => unreachable!("invalid float suffix: \"{}\"", ...),
[INFO] [stderr]     |                                                                     +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     _ => unreachable!("{}", "invalid float suffix: \"{}\""),
[INFO] [stderr]     |                                       +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `undertaker` (lib) generated 1 warning
[INFO] [stderr] warning: `undertaker` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/undertaker-e164752195762af7)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test uses::test::test_extend_paths_unambiguous ... ok
[INFO] [stdout] test context::test::test_ctx_with_one_block ... FAILED
[INFO] [stdout] test uses::test::test_extend_paths_ambiguous ... ok
[INFO] [stdout] test context::test::test_ctx_with_two_blocks ... FAILED
[INFO] [stdout] test context::test::test_empty_ctx ... FAILED
[INFO] [stdout] test context::test::test_ctx_with_empty_blocks ... FAILED
[INFO] [stdout] test uses::test::test_discrete_uses ... ok
[INFO] [stdout] test uses::test::test_block_uses ... ok
[INFO] [stdout] test uses::test::test_grouped_uses ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     context::test::test_ctx_with_empty_blocks
[INFO] [stdout]     context::test::test_ctx_with_one_block
[INFO] [stdout]     context::test::test_ctx_with_two_blocks
[INFO] [stdout]     context::test::test_empty_ctx
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "8b12bc0f19e9af58414d5cd3674a788396f9201012101a587a468ff0c8922083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b12bc0f19e9af58414d5cd3674a788396f9201012101a587a468ff0c8922083", kill_on_drop: false }`
[INFO] [stdout] 8b12bc0f19e9af58414d5cd3674a788396f9201012101a587a468ff0c8922083