[INFO] fetching crate phos 0.0.2...
[INFO] building phos-0.0.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate phos 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate phos 0.0.2
[INFO] finished tweaking crates.io crate phos 0.0.2
[INFO] tweaked toml for crates.io crate phos 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate phos 0.0.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86844dd50028134b7f6d92e904158fa49b6d77b53208f0b96867d29d4929b3a9
[INFO] running `Command { std: "docker" "start" "-a" "86844dd50028134b7f6d92e904158fa49b6d77b53208f0b96867d29d4929b3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86844dd50028134b7f6d92e904158fa49b6d77b53208f0b96867d29d4929b3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86844dd50028134b7f6d92e904158fa49b6d77b53208f0b96867d29d4929b3a9", kill_on_drop: false }`
[INFO] [stdout] 86844dd50028134b7f6d92e904158fa49b6d77b53208f0b96867d29d4929b3a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0240310d07e01da9e15d4fa15ae3f91aacd57c090b85760b70693476f0427feb
[INFO] running `Command { std: "docker" "start" "-a" "0240310d07e01da9e15d4fa15ae3f91aacd57c090b85760b70693476f0427feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling phos v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lib.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) enum Fragment<T: Clone + PartialEq + Eq> {
[INFO] [stdout]    |                 -------- variants in this enum
[INFO] [stdout] 11 |     None,
[INFO] [stdout] 12 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     // TODO: better thing than Vec<MFrag<T>>? box?
[INFO] [stdout] 14 |     Quantifier(Vec<Fragment<T>>, Range<usize>, bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     // lazy expands the quantity until match, greedy starts at pat.len() and shrinks until match
[INFO] [stdout] 16 |     Unit(T),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Class(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     Or(Vec<Fragment<T>>),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     And(Vec<Fragment<T>>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Start,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Fragment` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "0240310d07e01da9e15d4fa15ae3f91aacd57c090b85760b70693476f0427feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0240310d07e01da9e15d4fa15ae3f91aacd57c090b85760b70693476f0427feb", kill_on_drop: false }`
[INFO] [stdout] 0240310d07e01da9e15d4fa15ae3f91aacd57c090b85760b70693476f0427feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf8a00a38c9167b3976626553844c9a294e952bbad4ff7ae7dc0a2c8a0f9e8f
[INFO] running `Command { std: "docker" "start" "-a" "edf8a00a38c9167b3976626553844c9a294e952bbad4ff7ae7dc0a2c8a0f9e8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling phos v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lib.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) enum Fragment<T: Clone + PartialEq + Eq> {
[INFO] [stdout]    |                 -------- variants in this enum
[INFO] [stdout] 11 |     None,
[INFO] [stdout] 12 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     // TODO: better thing than Vec<MFrag<T>>? box?
[INFO] [stdout] 14 |     Quantifier(Vec<Fragment<T>>, Range<usize>, bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     // lazy expands the quantity until match, greedy starts at pat.len() and shrinks until match
[INFO] [stdout] 16 |     Unit(T),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Class(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     Or(Vec<Fragment<T>>),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     And(Vec<Fragment<T>>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Start,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Fragment` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lib.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) enum Fragment<T: Clone + PartialEq + Eq> {
[INFO] [stdout]    |                 -------- variants in this enum
[INFO] [stdout] 11 |     None,
[INFO] [stdout] 12 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     // TODO: better thing than Vec<MFrag<T>>? box?
[INFO] [stdout] 14 |     Quantifier(Vec<Fragment<T>>, Range<usize>, bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     // lazy expands the quantity until match, greedy starts at pat.len() and shrinks until match
[INFO] [stdout] 16 |     Unit(T),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Class(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     Or(Vec<Fragment<T>>),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     And(Vec<Fragment<T>>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Start,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Fragment` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "edf8a00a38c9167b3976626553844c9a294e952bbad4ff7ae7dc0a2c8a0f9e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf8a00a38c9167b3976626553844c9a294e952bbad4ff7ae7dc0a2c8a0f9e8f", kill_on_drop: false }`
[INFO] [stdout] edf8a00a38c9167b3976626553844c9a294e952bbad4ff7ae7dc0a2c8a0f9e8f