[INFO] fetching crate seshat-unicode 0.3.1...
[INFO] building seshat-unicode-0.3.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate seshat-unicode 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate seshat-unicode 0.3.1
[INFO] finished tweaking crates.io crate seshat-unicode 0.3.1
[INFO] tweaked toml for crates.io crate seshat-unicode 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seshat-unicode 0.3.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.3.1 (available: v0.4.3)
[INFO] [stderr]       Adding xml-rs v0.8.27 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87dda9587330f986209b1ee1f2545b819024b7f3bd6ed60e9d8273990a88d67
[INFO] running `Command { std: "docker" "start" "-a" "a87dda9587330f986209b1ee1f2545b819024b7f3bd6ed60e9d8273990a88d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87dda9587330f986209b1ee1f2545b819024b7f3bd6ed60e9d8273990a88d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87dda9587330f986209b1ee1f2545b819024b7f3bd6ed60e9d8273990a88d67", kill_on_drop: false }`
[INFO] [stdout] a87dda9587330f986209b1ee1f2545b819024b7f3bd6ed60e9d8273990a88d67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d9dab24efca56f2e967b9a92211ba678379c33443ab1e7d8883051b13ea570b
[INFO] running `Command { std: "docker" "start" "-a" "6d9dab24efca56f2e967b9a92211ba678379c33443ab1e7d8883051b13ea570b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling seshat-unicode v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unicode.rs:991:24
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes;
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes<'_>;
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unicode.rs:995:24
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idsu` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:3779:15
[INFO] [stdout]      |
[INFO] [stdout] 3779 | pub(crate) fn idsu(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_continue` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4103:15
[INFO] [stdout]      |
[INFO] [stdout] 4103 | pub(crate) fn id_compat_math_continue(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_start` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4180:15
[INFO] [stdout]      |
[INFO] [stdout] 4180 | pub(crate) fn id_compat_math_start(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mcm` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:5343:15
[INFO] [stdout]      |
[INFO] [stdout] 5343 | pub(crate) fn mcm(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "6d9dab24efca56f2e967b9a92211ba678379c33443ab1e7d8883051b13ea570b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9dab24efca56f2e967b9a92211ba678379c33443ab1e7d8883051b13ea570b", kill_on_drop: false }`
[INFO] [stdout] 6d9dab24efca56f2e967b9a92211ba678379c33443ab1e7d8883051b13ea570b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f9aaf35915333299bea29c5b88c55d22a2c36bf21a9d93aefedca8fe037beb
[INFO] running `Command { std: "docker" "start" "-a" "94f9aaf35915333299bea29c5b88c55d22a2c36bf21a9d93aefedca8fe037beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling seshat-unicode v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unicode.rs:991:24
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes;
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes<'_>;
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unicode.rs:995:24
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idsu` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:3779:15
[INFO] [stdout]      |
[INFO] [stdout] 3779 | pub(crate) fn idsu(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_continue` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4103:15
[INFO] [stdout]      |
[INFO] [stdout] 4103 | pub(crate) fn id_compat_math_continue(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_start` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4180:15
[INFO] [stdout]      |
[INFO] [stdout] 4180 | pub(crate) fn id_compat_math_start(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mcm` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:5343:15
[INFO] [stdout]      |
[INFO] [stdout] 5343 | pub(crate) fn mcm(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unicode.rs:991:24
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes;
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes<'_>;
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unicode.rs:995:24
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idsu` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:3779:15
[INFO] [stdout]      |
[INFO] [stdout] 3779 | pub(crate) fn idsu(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_continue` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4103:15
[INFO] [stdout]      |
[INFO] [stdout] 4103 | pub(crate) fn id_compat_math_continue(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_start` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4180:15
[INFO] [stdout]      |
[INFO] [stdout] 4180 | pub(crate) fn id_compat_math_start(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mcm` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:5343:15
[INFO] [stdout]      |
[INFO] [stdout] 5343 | pub(crate) fn mcm(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "94f9aaf35915333299bea29c5b88c55d22a2c36bf21a9d93aefedca8fe037beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f9aaf35915333299bea29c5b88c55d22a2c36bf21a9d93aefedca8fe037beb", kill_on_drop: false }`
[INFO] [stdout] 94f9aaf35915333299bea29c5b88c55d22a2c36bf21a9d93aefedca8fe037beb