[INFO] fetching crate fleck 0.2.0...
[INFO] testing fleck-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate fleck 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate fleck 0.2.0
[INFO] finished tweaking crates.io crate fleck 0.2.0
[INFO] tweaked toml for crates.io crate fleck 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fleck 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fleck 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 866fa83fd2a5da72d576c3a9c581353f89a7d72b93ca9e13f0d4596ee0fe00c1
[INFO] running `Command { std: "docker" "start" "-a" "866fa83fd2a5da72d576c3a9c581353f89a7d72b93ca9e13f0d4596ee0fe00c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "866fa83fd2a5da72d576c3a9c581353f89a7d72b93ca9e13f0d4596ee0fe00c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866fa83fd2a5da72d576c3a9c581353f89a7d72b93ca9e13f0d4596ee0fe00c1", kill_on_drop: false }`
[INFO] [stdout] 866fa83fd2a5da72d576c3a9c581353f89a7d72b93ca9e13f0d4596ee0fe00c1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59344ba3e69b8c5be34dd7c21295a5d53555949f151edaece76c6b2c614aff6d
[INFO] running `Command { std: "docker" "start" "-a" "59344ba3e69b8c5be34dd7c21295a5d53555949f151edaece76c6b2c614aff6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fleck v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph> {
[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] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph> {
[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] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph<'_>> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "59344ba3e69b8c5be34dd7c21295a5d53555949f151edaece76c6b2c614aff6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59344ba3e69b8c5be34dd7c21295a5d53555949f151edaece76c6b2c614aff6d", kill_on_drop: false }`
[INFO] [stdout] 59344ba3e69b8c5be34dd7c21295a5d53555949f151edaece76c6b2c614aff6d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 100f9eb22410d80192bc9d66db09da77aa0721370fa417db2f500b4c6b98359c
[INFO] running `Command { std: "docker" "start" "-a" "100f9eb22410d80192bc9d66db09da77aa0721370fa417db2f500b4c6b98359c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph> {
[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] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph> {
[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] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph<'_>> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fleck v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph> {
[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] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph> {
[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] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph<'_>> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "100f9eb22410d80192bc9d66db09da77aa0721370fa417db2f500b4c6b98359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100f9eb22410d80192bc9d66db09da77aa0721370fa417db2f500b4c6b98359c", kill_on_drop: false }`
[INFO] [stdout] 100f9eb22410d80192bc9d66db09da77aa0721370fa417db2f500b4c6b98359c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0933ada18542554f0f9a8a2b4473551a1a09e052c7f5d1acedf3773a1ea924a3
[INFO] running `Command { std: "docker" "start" "-a" "0933ada18542554f0f9a8a2b4473551a1a09e052c7f5d1acedf3773a1ea924a3", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:94:19
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph> {
[INFO] [stderr]    |                   ^^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn glyphs(&self) -> impl Iterator<Item = Glyph<'_>> {
[INFO] [stderr]    |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:166:18
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph> {
[INFO] [stderr]     |                  ^^^^^                      ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn glyph(&self, ch: char) -> Option<Glyph<'_>> {
[INFO] [stderr]     |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fleck` (lib) generated 2 warnings (run `cargo fix --lib -p fleck` to apply 2 suggestions)
[INFO] [stderr] warning: `fleck` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fleck-79aaa73d9d397d4b)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-59f01f8f7945e7aa)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test correct_font_size ... ok
[INFO] [stdout] test width ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fleck
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Font::load_from_file (line 205) - compile ... ok
[INFO] [stdout] test src/lib.rs - Font::glyphs (line 77) ... ok
[INFO] [stdout] test src/lib.rs - Font::determine_width (line 185) ... ok
[INFO] [stdout] test src/lib.rs - Font::new (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Row (line 305) ... ok
[INFO] [stdout] test src/lib.rs - Font::glyph (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Font::max_width (line 126) ... ok
[INFO] [stdout] test src/lib.rs - Glyph (line 226) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0933ada18542554f0f9a8a2b4473551a1a09e052c7f5d1acedf3773a1ea924a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0933ada18542554f0f9a8a2b4473551a1a09e052c7f5d1acedf3773a1ea924a3", kill_on_drop: false }`
[INFO] [stdout] 0933ada18542554f0f9a8a2b4473551a1a09e052c7f5d1acedf3773a1ea924a3