[INFO] cloning repository https://github.com/gustavderdrache/tiger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gustavderdrache/tiger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustavderdrache%2Ftiger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustavderdrache%2Ftiger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 103f4f5f5c9498d9eb869c6fe1f1205a0d398bc5
[INFO] testing gustavderdrache/tiger against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustavderdrache%2Ftiger" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gustavderdrache/tiger on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gustavderdrache/tiger
[INFO] finished tweaking git repo https://github.com/gustavderdrache/tiger
[INFO] tweaked toml for git repo https://github.com/gustavderdrache/tiger written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/gustavderdrache/tiger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42204cf94d87609b79dd8e4a28d26ef47fd7ad504f8784412dc8a594e2d9d290
[INFO] running `Command { std: "docker" "start" "-a" "42204cf94d87609b79dd8e4a28d26ef47fd7ad504f8784412dc8a594e2d9d290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42204cf94d87609b79dd8e4a28d26ef47fd7ad504f8784412dc8a594e2d9d290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42204cf94d87609b79dd8e4a28d26ef47fd7ad504f8784412dc8a594e2d9d290", kill_on_drop: false }`
[INFO] [stdout] 42204cf94d87609b79dd8e4a28d26ef47fd7ad504f8784412dc8a594e2d9d290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7223994816f7a7a4727b161d71d080743c1af48612f96236cccb8e4fda2567c6
[INFO] running `Command { std: "docker" "start" "-a" "7223994816f7a7a4727b161d71d080743c1af48612f96236cccb8e4fda2567c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling array-macro v1.0.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling enum-map-internals v0.1.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]    Compiling enum-map v0.5.0
[INFO] [stderr]    Compiling tiger_syntax v0.1.0 (/opt/rustwide/workdir/tiger_syntax)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `dyn AsRef<str>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `<dyn AsRef<str>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tigc v0.1.0 (/opt/rustwide/workdir/tigc)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "7223994816f7a7a4727b161d71d080743c1af48612f96236cccb8e4fda2567c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7223994816f7a7a4727b161d71d080743c1af48612f96236cccb8e4fda2567c6", kill_on_drop: false }`
[INFO] [stdout] 7223994816f7a7a4727b161d71d080743c1af48612f96236cccb8e4fda2567c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10fe4bc9e4327f57d875942b824dd87ed298539a8629d6d9fee4940af2df5b92
[INFO] running `Command { std: "docker" "start" "-a" "10fe4bc9e4327f57d875942b824dd87ed298539a8629d6d9fee4940af2df5b92", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiger_syntax v0.1.0 (/opt/rustwide/workdir/tiger_syntax)
[INFO] [stderr]    Compiling tigc v0.1.0 (/opt/rustwide/workdir/tigc)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `dyn AsRef<str>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `<dyn AsRef<str>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `dyn AsRef<str>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `<dyn AsRef<str>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "10fe4bc9e4327f57d875942b824dd87ed298539a8629d6d9fee4940af2df5b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fe4bc9e4327f57d875942b824dd87ed298539a8629d6d9fee4940af2df5b92", kill_on_drop: false }`
[INFO] [stdout] 10fe4bc9e4327f57d875942b824dd87ed298539a8629d6d9fee4940af2df5b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2fed06ddcae81c6390af6723235db645868d06141378adfbdb31ea170e437a86
[INFO] running `Command { std: "docker" "start" "-a" "2fed06ddcae81c6390af6723235db645868d06141378adfbdb31ea170e437a86", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `dyn AsRef<str>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tiger_syntax/src/token.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |         match <AsRef<str>>::as_ref(&maybe_identifer) {
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `<dyn AsRef<str>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `tiger_syntax` (lib) generated 2 warnings
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `tiger_syntax` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tigc-186f7457f44ac5b4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiger_syntax-4a9bb95a7e0946ec)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiger_syntax
[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] [stdout] 
[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] running `Command { std: "docker" "inspect" "2fed06ddcae81c6390af6723235db645868d06141378adfbdb31ea170e437a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fed06ddcae81c6390af6723235db645868d06141378adfbdb31ea170e437a86", kill_on_drop: false }`
[INFO] [stdout] 2fed06ddcae81c6390af6723235db645868d06141378adfbdb31ea170e437a86