[INFO] fetching crate thin-shunting 1.0.0...
[INFO] testing thin-shunting-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate thin-shunting 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate thin-shunting 1.0.0
[INFO] finished tweaking crates.io crate thin-shunting 1.0.0
[INFO] tweaked toml for crates.io crate thin-shunting 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate thin-shunting 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3aa9e1dcc0b88ccc4aff5d889de0da4ee92545c7ed438975fd9be93452af8e
[INFO] running `Command { std: "docker" "start" "-a" "6f3aa9e1dcc0b88ccc4aff5d889de0da4ee92545c7ed438975fd9be93452af8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3aa9e1dcc0b88ccc4aff5d889de0da4ee92545c7ed438975fd9be93452af8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3aa9e1dcc0b88ccc4aff5d889de0da4ee92545c7ed438975fd9be93452af8e", kill_on_drop: false }`
[INFO] [stdout] 6f3aa9e1dcc0b88ccc4aff5d889de0da4ee92545c7ed438975fd9be93452af8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19078b935fbfa02ef79cbd87ec03f375b9210d8a0bf2762762a31a44bd2ff5f1
[INFO] running `Command { std: "docker" "start" "-a" "19078b935fbfa02ef79cbd87ec03f375b9210d8a0bf2762762a31a44bd2ff5f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thin-shunting v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rpnprint.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn build_ast(&self) -> AST {
[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] 12 |     fn build_ast(&self) -> AST<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "19078b935fbfa02ef79cbd87ec03f375b9210d8a0bf2762762a31a44bd2ff5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19078b935fbfa02ef79cbd87ec03f375b9210d8a0bf2762762a31a44bd2ff5f1", kill_on_drop: false }`
[INFO] [stdout] 19078b935fbfa02ef79cbd87ec03f375b9210d8a0bf2762762a31a44bd2ff5f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f5c6c3bf98d02f78e6c5e6f985798597105bc59cb5dbcfa410a7d25de550313
[INFO] running `Command { std: "docker" "start" "-a" "3f5c6c3bf98d02f78e6c5e6f985798597105bc59cb5dbcfa410a7d25de550313", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-shunting v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rpnprint.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn build_ast(&self) -> AST {
[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] 12 |     fn build_ast(&self) -> AST<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rpnprint.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn build_ast(&self) -> AST {
[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] 12 |     fn build_ast(&self) -> AST<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "3f5c6c3bf98d02f78e6c5e6f985798597105bc59cb5dbcfa410a7d25de550313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5c6c3bf98d02f78e6c5e6f985798597105bc59cb5dbcfa410a7d25de550313", kill_on_drop: false }`
[INFO] [stdout] 3f5c6c3bf98d02f78e6c5e6f985798597105bc59cb5dbcfa410a7d25de550313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef43b96509bae341d22ee85a134e4c4d484a05a6f804619ade123da678f4d57e
[INFO] running `Command { std: "docker" "start" "-a" "ef43b96509bae341d22ee85a134e4c4d484a05a6f804619ade123da678f4d57e", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/rpnprint.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn build_ast(&self) -> AST {
[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] 12 |     fn build_ast(&self) -> AST<'_> {
[INFO] [stderr]    |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `thin-shunting` (lib) generated 1 warning
[INFO] [stderr] warning: `thin-shunting` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thin_shunting-c93fe5b03b8fa128)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test parser::tests::test_parse1 ... ok
[INFO] [stdout] test parser::tests::test_parse2 ... ok
[INFO] [stdout] test parser::tests::test_parse3 ... ok
[INFO] [stdout] test rpneval::tests::test_eval1 ... ok
[INFO] [stdout] test parser::tests::bad_parse ... ok
[INFO] [stdout] test rpneval::tests::test_eval3 ... ok
[INFO] [stdout] test rpneval::tests::test_eval2 ... ok
[INFO] [stdout] test parser::tests::check_arity ... ok
[INFO] [stdout] test rpneval::tests::test_eval4 ... ok
[INFO] [stdout] test rpneval::tests::test_eval7 ... ok
[INFO] [stdout] test rpneval::tests::test_eval5 ... ok
[INFO] [stdout] test rpneval::tests::test_eval6 ... ok
[INFO] [stdout] test rpneval::tests::test_eval8 ... ok
[INFO] [stdout] test tokenizer::tests::basic_ops ... ok
[INFO] [stdout] test tokenizer::tests::unary_ops ... ok
[INFO] [stderr]    Doc-tests thin_shunting
[INFO] [stdout] test tokenizer::tests::mixed_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "ef43b96509bae341d22ee85a134e4c4d484a05a6f804619ade123da678f4d57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef43b96509bae341d22ee85a134e4c4d484a05a6f804619ade123da678f4d57e", kill_on_drop: false }`
[INFO] [stdout] ef43b96509bae341d22ee85a134e4c4d484a05a6f804619ade123da678f4d57e