[INFO] fetching crate shunting 0.1.2...
[INFO] testing shunting-0.1.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate shunting 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate shunting 0.1.2
[INFO] finished tweaking crates.io crate shunting 0.1.2
[INFO] tweaked toml for crates.io crate shunting 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shunting 0.1.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shunting 0.1.2 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded lexers v0.1.4
[INFO] [stderr]   Downloaded fd-lock v3.0.5
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded redox_users v0.4.2
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded redox_syscall v0.2.12
[INFO] [stderr]   Downloaded io-lifetimes v0.6.1
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded rustix v0.34.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.42
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[INFO] [stderr]   Downloaded rustyline v9.1.2
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57ba16cf7b1313f327db681f85bbe3c0be7c3eba41fe687e14611b50a504f3ce
[INFO] running `Command { std: "docker" "start" "-a" "57ba16cf7b1313f327db681f85bbe3c0be7c3eba41fe687e14611b50a504f3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ba16cf7b1313f327db681f85bbe3c0be7c3eba41fe687e14611b50a504f3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ba16cf7b1313f327db681f85bbe3c0be7c3eba41fe687e14611b50a504f3ce", kill_on_drop: false }`
[INFO] [stdout] 57ba16cf7b1313f327db681f85bbe3c0be7c3eba41fe687e14611b50a504f3ce
[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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ab003de2764094e55b456ae30dc126c0a398597a9e264a486dbe4421d9e573
[INFO] running `Command { std: "docker" "start" "-a" "92ab003de2764094e55b456ae30dc126c0a398597a9e264a486dbe4421d9e573", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling lexers v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling shunting v0.1.2 (/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 5.97s
[INFO] running `Command { std: "docker" "inspect" "92ab003de2764094e55b456ae30dc126c0a398597a9e264a486dbe4421d9e573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ab003de2764094e55b456ae30dc126c0a398597a9e264a486dbe4421d9e573", kill_on_drop: false }`
[INFO] [stdout] 92ab003de2764094e55b456ae30dc126c0a398597a9e264a486dbe4421d9e573
[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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dc05f3f92d4b9658556a63112b742b8ded8f39604da3def27099c4ef11bf670
[INFO] running `Command { std: "docker" "start" "-a" "0dc05f3f92d4b9658556a63112b742b8ded8f39604da3def27099c4ef11bf670", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling rustix v0.34.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.0.42
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling fd-lock v3.0.5
[INFO] [stderr]    Compiling shunting v0.1.2 (/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]    Compiling rustyline v9.1.2
[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 16.48s
[INFO] running `Command { std: "docker" "inspect" "0dc05f3f92d4b9658556a63112b742b8ded8f39604da3def27099c4ef11bf670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc05f3f92d4b9658556a63112b742b8ded8f39604da3def27099c4ef11bf670", kill_on_drop: false }`
[INFO] [stdout] 0dc05f3f92d4b9658556a63112b742b8ded8f39604da3def27099c4ef11bf670
[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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25b2323a011d03cf777d00ac81e7bdbc471e8a98fdc3a4e4ed0b3e49554e4bd9
[INFO] running `Command { std: "docker" "start" "-a" "25b2323a011d03cf777d00ac81e7bdbc471e8a98fdc3a4e4ed0b3e49554e4bd9", 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: `shunting` (lib) generated 1 warning (run `cargo fix --lib -p shunting` to apply 1 suggestion)
[INFO] [stderr] warning: `shunting` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shunting-16ca6033aef9fb5a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test parser_test::test_associativity ... ok
[INFO] [stdout] test parser_test::bad_parse ... ok
[INFO] [stdout] test parser_test::test_mixed_ops ... ok
[INFO] [stdout] test parser_test::test_functions ... ok
[INFO] [stdout] test parser_test::test_precedence ... ok
[INFO] [stdout] test rpneval_test::test_eval1 ... ok
[INFO] [stdout] test rpneval_test::test_eval4 ... ok
[INFO] [stdout] test rpneval_test::test_eval3 ... ok
[INFO] [stdout] test rpneval_test::test_eval2 ... ok
[INFO] [stdout] test rpneval_test::test_eval5 ... ok
[INFO] [stdout] test rpneval_test::test_eval8 ... ok
[INFO] [stdout] test parser_test::test_parens ... ok
[INFO] [stdout] test rpneval_test::test_eval7 ... ok
[INFO] [stdout] test rpneval_test::test_eval6 ... ok
[INFO] [stdout] test parser_test::test_unary_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shunting
[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" "25b2323a011d03cf777d00ac81e7bdbc471e8a98fdc3a4e4ed0b3e49554e4bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b2323a011d03cf777d00ac81e7bdbc471e8a98fdc3a4e4ed0b3e49554e4bd9", kill_on_drop: false }`
[INFO] [stdout] 25b2323a011d03cf777d00ac81e7bdbc471e8a98fdc3a4e4ed0b3e49554e4bd9