[INFO] cloning repository https://github.com/Munksgaard/pdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Munksgaard/pdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMunksgaard%2Fpdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMunksgaard%2Fpdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31dc8dc634bb8d82f92eac7149cf823bfe9a8165
[INFO] checking Munksgaard/pdb/31dc8dc634bb8d82f92eac7149cf823bfe9a8165 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMunksgaard%2Fpdb" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Munksgaard/pdb on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Munksgaard/pdb
[INFO] finished tweaking git repo https://github.com/Munksgaard/pdb
[INFO] tweaked toml for git repo https://github.com/Munksgaard/pdb written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Munksgaard/pdb 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ec5ac2b4e10e866e23190f563dc516acc52797784f13015413aed701d5e98c1
[INFO] running `Command { std: "docker" "start" "-a" "8ec5ac2b4e10e866e23190f563dc516acc52797784f13015413aed701d5e98c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec5ac2b4e10e866e23190f563dc516acc52797784f13015413aed701d5e98c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec5ac2b4e10e866e23190f563dc516acc52797784f13015413aed701d5e98c1", kill_on_drop: false }`
[INFO] [stdout] 8ec5ac2b4e10e866e23190f563dc516acc52797784f13015413aed701d5e98c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9a39d0b3bb33d321e2c3da076cec9264ccfcfdf21c70615892fe19c9b57aba5
[INFO] running `Command { std: "docker" "start" "-a" "f9a39d0b3bb33d321e2c3da076cec9264ccfcfdf21c70615892fe19c9b57aba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.0
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking lexpr v0.2.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde-lexpr v0.1.1
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `HashSet<std::string::String>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ty.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |       let env_fvs: HashSet<_> = env.fv().collect();
[INFO] [stdout]     |           ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 263 |       (
[INFO] [stdout] 264 | /         ty.fv()
[INFO] [stdout] 265 | |             .collect::<HashSet<_>>()
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SubstituteMut` is never used
[INFO] [stdout]    --> src/ty.rs:316:7
[INFO] [stdout]     |
[INFO] [stdout] 316 | trait SubstituteMut {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pdb` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this value of type `HashSet<std::string::String>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ty.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |       let env_fvs: HashSet<_> = env.fv().collect();
[INFO] [stdout]     |           ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 263 |       (
[INFO] [stdout] 264 | /         ty.fv()
[INFO] [stdout] 265 | |             .collect::<HashSet<_>>()
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SubstituteMut` is never used
[INFO] [stdout]    --> src/ty.rs:316:7
[INFO] [stdout]     |
[INFO] [stdout] 316 | trait SubstituteMut {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pdb` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f9a39d0b3bb33d321e2c3da076cec9264ccfcfdf21c70615892fe19c9b57aba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a39d0b3bb33d321e2c3da076cec9264ccfcfdf21c70615892fe19c9b57aba5", kill_on_drop: false }`
[INFO] [stdout] f9a39d0b3bb33d321e2c3da076cec9264ccfcfdf21c70615892fe19c9b57aba5