[INFO] cloning repository https://github.com/White-Oak/rust-compilation-time-ram-regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/White-Oak/rust-compilation-time-ram-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhite-Oak%2Frust-compilation-time-ram-regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhite-Oak%2Frust-compilation-time-ram-regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9786a9b7313600445e50b566c55030594f8a0c91
[INFO] checking White-Oak/rust-compilation-time-ram-regression against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhite-Oak%2Frust-compilation-time-ram-regression" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/White-Oak/rust-compilation-time-ram-regression on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/White-Oak/rust-compilation-time-ram-regression
[INFO] finished tweaking git repo https://github.com/White-Oak/rust-compilation-time-ram-regression
[INFO] tweaked toml for git repo https://github.com/White-Oak/rust-compilation-time-ram-regression written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/White-Oak/rust-compilation-time-ram-regression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef89ec2bd90d14845e4e0dda368f5f64311735a526b45ee7ff682150cf4c5ff8
[INFO] running `Command { std: "docker" "start" "-a" "ef89ec2bd90d14845e4e0dda368f5f64311735a526b45ee7ff682150cf4c5ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef89ec2bd90d14845e4e0dda368f5f64311735a526b45ee7ff682150cf4c5ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef89ec2bd90d14845e4e0dda368f5f64311735a526b45ee7ff682150cf4c5ff8", kill_on_drop: false }`
[INFO] [stdout] ef89ec2bd90d14845e4e0dda368f5f64311735a526b45ee7ff682150cf4c5ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddfcb31e960df6edf9831802b6a7028739c2791c9b02633f2f3f297279c3f799
[INFO] running `Command { std: "docker" "start" "-a" "ddfcb31e960df6edf9831802b6a7028739c2791c9b02633f2f3f297279c3f799", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.4.0
[INFO] [stderr]     Checking regex v0.1.48
[INFO] [stderr]     Checking peruse v0.3.0 (https://github.com/DanSimon/peruse.git#dbfc0054)
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lexer.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn token() -> Box<Parser<I=str, O=Vec<Token>>> {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=str, O=Vec<Token>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parser.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn program() -> Box<Parser<I=[Token], O=Block>> {
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Block>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:115:10
[INFO] [stdout]     |
[INFO] [stdout] 115 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parser.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expression() -> Box<Parser<I=[Token], O=Expr>> {
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Expr>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |         fn code_block() -> Box<Parser<I=[Token], O=Block>> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Block>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |         fn if_stmt() -> Box<Parser<I=[Token], O=Statement>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Statement>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lexer.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn token() -> Box<Parser<I=str, O=Vec<Token>>> {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=str, O=Vec<Token>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parser.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn program() -> Box<Parser<I=[Token], O=Block>> {
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Block>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:115:10
[INFO] [stdout]     |
[INFO] [stdout] 115 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parser.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expression() -> Box<Parser<I=[Token], O=Expr>> {
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Expr>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |         fn code_block() -> Box<Parser<I=[Token], O=Block>> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Block>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |         fn if_stmt() -> Box<Parser<I=[Token], O=Statement>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<I=[Token], O=Statement>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "ddfcb31e960df6edf9831802b6a7028739c2791c9b02633f2f3f297279c3f799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfcb31e960df6edf9831802b6a7028739c2791c9b02633f2f3f297279c3f799", kill_on_drop: false }`
[INFO] [stdout] ddfcb31e960df6edf9831802b6a7028739c2791c9b02633f2f3f297279c3f799