[INFO] cloning repository https://github.com/tiffany352/tifflang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiffany352/tifflang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiffany352%2Ftifflang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiffany352%2Ftifflang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61df2ad44a8e3c930f1913562be669d5f30cfe90 [INFO] testing tiffany352/tifflang against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiffany352%2Ftifflang" "/workspace/builds/worker-114/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiffany352/tifflang on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiffany352/tifflang [INFO] finished tweaking git repo https://github.com/tiffany352/tifflang [INFO] tweaked toml for git repo https://github.com/tiffany352/tifflang written to /workspace/builds/worker-114/source/Cargo.toml [INFO] crate git repo https://github.com/tiffany352/tifflang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v2.0.2 [INFO] [stderr] Downloaded web-assembler v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50c07e621cd59b7bc43fdf857c4cc006084697aebd7301c8404f7d49e97f52f2 [INFO] running `Command { std: "docker" "start" "-a" "50c07e621cd59b7bc43fdf857c4cc006084697aebd7301c8404f7d49e97f52f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50c07e621cd59b7bc43fdf857c4cc006084697aebd7301c8404f7d49e97f52f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50c07e621cd59b7bc43fdf857c4cc006084697aebd7301c8404f7d49e97f52f2", kill_on_drop: false }` [INFO] [stdout] 50c07e621cd59b7bc43fdf857c4cc006084697aebd7301c8404f7d49e97f52f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2d901c1c585117b02a8fbc5e7c8d88f94da07fb001876de393b614329a4dffd [INFO] running `Command { std: "docker" "start" "-a" "f2d901c1c585117b02a8fbc5e7c8d88f94da07fb001876de393b614329a4dffd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling web-assembler v0.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.0.2 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling tifflang v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:7:39 [INFO] [stdout] | [INFO] [stdout] 7 | pub type TokenIterator = Peekable>>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:51:19 [INFO] [stdout] | [INFO] [stdout] 51 | let iter: Box>> = Box::new(tokens.into_iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Function` [INFO] [stdout] --> src/typecheck.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | / Function { [INFO] [stdout] 47 | | result: Box, [INFO] [stdout] 48 | | args: Vec, [INFO] [stdout] 49 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/compiler.rs:42:38 [INFO] [stdout] | [INFO] [stdout] 42 | Expr::Error(ref e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 42 | Expr::Error(ref e) => panic!("{:?}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/compiler.rs:56:43 [INFO] [stdout] | [INFO] [stdout] 56 | Statement::Error(ref e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 56 | Statement::Error(ref e) => panic!("{:?}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.57s [INFO] running `Command { std: "docker" "inspect" "f2d901c1c585117b02a8fbc5e7c8d88f94da07fb001876de393b614329a4dffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2d901c1c585117b02a8fbc5e7c8d88f94da07fb001876de393b614329a4dffd", kill_on_drop: false }` [INFO] [stdout] f2d901c1c585117b02a8fbc5e7c8d88f94da07fb001876de393b614329a4dffd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee95759978a6edf9ad7d936bcde5f1507869af870dade8ae5f759b541b483b3b [INFO] running `Command { std: "docker" "start" "-a" "ee95759978a6edf9ad7d936bcde5f1507869af870dade8ae5f759b541b483b3b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling tifflang v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:7:39 [INFO] [stdout] | [INFO] [stdout] 7 | pub type TokenIterator = Peekable>>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:51:19 [INFO] [stdout] | [INFO] [stdout] 51 | let iter: Box>> = Box::new(tokens.into_iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Function` [INFO] [stdout] --> src/typecheck.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | / Function { [INFO] [stdout] 47 | | result: Box, [INFO] [stdout] 48 | | args: Vec, [INFO] [stdout] 49 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/compiler.rs:42:38 [INFO] [stdout] | [INFO] [stdout] 42 | Expr::Error(ref e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 42 | Expr::Error(ref e) => panic!("{:?}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/compiler.rs:56:43 [INFO] [stdout] | [INFO] [stdout] 56 | Statement::Error(ref e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 56 | Statement::Error(ref e) => panic!("{:?}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 16.86s [INFO] running `Command { std: "docker" "inspect" "ee95759978a6edf9ad7d936bcde5f1507869af870dade8ae5f759b541b483b3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee95759978a6edf9ad7d936bcde5f1507869af870dade8ae5f759b541b483b3b", kill_on_drop: false }` [INFO] [stdout] ee95759978a6edf9ad7d936bcde5f1507869af870dade8ae5f759b541b483b3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 21a4ff22768da29110caf530218f1e50559d409cc9f186c39a3e4ec214289795 [INFO] running `Command { std: "docker" "start" "-a" "21a4ff22768da29110caf530218f1e50559d409cc9f186c39a3e4ec214289795", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:7:39 [INFO] [stderr] | [INFO] [stderr] 7 | pub type TokenIterator = Peekable>>>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:51:19 [INFO] [stderr] | [INFO] [stderr] 51 | let iter: Box>> = Box::new(tokens.into_iter()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Function` [INFO] [stderr] --> src/typecheck.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | / Function { [INFO] [stderr] 47 | | result: Box, [INFO] [stderr] 48 | | args: Vec, [INFO] [stderr] 49 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/compiler.rs:42:38 [INFO] [stderr] | [INFO] [stderr] 42 | Expr::Error(ref e) => panic!(format!("{:?}", e)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 42 | Expr::Error(ref e) => panic!("{:?}", e), [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/compiler.rs:56:43 [INFO] [stderr] | [INFO] [stderr] 56 | Statement::Error(ref e) => panic!(format!("{:?}", e)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 56 | Statement::Error(ref e) => panic!("{:?}", e), [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: `tifflang` (bin "tifflang" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tifflang-f1c3353508772d2e) [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" "21a4ff22768da29110caf530218f1e50559d409cc9f186c39a3e4ec214289795", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21a4ff22768da29110caf530218f1e50559d409cc9f186c39a3e4ec214289795", kill_on_drop: false }` [INFO] [stdout] 21a4ff22768da29110caf530218f1e50559d409cc9f186c39a3e4ec214289795