[INFO] cloning repository https://github.com/mzumi/writing-an-interpreter-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mzumi/writing-an-interpreter-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzumi%2Fwriting-an-interpreter-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzumi%2Fwriting-an-interpreter-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b5d30edd90e7dfb45d75ed744c330db355fa562 [INFO] checking mzumi/writing-an-interpreter-in-rust against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzumi%2Fwriting-an-interpreter-in-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mzumi/writing-an-interpreter-in-rust on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mzumi/writing-an-interpreter-in-rust [INFO] finished tweaking git repo https://github.com/mzumi/writing-an-interpreter-in-rust [INFO] tweaked toml for git repo https://github.com/mzumi/writing-an-interpreter-in-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mzumi/writing-an-interpreter-in-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d313aceb6fdb63c69dd24196645887ed371c9b2fce69654b94c71623eac41b38 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d313aceb6fdb63c69dd24196645887ed371c9b2fce69654b94c71623eac41b38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d313aceb6fdb63c69dd24196645887ed371c9b2fce69654b94c71623eac41b38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d313aceb6fdb63c69dd24196645887ed371c9b2fce69654b94c71623eac41b38", kill_on_drop: false }` [INFO] [stdout] d313aceb6fdb63c69dd24196645887ed371c9b2fce69654b94c71623eac41b38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 162b92f31f85e9a39429e44c72ba9fe91ede4c242bb1d9d2f4114a65382b1fdd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "162b92f31f85e9a39429e44c72ba9fe91ede4c242bb1d9d2f4114a65382b1fdd", kill_on_drop: false }` [INFO] [stderr] Checking writing-an-interpreter-in-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/ast.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | pub statements: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/ast.rs:20:36 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new(statements: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/let_statement.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | pub value: Option>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/let_statement.rs:11:66 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(token: Token, name: Identifier, value: Option>) -> Self { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/return_statement.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | pub return_value: Option>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/expression_statement.rs:6:32 [INFO] [stdout] | [INFO] [stdout] 6 | pub expression: Option>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:32:33 [INFO] [stdout] | [INFO] [stdout] 32 | let statements: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:49:49 [INFO] [stdout] | [INFO] [stdout] 49 | fn parse_statement(&mut self) -> Result, ParseError> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:53:35 [INFO] [stdout] | [INFO] [stdout] 53 | let s: Result, _> = Ok(Box::new(let_statement)); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:58:35 [INFO] [stdout] | [INFO] [stdout] 58 | let s: Result, _> = Ok(Box::new(return_statement)); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/ast.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | pub statements: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/ast.rs:20:36 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new(statements: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/let_statement.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | pub value: Option>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/let_statement.rs:11:66 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(token: Token, name: Identifier, value: Option>) -> Self { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/return_statement.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | pub return_value: Option>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/ast/expression_statement.rs:6:32 [INFO] [stdout] | [INFO] [stdout] 6 | pub expression: Option>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:32:33 [INFO] [stdout] | [INFO] [stdout] 32 | let statements: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:49:49 [INFO] [stdout] | [INFO] [stdout] 49 | fn parse_statement(&mut self) -> Result, ParseError> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:53:35 [INFO] [stdout] | [INFO] [stdout] 53 | let s: Result, _> = Ok(Box::new(let_statement)); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/parser/parser.rs:58:35 [INFO] [stdout] | [INFO] [stdout] 58 | let s: Result, _> = Ok(Box::new(return_statement)); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "162b92f31f85e9a39429e44c72ba9fe91ede4c242bb1d9d2f4114a65382b1fdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "162b92f31f85e9a39429e44c72ba9fe91ede4c242bb1d9d2f4114a65382b1fdd", kill_on_drop: false }` [INFO] [stdout] 162b92f31f85e9a39429e44c72ba9fe91ede4c242bb1d9d2f4114a65382b1fdd