[INFO] cloning repository https://github.com/BenMcAvoy/Jamd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenMcAvoy/Jamd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenMcAvoy%2FJamd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenMcAvoy%2FJamd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6adcaaec61a96e79f04af12fee97e66a639e7c0a
[INFO] building BenMcAvoy/Jamd against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenMcAvoy%2FJamd" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenMcAvoy/Jamd on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenMcAvoy/Jamd
[INFO] finished tweaking git repo https://github.com/BenMcAvoy/Jamd
[INFO] tweaked toml for git repo https://github.com/BenMcAvoy/Jamd written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BenMcAvoy/Jamd 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v3.0.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b0a9832f164736b72eca6573fa5523ced02f928d1d0c726fb5c9edb198a764
[INFO] running `Command { std: "docker" "start" "-a" "f6b0a9832f164736b72eca6573fa5523ced02f928d1d0c726fb5c9edb198a764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b0a9832f164736b72eca6573fa5523ced02f928d1d0c726fb5c9edb198a764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b0a9832f164736b72eca6573fa5523ced02f928d1d0c726fb5c9edb198a764", kill_on_drop: false }`
[INFO] [stdout] f6b0a9832f164736b72eca6573fa5523ced02f928d1d0c726fb5c9edb198a764
[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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d60a815125d874f29b4119f5a3bb2d22e46d4ef9a7497d5cca6a867a5c0eb7
[INFO] running `Command { std: "docker" "start" "-a" "39d60a815125d874f29b4119f5a3bb2d22e46d4ef9a7497d5cca6a867a5c0eb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v3.0.0
[INFO] [stderr]    Compiling jamd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `StatementKind` and `Statement`
[INFO] [stdout]  --> src/ast/evaluator.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     NumberExpression, Statement, StatementKind, Visitor,
[INFO] [stdout]   |                       ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow_pointers`
[INFO] [stdout]   --> src/diagnostics/printer.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let arrow_pointers = format!(
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_pointers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `values` is never read
[INFO] [stdout]  --> src/ast/evaluator.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Evaluator {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub last_value: Option<i64>,
[INFO] [stdout] 9 |     pub values: Vec<i64>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get` are never used
[INFO] [stdout]   --> src/ast/counter.rs:9:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Counter {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 9  |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn get(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_newline` is never used
[INFO] [stdout]   --> src/ast/tree.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Printer {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn add_newline(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDENT_SIZE` is never used
[INFO] [stdout]    --> src/ast/tree.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 | const INDENT_SIZE: usize = 2;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Warning` is never constructed
[INFO] [stdout]  --> src/diagnostics/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum DiagnosticKind {
[INFO] [stdout]   |          -------------- variant in this enum
[INFO] [stdout] 9 |     Warning,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/diagnostics/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub kind: DiagnosticKind,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `report_warning` is never used
[INFO] [stdout]   --> src/diagnostics/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Bag {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn report_warning(&mut self, message: String, span: TextSpan) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "39d60a815125d874f29b4119f5a3bb2d22e46d4ef9a7497d5cca6a867a5c0eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d60a815125d874f29b4119f5a3bb2d22e46d4ef9a7497d5cca6a867a5c0eb7", kill_on_drop: false }`
[INFO] [stdout] 39d60a815125d874f29b4119f5a3bb2d22e46d4ef9a7497d5cca6a867a5c0eb7
[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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29159a768ca017d68df406e0c6505e4190ad2412eb184eb415eb2230dfc64f78
[INFO] running `Command { std: "docker" "start" "-a" "29159a768ca017d68df406e0c6505e4190ad2412eb184eb415eb2230dfc64f78", kill_on_drop: false }`
[INFO] [stderr]    Compiling jamd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `StatementKind` and `Statement`
[INFO] [stdout]  --> src/ast/evaluator.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     NumberExpression, Statement, StatementKind, Visitor,
[INFO] [stdout]   |                       ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow_pointers`
[INFO] [stdout]   --> src/diagnostics/printer.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let arrow_pointers = format!(
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_pointers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `values` is never read
[INFO] [stdout]  --> src/ast/evaluator.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Evaluator {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub last_value: Option<i64>,
[INFO] [stdout] 9 |     pub values: Vec<i64>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get` are never used
[INFO] [stdout]   --> src/ast/counter.rs:9:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Counter {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 9  |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn get(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_newline` is never used
[INFO] [stdout]   --> src/ast/tree.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Printer {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn add_newline(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDENT_SIZE` is never used
[INFO] [stdout]    --> src/ast/tree.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 | const INDENT_SIZE: usize = 2;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Warning` is never constructed
[INFO] [stdout]  --> src/diagnostics/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum DiagnosticKind {
[INFO] [stdout]   |          -------------- variant in this enum
[INFO] [stdout] 9 |     Warning,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/diagnostics/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub kind: DiagnosticKind,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `report_warning` is never used
[INFO] [stdout]   --> src/diagnostics/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Bag {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn report_warning(&mut self, message: String, span: TextSpan) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "29159a768ca017d68df406e0c6505e4190ad2412eb184eb415eb2230dfc64f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29159a768ca017d68df406e0c6505e4190ad2412eb184eb415eb2230dfc64f78", kill_on_drop: false }`
[INFO] [stdout] 29159a768ca017d68df406e0c6505e4190ad2412eb184eb415eb2230dfc64f78