[INFO] cloning repository https://github.com/ingakv/stack-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ingakv/stack-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingakv%2Fstack-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingakv%2Fstack-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08e9fd885755590385e2ab75bac034126b34dd88
[INFO] checking ingakv/stack-interpreter against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingakv%2Fstack-interpreter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ingakv/stack-interpreter on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ingakv/stack-interpreter
[INFO] finished tweaking git repo https://github.com/ingakv/stack-interpreter
[INFO] tweaked toml for git repo https://github.com/ingakv/stack-interpreter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ingakv/stack-interpreter 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acb4af93cade0bad3578c885f03006349a5ebfe3a5e1275810b2ba53d58c42e0
[INFO] running `Command { std: "docker" "start" "-a" "acb4af93cade0bad3578c885f03006349a5ebfe3a5e1275810b2ba53d58c42e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acb4af93cade0bad3578c885f03006349a5ebfe3a5e1275810b2ba53d58c42e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb4af93cade0bad3578c885f03006349a5ebfe3a5e1275810b2ba53d58c42e0", kill_on_drop: false }`
[INFO] [stdout] acb4af93cade0bad3578c885f03006349a5ebfe3a5e1275810b2ba53d58c42e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 369574120dac03869184e2eaaf54eb6504d7595134a526f0759da00c5bfc3d2f
[INFO] running `Command { std: "docker" "start" "-a" "369574120dac03869184e2eaaf54eb6504d7595134a526f0759da00c5bfc3d2f", kill_on_drop: false }`
[INFO] [stderr]     Checking bprog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `normal` is never used
[INFO] [stdout]   --> src/mylib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn normal() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repl` is never used
[INFO] [stdout]   --> src/mylib.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn repl() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ProgramFinishedWithMultipleValues`, `NumberConversionError`, `IncompleteString`, `IncompleteList`, and `IncompleteQuotation` are never constructed
[INFO] [stdout]   --> src/error_handling.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub(crate) enum Error {
[INFO] [stdout]    |                 ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     ProgramFinishedWithMultipleValues,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     NumberConversionError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     IncompleteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     IncompleteList,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     IncompleteQuotation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normal` is never used
[INFO] [stdout]   --> src/mylib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn normal() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repl` is never used
[INFO] [stdout]   --> src/mylib.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn repl() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ProgramFinishedWithMultipleValues`, `NumberConversionError`, `IncompleteString`, `IncompleteList`, and `IncompleteQuotation` are never constructed
[INFO] [stdout]   --> src/error_handling.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub(crate) enum Error {
[INFO] [stdout]    |                 ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     ProgramFinishedWithMultipleValues,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     NumberConversionError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     IncompleteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     IncompleteList,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     IncompleteQuotation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NumberConversionError`, `IncompleteString`, `IncompleteList`, and `IncompleteQuotation` are never constructed
[INFO] [stdout]   --> src/error_handling.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub(crate) enum Error {
[INFO] [stdout]    |                 ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     NumberConversionError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     IncompleteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     IncompleteList,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     IncompleteQuotation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NumberConversionError`, `IncompleteString`, `IncompleteList`, and `IncompleteQuotation` are never constructed
[INFO] [stdout]   --> src/error_handling.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub(crate) enum Error {
[INFO] [stdout]    |                 ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     NumberConversionError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     IncompleteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     IncompleteList,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     IncompleteQuotation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stack_to_string` is never used
[INFO] [stdout]    --> src/structs.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Stack<Type>{
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 251 |     pub fn stack_to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stack_to_string` is never used
[INFO] [stdout]    --> src/structs.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Stack<Type>{
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 251 |     pub fn stack_to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "369574120dac03869184e2eaaf54eb6504d7595134a526f0759da00c5bfc3d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369574120dac03869184e2eaaf54eb6504d7595134a526f0759da00c5bfc3d2f", kill_on_drop: false }`
[INFO] [stdout] 369574120dac03869184e2eaaf54eb6504d7595134a526f0759da00c5bfc3d2f