[INFO] cloning repository https://github.com/msiemens/RusTiny
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msiemens/RusTiny" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2FRusTiny", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2FRusTiny'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 972aae63c38d19d30e9cbae1d87547001f562a42
[INFO] checking msiemens/RusTiny against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2FRusTiny" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/msiemens/RusTiny
[INFO] finished tweaking git repo https://github.com/msiemens/RusTiny
[INFO] tweaked toml for git repo https://github.com/msiemens/RusTiny written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/msiemens/RusTiny on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/msiemens/RusTiny 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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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 term v0.6.1
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.9
[INFO] [stderr]   Downloaded pretty_assertions v0.3.4
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b63f7261f89fc5ae83386edf35ce4c99f9ea2755fcdb719896dc16c3674589d6
[INFO] running `Command { std: "docker" "start" "-a" "b63f7261f89fc5ae83386edf35ce4c99f9ea2755fcdb719896dc16c3674589d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b63f7261f89fc5ae83386edf35ce4c99f9ea2755fcdb719896dc16c3674589d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63f7261f89fc5ae83386edf35ce4c99f9ea2755fcdb719896dc16c3674589d6", kill_on_drop: false }`
[INFO] [stdout] b63f7261f89fc5ae83386edf35ce4c99f9ea2755fcdb719896dc16c3674589d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8c9c1f08f3181e0bde72111be1b14dcad972f4e81122422d9e8a2d4b720805
[INFO] running `Command { std: "docker" "start" "-a" "ce8c9c1f08f3181e0bde72111be1b14dcad972f4e81122422d9e8a2d4b720805", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: rustiny v0.0.1 (/opt/rustwide/workdir) ignoring invalid dependency `clippy` which is missing a lib target
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking pretty_assertions v0.3.4
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking rustiny v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> src/driver/mod.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone, Copy, Debug, PartialEq, RustcDecodable)]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> src/driver/mod.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone, Copy, Debug, PartialEq, RustcDecodable)]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `needless_lifetimes`
[INFO] [stdout]    --> src/back/machine/asm.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |     #[allow(needless_lifetimes)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `needless_lifetimes`
[INFO] [stdout]    --> src/back/machine/asm.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |     #[allow(needless_lifetimes)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/driver/symbol_table.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .try_insert(name, symbol)
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `TryInsert::try_insert(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(map_try_insert)]` to the crate attributes to enable `HashMap::<K, V, S, A>::try_insert`
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 + #![feature(map_try_insert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/driver/symbol_table.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .try_insert(scope, BlockScope::new())
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `TryInsert::try_insert(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(map_try_insert)]` to the crate attributes to enable `HashMap::<K, V, S, A>::try_insert`
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 + #![feature(map_try_insert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/driver/symbol_table.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |         vars.try_insert(
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `TryInsert::try_insert(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(map_try_insert)]` to the crate attributes to enable `HashMap::<K, V, S, A>::try_insert`
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 + #![feature(map_try_insert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/driver/symbol_table.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .try_insert(name, symbol)
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `TryInsert::try_insert(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(map_try_insert)]` to the crate attributes to enable `HashMap::<K, V, S, A>::try_insert`
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 + #![feature(map_try_insert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/driver/symbol_table.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .try_insert(scope, BlockScope::new())
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `TryInsert::try_insert(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(map_try_insert)]` to the crate attributes to enable `HashMap::<K, V, S, A>::try_insert`
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 + #![feature(map_try_insert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/driver/symbol_table.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |         vars.try_insert(
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `TryInsert::try_insert(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(map_try_insert)]` to the crate attributes to enable `HashMap::<K, V, S, A>::try_insert`
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 + #![feature(map_try_insert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/middle/ir/trans/mod.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |           assert_ne!(block.last, ir::ControlFlowInstruction::NotYetProcessed);
[INFO] [stdout]     |           ------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 212 |
[INFO] [stdout] 213 | /         let mut new_block = ir::Block {
[INFO] [stdout] 214 | |             label,
[INFO] [stdout] 215 | |             inst: VecDeque::new(),
[INFO] [stdout] 216 | |             last: ir::ControlFlowInstruction::NotYetProcessed,
[INFO] [stdout] 217 | |             phis: Vec::new(),
[INFO] [stdout] 218 | |         };
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustiny` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/middle/ir/trans/mod.rs:209:68
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn commit_block_and_continue(&mut self, block: &mut ir::Block, label: ir::Label) {
[INFO] [stdout]     |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout]   3 | #![warn(unused_variables)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustiny` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ce8c9c1f08f3181e0bde72111be1b14dcad972f4e81122422d9e8a2d4b720805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8c9c1f08f3181e0bde72111be1b14dcad972f4e81122422d9e8a2d4b720805", kill_on_drop: false }`
[INFO] [stdout] ce8c9c1f08f3181e0bde72111be1b14dcad972f4e81122422d9e8a2d4b720805
