[INFO] fetching crate kara 0.1.0... [INFO] testing kara-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate kara 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate kara 0.1.0 [INFO] finished tweaking crates.io crate kara 0.1.0 [INFO] tweaked toml for crates.io crate kara 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kara 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate kara 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1ea749bd9ca7064ccc916120a511145336e6258692bafbeed2c218c5a1d311b [INFO] running `Command { std: "docker" "start" "-a" "e1ea749bd9ca7064ccc916120a511145336e6258692bafbeed2c218c5a1d311b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1ea749bd9ca7064ccc916120a511145336e6258692bafbeed2c218c5a1d311b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1ea749bd9ca7064ccc916120a511145336e6258692bafbeed2c218c5a1d311b", kill_on_drop: false }` [INFO] [stdout] e1ea749bd9ca7064ccc916120a511145336e6258692bafbeed2c218c5a1d311b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 118fce4ac88284fbeec16f738b90852dc27ddec2a20452c7d7e4cd16a15ce4b5 [INFO] running `Command { std: "docker" "start" "-a" "118fce4ac88284fbeec16f738b90852dc27ddec2a20452c7d7e4cd16a15ce4b5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling arrayvec v0.7.4 [INFO] [stderr] Compiling peeking_take_while v1.0.0 [INFO] [stderr] Compiling strum v0.25.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Compiling strum_macros v0.25.1 [INFO] [stderr] Compiling kara v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | vm.interpret(&chunk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = vm.interpret(&chunk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex.rs:67:20 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn lex(source: &str) -> Result, VmError> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn lex(source: &str) -> Result>, VmError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s [INFO] running `Command { std: "docker" "inspect" "118fce4ac88284fbeec16f738b90852dc27ddec2a20452c7d7e4cd16a15ce4b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "118fce4ac88284fbeec16f738b90852dc27ddec2a20452c7d7e4cd16a15ce4b5", kill_on_drop: false }` [INFO] [stdout] 118fce4ac88284fbeec16f738b90852dc27ddec2a20452c7d7e4cd16a15ce4b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea1d341376695521d42053207d2e74c134c60792209b42060a28f52edd48813b [INFO] running `Command { std: "docker" "start" "-a" "ea1d341376695521d42053207d2e74c134c60792209b42060a28f52edd48813b", kill_on_drop: false }` [INFO] [stderr] Compiling kara v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | vm.interpret(&chunk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = vm.interpret(&chunk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lex.rs:67:20 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn lex(source: &str) -> Result, VmError> { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn lex(source: &str) -> Result>, VmError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "ea1d341376695521d42053207d2e74c134c60792209b42060a28f52edd48813b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea1d341376695521d42053207d2e74c134c60792209b42060a28f52edd48813b", kill_on_drop: false }` [INFO] [stdout] ea1d341376695521d42053207d2e74c134c60792209b42060a28f52edd48813b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 50319c71042cd9a5d8b3788c3fc202a15d82fcaf35ab379b724d0b8d97f0f94e [INFO] running `Command { std: "docker" "start" "-a" "50319c71042cd9a5d8b3788c3fc202a15d82fcaf35ab379b724d0b8d97f0f94e", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | vm.interpret(&chunk); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 35 | let _ = vm.interpret(&chunk); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lex.rs:67:20 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn lex(source: &str) -> Result, VmError> { [INFO] [stderr] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 67 | pub fn lex(source: &str) -> Result>, VmError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `kara` (bin "kara" test) generated 2 warnings (run `cargo fix --bin "kara" -p kara --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kara-17b7cc184795c161) [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" "50319c71042cd9a5d8b3788c3fc202a15d82fcaf35ab379b724d0b8d97f0f94e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50319c71042cd9a5d8b3788c3fc202a15d82fcaf35ab379b724d0b8d97f0f94e", kill_on_drop: false }` [INFO] [stdout] 50319c71042cd9a5d8b3788c3fc202a15d82fcaf35ab379b724d0b8d97f0f94e