[INFO] cloning repository https://github.com/ConradKhakhria/liszp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConradKhakhria/liszp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradKhakhria%2Fliszp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradKhakhria%2Fliszp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c9b04b931d42983ce36965cace382cfb1d70a07e [INFO] checking ConradKhakhria/liszp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradKhakhria%2Fliszp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ConradKhakhria/liszp on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ConradKhakhria/liszp [INFO] finished tweaking git repo https://github.com/ConradKhakhria/liszp [INFO] tweaked toml for git repo https://github.com/ConradKhakhria/liszp written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ConradKhakhria/liszp 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded az v1.1.1 [INFO] [stderr] Downloaded rug v1.12.0 [INFO] [stderr] Downloaded gmp-mpfr-sys v1.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f339a0da6750b975b3e4e47d6d0fc8a2df961309c4a37febaa0d399f2cbc3155 [INFO] running `Command { std: "docker" "start" "-a" "f339a0da6750b975b3e4e47d6d0fc8a2df961309c4a37febaa0d399f2cbc3155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f339a0da6750b975b3e4e47d6d0fc8a2df961309c4a37febaa0d399f2cbc3155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f339a0da6750b975b3e4e47d6d0fc8a2df961309c4a37febaa0d399f2cbc3155", kill_on_drop: false }` [INFO] [stdout] f339a0da6750b975b3e4e47d6d0fc8a2df961309c4a37febaa0d399f2cbc3155 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfd37fff7bbf4253c9636808882c9863a0af2ff444dfb5cecc32c5b7e78525fd [INFO] running `Command { std: "docker" "start" "-a" "cfd37fff7bbf4253c9636808882c9863a0af2ff444dfb5cecc32c5b7e78525fd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling gmp-mpfr-sys v1.4.5 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling az v1.1.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling rug v1.12.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Checking snafu v0.6.10 [INFO] [stderr] Checking liszp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/eval/operators.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/read.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/eval/operators.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/read.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/error.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let message = Rc::clone(&self.message); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/error.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let message = Rc::clone(&self.message); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 11s [INFO] running `Command { std: "docker" "inspect" "cfd37fff7bbf4253c9636808882c9863a0af2ff444dfb5cecc32c5b7e78525fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfd37fff7bbf4253c9636808882c9863a0af2ff444dfb5cecc32c5b7e78525fd", kill_on_drop: false }` [INFO] [stdout] cfd37fff7bbf4253c9636808882c9863a0af2ff444dfb5cecc32c5b7e78525fd [INFO] checking ConradKhakhria/liszp against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradKhakhria%2Fliszp" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ConradKhakhria/liszp on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ConradKhakhria/liszp [INFO] finished tweaking git repo https://github.com/ConradKhakhria/liszp [INFO] tweaked toml for git repo https://github.com/ConradKhakhria/liszp written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ConradKhakhria/liszp 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79d147d57b8a1b3c51ea104f2527f4370b3224d3e51101a3a654cf67c52417aa [INFO] running `Command { std: "docker" "start" "-a" "79d147d57b8a1b3c51ea104f2527f4370b3224d3e51101a3a654cf67c52417aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79d147d57b8a1b3c51ea104f2527f4370b3224d3e51101a3a654cf67c52417aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79d147d57b8a1b3c51ea104f2527f4370b3224d3e51101a3a654cf67c52417aa", kill_on_drop: false }` [INFO] [stdout] 79d147d57b8a1b3c51ea104f2527f4370b3224d3e51101a3a654cf67c52417aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4285b5d1cc10606bd7bd9ffdd11c14d3ceb6d72edf859c703f8ec585eec067bb [INFO] running `Command { std: "docker" "start" "-a" "4285b5d1cc10606bd7bd9ffdd11c14d3ceb6d72edf859c703f8ec585eec067bb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling gmp-mpfr-sys v1.4.5 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling az v1.1.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling rug v1.12.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Checking snafu v0.6.10 [INFO] [stderr] Checking liszp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/eval/operators.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/read.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/eval/operators.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rug` is imported redundantly [INFO] [stdout] --> src/read.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rug; [INFO] [stdout] | ^^^ the item `rug` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/error.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let message = Rc::clone(&self.message); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/error.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let message = Rc::clone(&self.message); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 32s [INFO] running `Command { std: "docker" "inspect" "4285b5d1cc10606bd7bd9ffdd11c14d3ceb6d72edf859c703f8ec585eec067bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4285b5d1cc10606bd7bd9ffdd11c14d3ceb6d72edf859c703f8ec585eec067bb", kill_on_drop: false }` [INFO] [stdout] 4285b5d1cc10606bd7bd9ffdd11c14d3ceb6d72edf859c703f8ec585eec067bb