[INFO] fetching crate entropy-vis 0.1.0... [INFO] checking entropy-vis-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate entropy-vis 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate entropy-vis 0.1.0 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 crates.io crate entropy-vis 0.1.0 [INFO] finished tweaking crates.io crate entropy-vis 0.1.0 [INFO] tweaked toml for crates.io crate entropy-vis 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate entropy-vis 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uuid v1.4.1 [INFO] [stderr] Downloaded terminal_size v0.3.0 [INFO] [stderr] Downloaded os_info v3.7.0 [INFO] [stderr] Downloaded anstyle-parse v0.2.1 [INFO] [stderr] Downloaded anstyle-wincon v2.1.0 [INFO] [stderr] Downloaded anstream v0.5.0 [INFO] [stderr] Downloaded anstyle v1.0.3 [INFO] [stderr] Downloaded serde_spanned v0.6.3 [INFO] [stderr] Downloaded winnow v0.5.15 [INFO] [stderr] Downloaded human-panic v1.2.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ea82b78bbc874a2e32a75e16e6a53bf46782a61e1163f2f9299ac3a494c86d2 [INFO] running `Command { std: "docker" "start" "-a" "9ea82b78bbc874a2e32a75e16e6a53bf46782a61e1163f2f9299ac3a494c86d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ea82b78bbc874a2e32a75e16e6a53bf46782a61e1163f2f9299ac3a494c86d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ea82b78bbc874a2e32a75e16e6a53bf46782a61e1163f2f9299ac3a494c86d2", kill_on_drop: false }` [INFO] [stdout] 9ea82b78bbc874a2e32a75e16e6a53bf46782a61e1163f2f9299ac3a494c86d2 [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" "-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] b0ca87e3f3aaf0f90e6be04fc15826908a346d212f0901c4780cb21a0d45d6c0 [INFO] running `Command { std: "docker" "start" "-a" "b0ca87e3f3aaf0f90e6be04fc15826908a346d212f0901c4780cb21a0d45d6c0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Compiling rustix v0.38.14 [INFO] [stderr] Checking linux-raw-sys v0.4.7 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking winnow v0.5.15 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking gimli v0.28.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking serde_spanned v0.6.3 [INFO] [stderr] Checking toml_datetime v0.6.3 [INFO] [stderr] Checking os_info v3.7.0 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking human-panic v1.2.0 [INFO] [stderr] Checking entropy-vis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.85s [INFO] running `Command { std: "docker" "inspect" "b0ca87e3f3aaf0f90e6be04fc15826908a346d212f0901c4780cb21a0d45d6c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0ca87e3f3aaf0f90e6be04fc15826908a346d212f0901c4780cb21a0d45d6c0", kill_on_drop: false }` [INFO] [stdout] b0ca87e3f3aaf0f90e6be04fc15826908a346d212f0901c4780cb21a0d45d6c0 [INFO] checking entropy-vis-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate entropy-vis 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate entropy-vis 0.1.0 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 crates.io crate entropy-vis 0.1.0 [INFO] finished tweaking crates.io crate entropy-vis 0.1.0 [INFO] tweaked toml for crates.io crate entropy-vis 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate entropy-vis 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dcd015ecbe58cbda0c321414a7de6a77f7d0863f7574b8bc9b774762416a845f [INFO] running `Command { std: "docker" "start" "-a" "dcd015ecbe58cbda0c321414a7de6a77f7d0863f7574b8bc9b774762416a845f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcd015ecbe58cbda0c321414a7de6a77f7d0863f7574b8bc9b774762416a845f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcd015ecbe58cbda0c321414a7de6a77f7d0863f7574b8bc9b774762416a845f", kill_on_drop: false }` [INFO] [stdout] dcd015ecbe58cbda0c321414a7de6a77f7d0863f7574b8bc9b774762416a845f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2ba4fee9b3f11411eefa0af3790a2e1299c80c4d904839bccddfeb75c0e8e375 [INFO] running `Command { std: "docker" "start" "-a" "2ba4fee9b3f11411eefa0af3790a2e1299c80c4d904839bccddfeb75c0e8e375", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Compiling rustix v0.38.14 [INFO] [stderr] Checking linux-raw-sys v0.4.7 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking gimli v0.28.0 [INFO] [stderr] Checking winnow v0.5.15 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking toml_datetime v0.6.3 [INFO] [stderr] Checking serde_spanned v0.6.3 [INFO] [stderr] Checking os_info v3.7.0 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking human-panic v1.2.0 [INFO] [stderr] Checking entropy-vis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.77s [INFO] running `Command { std: "docker" "inspect" "2ba4fee9b3f11411eefa0af3790a2e1299c80c4d904839bccddfeb75c0e8e375", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ba4fee9b3f11411eefa0af3790a2e1299c80c4d904839bccddfeb75c0e8e375", kill_on_drop: false }` [INFO] [stdout] 2ba4fee9b3f11411eefa0af3790a2e1299c80c4d904839bccddfeb75c0e8e375