[INFO] cloning repository https://github.com/gfreezy/dump-cat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/dump-cat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fdump-cat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fdump-cat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6ba900acefc5df661003c7629a67f2f159fb65f [INFO] checking gfreezy/dump-cat against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fdump-cat" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gfreezy/dump-cat 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/gfreezy/dump-cat [INFO] finished tweaking git repo https://github.com/gfreezy/dump-cat [INFO] tweaked toml for git repo https://github.com/gfreezy/dump-cat written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gfreezy/dump-cat 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 darling v0.8.6 [INFO] [stderr] Downloaded darling_macro v0.8.6 [INFO] [stderr] Downloaded derive_builder_core v0.4.1 [INFO] [stderr] Downloaded derive_builder v0.7.1 [INFO] [stderr] Downloaded darling_core v0.8.6 [INFO] [stderr] Downloaded libc v0.2.49 [INFO] [stderr] Downloaded evalexpr v4.1.0 [INFO] [stderr] Downloaded cc v1.0.29 [INFO] [stderr] Downloaded redox_syscall v0.1.51 [INFO] [stderr] Downloaded snap v0.2.5 [INFO] [stderr] Downloaded crossbeam v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] afdbe2eac075665099bc425e26bfe33ba6e406aff1001616b05451f3e3cea92f [INFO] running `Command { std: "docker" "start" "-a" "afdbe2eac075665099bc425e26bfe33ba6e406aff1001616b05451f3e3cea92f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afdbe2eac075665099bc425e26bfe33ba6e406aff1001616b05451f3e3cea92f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afdbe2eac075665099bc425e26bfe33ba6e406aff1001616b05451f3e3cea92f", kill_on_drop: false }` [INFO] [stdout] afdbe2eac075665099bc425e26bfe33ba6e406aff1001616b05451f3e3cea92f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ab486ec0364c65d356b1ab8fb20352ecff04db824780ac1d6b267b6d9eabd0c5 [INFO] running `Command { std: "docker" "start" "-a" "ab486ec0364c65d356b1ab8fb20352ecff04db824780ac1d6b267b6d9eabd0c5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.49 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling cc v1.0.29 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling regex v1.1.5 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling derive_builder v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking evalexpr v4.1.0 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Compiling darling_core v0.8.6 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking structopt v0.2.15 [INFO] [stderr] Compiling darling_macro v0.8.6 [INFO] [stderr] Compiling darling v0.8.6 [INFO] [stderr] Compiling derive_builder_core v0.4.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking dump-cat v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `format_message_id`, `discard`, `process_loss`, and `hit_sample` are never read [INFO] [stdout] --> src/message_tree.rs:290:9 [INFO] [stdout] | [INFO] [stdout] 278 | pub struct MessageTree { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 290 | pub format_message_id: MessageId, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 291 | pub discard: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 292 | pub process_loss: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 293 | pub hit_sample: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:61:26 [INFO] [stdout] | [INFO] [stdout] 61 | Err(s) => panic!(s), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 61 | Err(s) => panic!("{}", s), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `format_message_id`, `discard`, `process_loss`, and `hit_sample` are never read [INFO] [stdout] --> src/message_tree.rs:290:9 [INFO] [stdout] | [INFO] [stdout] 278 | pub struct MessageTree { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 290 | pub format_message_id: MessageId, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 291 | pub discard: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 292 | pub process_loss: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 293 | pub hit_sample: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:61:26 [INFO] [stdout] | [INFO] [stdout] 61 | Err(s) => panic!(s), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 61 | Err(s) => panic!("{}", s), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "ab486ec0364c65d356b1ab8fb20352ecff04db824780ac1d6b267b6d9eabd0c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab486ec0364c65d356b1ab8fb20352ecff04db824780ac1d6b267b6d9eabd0c5", kill_on_drop: false }` [INFO] [stdout] ab486ec0364c65d356b1ab8fb20352ecff04db824780ac1d6b267b6d9eabd0c5