[INFO] cloning repository https://github.com/jameslzhu/telescope [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jameslzhu/telescope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameslzhu%2Ftelescope", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameslzhu%2Ftelescope'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec4111a0e25e9d6220ce9ac84b0b17addce90fc2 [INFO] checking jameslzhu/telescope against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameslzhu%2Ftelescope" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jameslzhu/telescope 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/jameslzhu/telescope [INFO] finished tweaking git repo https://github.com/jameslzhu/telescope [INFO] tweaked toml for git repo https://github.com/jameslzhu/telescope written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jameslzhu/telescope 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 float-cmp v0.2.4 [INFO] [stderr] Downloaded log v0.3.8 [INFO] [stderr] Downloaded unicode-width v0.1.4 [INFO] [stderr] Downloaded rustyline v1.0.0 [INFO] [stderr] Downloaded atty v0.2.2 [INFO] [stderr] Downloaded term_size v0.3.0 [INFO] [stderr] Downloaded vec_map v0.8.0 [INFO] [stderr] Downloaded ascii v0.7.1 [INFO] [stderr] Downloaded textwrap v0.8.0 [INFO] [stderr] Downloaded derive-error-chain v0.11.0 [INFO] [stderr] Downloaded byteorder v1.1.0 [INFO] [stderr] Downloaded combine v2.5.1 [INFO] [stderr] Downloaded clap v2.26.2 [INFO] [stderr] Downloaded backtrace-sys v0.1.12 [INFO] [stderr] Downloaded backtrace v0.3.3 [INFO] [stderr] Downloaded num-traits v0.1.40 [INFO] [stderr] Downloaded num v0.1.40 [INFO] [stderr] Downloaded libc v0.2.30 [INFO] [stderr] Downloaded dbghelp-sys v0.2.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.5 [INFO] [stderr] Downloaded num-iter v0.1.34 [INFO] [stderr] Downloaded num-integer v0.1.35 [INFO] [stderr] Downloaded itertools v0.6.2 [INFO] [stderr] Downloaded quickcheck v0.4.1 [INFO] [stderr] Downloaded encode_unicode v0.1.3 [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] a479a90edadaa8ad30642e2e6104c8446b9f39318076b94f0ea9de60c4eda81f [INFO] running `Command { std: "docker" "start" "-a" "a479a90edadaa8ad30642e2e6104c8446b9f39318076b94f0ea9de60c4eda81f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a479a90edadaa8ad30642e2e6104c8446b9f39318076b94f0ea9de60c4eda81f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a479a90edadaa8ad30642e2e6104c8446b9f39318076b94f0ea9de60c4eda81f", kill_on_drop: false }` [INFO] [stdout] a479a90edadaa8ad30642e2e6104c8446b9f39318076b94f0ea9de60c4eda81f [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] aae85a16d0fea13783844f32790b6bbceb4c765877fba3355b3c558481657a21 [INFO] running `Command { std: "docker" "start" "-a" "aae85a16d0fea13783844f32790b6bbceb4c765877fba3355b3c558481657a21", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking textwrap v0.8.0 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking either v1.1.0 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking itertools v0.6.2 [INFO] [stderr] Compiling backtrace-sys v0.1.12 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Checking clap v2.26.2 [INFO] [stderr] Checking combine v2.5.1 [INFO] [stderr] Checking float-cmp v0.2.4 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Compiling derive-error-chain v0.11.0 [INFO] [stderr] Checking backtrace v0.3.3 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking telescope v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rustyline` is imported redundantly [INFO] [stdout] --> src/buffer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rustyline; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | extern crate rustyline; [INFO] [stdout] | ----------------------- the item `rustyline` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `combine` is imported redundantly [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use combine; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | extern crate combine; [INFO] [stdout] | --------------------- the item `combine` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/forms.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / lazy_static! { [INFO] [stdout] 10 | | static ref SPECIAL_FORMS: HashMap<&'static str, Lambda> = { [INFO] [stdout] 11 | | let forms: Vec<(&'static str, Lambda)> = vec![ [INFO] [stdout] 12 | | ("def", def_form), [INFO] [stdout] ... | [INFO] [stdout] 23 | | }; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/forms.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / lazy_static! { [INFO] [stdout] 10 | | static ref SPECIAL_FORMS: HashMap<&'static str, Lambda> = { [INFO] [stdout] 11 | | let forms: Vec<(&'static str, Lambda)> = vec![ [INFO] [stdout] 12 | | ("def", def_form), [INFO] [stdout] ... | [INFO] [stdout] 23 | | }; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rustyline` is imported redundantly [INFO] [stdout] --> src/buffer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rustyline; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | extern crate rustyline; [INFO] [stdout] | ----------------------- the item `rustyline` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `combine` is imported redundantly [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use combine; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | extern crate combine; [INFO] [stdout] | --------------------- the item `combine` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/forms.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / lazy_static! { [INFO] [stdout] 10 | | static ref SPECIAL_FORMS: HashMap<&'static str, Lambda> = { [INFO] [stdout] 11 | | let forms: Vec<(&'static str, Lambda)> = vec![ [INFO] [stdout] 12 | | ("def", def_form), [INFO] [stdout] ... | [INFO] [stdout] 23 | | }; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/forms.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / lazy_static! { [INFO] [stdout] 10 | | static ref SPECIAL_FORMS: HashMap<&'static str, Lambda> = { [INFO] [stdout] 11 | | let forms: Vec<(&'static str, Lambda)> = vec![ [INFO] [stdout] 12 | | ("def", def_form), [INFO] [stdout] ... | [INFO] [stdout] 23 | | }; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lexer.rs:137:37 [INFO] [stdout] | [INFO] [stdout] 137 | Ok(x) => assert!(false, format!("0.0 parsed as {}", x.0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 137 - Ok(x) => assert!(false, format!("0.0 parsed as {}", x.0)), [INFO] [stdout] 137 + Ok(x) => assert!(false, "0.0 parsed as {}", x.0), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lexer.rs:138:38 [INFO] [stdout] | [INFO] [stdout] 138 | Err(e) => assert!(false, format!("0.0 parsed as {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 138 - Err(e) => assert!(false, format!("0.0 parsed as {}", e)), [INFO] [stdout] 138 + Err(e) => assert!(false, "0.0 parsed as {}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.87s [INFO] running `Command { std: "docker" "inspect" "aae85a16d0fea13783844f32790b6bbceb4c765877fba3355b3c558481657a21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aae85a16d0fea13783844f32790b6bbceb4c765877fba3355b3c558481657a21", kill_on_drop: false }` [INFO] [stdout] aae85a16d0fea13783844f32790b6bbceb4c765877fba3355b3c558481657a21