[INFO] fetching crate steel-cent 0.2.3... [INFO] checking steel-cent-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate steel-cent 0.2.3 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate steel-cent 0.2.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate steel-cent 0.2.3 [INFO] finished tweaking crates.io crate steel-cent 0.2.3 [INFO] tweaked toml for crates.io crate steel-cent 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 30 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding csv v0.15.0 (latest: v1.3.0) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding memchr v1.0.2 (latest: v2.7.2) [INFO] [stderr] Adding quickcheck v0.3.2 (latest: v1.0.3) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50bf393d77f26f218794a5c288b13679188832f0da6fe245256618855dd36c68 [INFO] running `Command { std: "docker" "start" "-a" "50bf393d77f26f218794a5c288b13679188832f0da6fe245256618855dd36c68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50bf393d77f26f218794a5c288b13679188832f0da6fe245256618855dd36c68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50bf393d77f26f218794a5c288b13679188832f0da6fe245256618855dd36c68", kill_on_drop: false }` [INFO] [stdout] 50bf393d77f26f218794a5c288b13679188832f0da6fe245256618855dd36c68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3141d1614b62cf51fdc89f4607f009922e0511a83315d9b08b36c40aec84757 [INFO] running `Command { std: "docker" "start" "-a" "b3141d1614b62cf51fdc89f4607f009922e0511a83315d9b08b36c40aec84757", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Compiling csv v0.15.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling steel-cent v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.3.2 [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/money.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | use std::cmp::{Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/money.rs:366:37 [INFO] [stdout] | [INFO] [stdout] 366 | Ok(Self::of_minor(currency, try!(unformatted_minor_amount.parse::()))) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/small_money.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | use std::cmp::{Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/small_money.rs:369:37 [INFO] [stdout] | [INFO] [stdout] 369 | Ok(Self::of_minor(currency, try!(unformatted_minor_amount.parse::()))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/formatting.rs:332:14 [INFO] [stdout] | [INFO] [stdout] 332 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `currency` is imported redundantly [INFO] [stdout] --> src/formatting.rs:531:9 [INFO] [stdout] | [INFO] [stdout] 531 | use currency; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 532 | use super::*; [INFO] [stdout] | -------- the item `currency` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ParseErrorKind` is imported redundantly [INFO] [stdout] --> src/formatting.rs:533:9 [INFO] [stdout] | [INFO] [stdout] 532 | use super::*; [INFO] [stdout] | -------- the item `ParseErrorKind` is already imported here [INFO] [stdout] 533 | use super::ParseErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/money.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | use std::cmp::{Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/money.rs:366:37 [INFO] [stdout] | [INFO] [stdout] 366 | Ok(Self::of_minor(currency, try!(unformatted_minor_amount.parse::()))) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/small_money.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | use std::cmp::{Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/small_money.rs:369:37 [INFO] [stdout] | [INFO] [stdout] 369 | Ok(Self::of_minor(currency, try!(unformatted_minor_amount.parse::()))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/formatting.rs:332:14 [INFO] [stdout] | [INFO] [stdout] 332 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/money.rs:807:80 [INFO] [stdout] | [INFO] [stdout] 807 | assert_eq!("invalid digit found in string", parse_failure.unwrap_err().description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `Command { std: "docker" "inspect" "b3141d1614b62cf51fdc89f4607f009922e0511a83315d9b08b36c40aec84757", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3141d1614b62cf51fdc89f4607f009922e0511a83315d9b08b36c40aec84757", kill_on_drop: false }` [INFO] [stdout] b3141d1614b62cf51fdc89f4607f009922e0511a83315d9b08b36c40aec84757 [INFO] checking steel-cent-0.2.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate steel-cent 0.2.3 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate steel-cent 0.2.3 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate steel-cent 0.2.3 [INFO] finished tweaking crates.io crate steel-cent 0.2.3 [INFO] tweaked toml for crates.io crate steel-cent 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bdf91a1dcb62f4c3e5dcf838b92be1c461e0a861a407eb1abfe16bcf648a8f81 [INFO] running `Command { std: "docker" "start" "-a" "bdf91a1dcb62f4c3e5dcf838b92be1c461e0a861a407eb1abfe16bcf648a8f81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bdf91a1dcb62f4c3e5dcf838b92be1c461e0a861a407eb1abfe16bcf648a8f81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdf91a1dcb62f4c3e5dcf838b92be1c461e0a861a407eb1abfe16bcf648a8f81", kill_on_drop: false }` [INFO] [stdout] bdf91a1dcb62f4c3e5dcf838b92be1c461e0a861a407eb1abfe16bcf648a8f81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03430f44de2022e88a33497fce25af5d9c21c71d6a92633a1504041c60ed7701 [INFO] running `Command { std: "docker" "start" "-a" "03430f44de2022e88a33497fce25af5d9c21c71d6a92633a1504041c60ed7701", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20 [INFO] [stdout] | [INFO] [stdout] 1387 | _ => { panic!(); } [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.80/src/exec.rs:726:13 [INFO] [stdout] | [INFO] [stdout] 726 | / match dfa::Fsm::reverse( [INFO] [stdout] 727 | | &self.ro.dfa_reverse, [INFO] [stdout] 728 | | &self.cache, [INFO] [stdout] 729 | | false, [INFO] [stdout] ... | [INFO] [stdout] 736 | | Quit => return Some(Quit), [INFO] [stdout] 737 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "03430f44de2022e88a33497fce25af5d9c21c71d6a92633a1504041c60ed7701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03430f44de2022e88a33497fce25af5d9c21c71d6a92633a1504041c60ed7701", kill_on_drop: false }` [INFO] [stdout] 03430f44de2022e88a33497fce25af5d9c21c71d6a92633a1504041c60ed7701