[INFO] fetching crate resynth 0.1.11...
[INFO] checking resynth-0.1.11 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate resynth 0.1.11 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate resynth 0.1.11 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 resynth 0.1.11
[INFO] finished tweaking crates.io crate resynth 0.1.11
[INFO] tweaked toml for crates.io crate resynth 0.1.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate resynth 0.1.11 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v2.2.2
[INFO] [stderr]   Downloaded lazy-regex v2.2.2
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded syn v1.0.84
[INFO] [stderr]   Downloaded clap v3.2.14
[INFO] [stderr]   Downloaded pkt v0.1.11
[INFO] [stderr]   Downloaded ezpkt v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] adcf0ca8e0cd33de08660483935e72026fb4ae56ea1eccd1e054f53115e9feb8
[INFO] running `Command { std: "docker" "start" "-a" "adcf0ca8e0cd33de08660483935e72026fb4ae56ea1eccd1e054f53115e9feb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adcf0ca8e0cd33de08660483935e72026fb4ae56ea1eccd1e054f53115e9feb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcf0ca8e0cd33de08660483935e72026fb4ae56ea1eccd1e054f53115e9feb8", kill_on_drop: false }`
[INFO] [stdout] adcf0ca8e0cd33de08660483935e72026fb4ae56ea1eccd1e054f53115e9feb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 870b492c5cc4e504a7819cdd35b5b7c32dde059e5b739872fd00a3346f8f0879
[INFO] running `Command { std: "docker" "start" "-a" "870b492c5cc4e504a7819cdd35b5b7c32dde059e5b739872fd00a3346f8f0879", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking pkt v0.1.11
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ezpkt v0.1.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.2.2
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking lazy-regex v2.2.2
[INFO] [stderr]     Checking resynth v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/text.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/io.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/ipv4/tcp.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/ipv4/udp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/ipv4/icmp.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/dns.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/dhcp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/tls.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/vxlan.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/text.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/io.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/ipv4/tcp.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/ipv4/udp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/ipv4/icmp.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/dns.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/dhcp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/tls.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `func_def` is imported redundantly
[INFO] [stdout]   --> src/stdlib/vxlan.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   use crate::func_def;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/macros.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / macro_rules! func_def {
[INFO] [stdout] 7  | |     (
[INFO] [stdout] 8  | |         $name:expr
[INFO] [stdout] 9  | |         ;
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     };
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- the item `func_def` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnsignedIntegral` is never used
[INFO] [stdout]   --> src/sym.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait UnsignedIntegral {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnsignedIntegral` is never used
[INFO] [stdout]   --> src/sym.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait UnsignedIntegral {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "870b492c5cc4e504a7819cdd35b5b7c32dde059e5b739872fd00a3346f8f0879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870b492c5cc4e504a7819cdd35b5b7c32dde059e5b739872fd00a3346f8f0879", kill_on_drop: false }`
[INFO] [stdout] 870b492c5cc4e504a7819cdd35b5b7c32dde059e5b739872fd00a3346f8f0879
[INFO] checking resynth-0.1.11 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate resynth 0.1.11 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate resynth 0.1.11 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 resynth 0.1.11
[INFO] finished tweaking crates.io crate resynth 0.1.11
[INFO] tweaked toml for crates.io crate resynth 0.1.11 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate resynth 0.1.11 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cc63a052ab40e3815642087ecd652a573e3728c882659c49ebedf40736a49305
[INFO] running `Command { std: "docker" "start" "-a" "cc63a052ab40e3815642087ecd652a573e3728c882659c49ebedf40736a49305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc63a052ab40e3815642087ecd652a573e3728c882659c49ebedf40736a49305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc63a052ab40e3815642087ecd652a573e3728c882659c49ebedf40736a49305", kill_on_drop: false }`
[INFO] [stdout] cc63a052ab40e3815642087ecd652a573e3728c882659c49ebedf40736a49305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dd8e1d67e13032ed4f6cf477a2292ed392ce62ece238369eef941a5b8d65e000
[INFO] running `Command { std: "docker" "start" "-a" "dd8e1d67e13032ed4f6cf477a2292ed392ce62ece238369eef941a5b8d65e000", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking pkt v0.1.11
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ezpkt v0.1.11
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "dd8e1d67e13032ed4f6cf477a2292ed392ce62ece238369eef941a5b8d65e000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8e1d67e13032ed4f6cf477a2292ed392ce62ece238369eef941a5b8d65e000", kill_on_drop: false }`
[INFO] [stdout] dd8e1d67e13032ed4f6cf477a2292ed392ce62ece238369eef941a5b8d65e000