[INFO] fetching crate lyricer 1.0.3...
[INFO] checking lyricer-1.0.3 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate lyricer 1.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lyricer 1.0.3
[INFO] finished tweaking crates.io crate lyricer 1.0.3
[INFO] tweaked toml for crates.io crate lyricer 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lyricer 1.0.3 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lyricer 1.0.3 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 096dbb8255b4d1ccd7affa8c4195d0edc0f8e2c98fa2b4790069c74b2e6394ac
[INFO] running `Command { std: "docker" "start" "-a" "096dbb8255b4d1ccd7affa8c4195d0edc0f8e2c98fa2b4790069c74b2e6394ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "096dbb8255b4d1ccd7affa8c4195d0edc0f8e2c98fa2b4790069c74b2e6394ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096dbb8255b4d1ccd7affa8c4195d0edc0f8e2c98fa2b4790069c74b2e6394ac", kill_on_drop: false }`
[INFO] [stdout] 096dbb8255b4d1ccd7affa8c4195d0edc0f8e2c98fa2b4790069c74b2e6394ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45786f8d7b99ac2b479b922102f43c88aba4682a1557d6406aac52f07ba9ccd
[INFO] running `Command { std: "docker" "start" "-a" "c45786f8d7b99ac2b479b922102f43c88aba4682a1557d6406aac52f07ba9ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]    Compiling derive_is_enum_variant v0.1.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling darling_core v0.4.0
[INFO] [stderr]    Compiling darling_macro v0.4.0
[INFO] [stderr]    Compiling darling v0.4.0
[INFO] [stderr]    Compiling from_variants_impl v0.3.0
[INFO] [stderr]     Checking from_variants v0.3.0
[INFO] [stderr]     Checking mpris v1.1.2
[INFO] [stderr]     Checking lyricer v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]  --> src/lyric.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Lyric {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     pub metadata: std::collections::HashMap<Box<str>, Box<str>>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Lyric` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]  --> src/lyric.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Lyric {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     pub metadata: std::collections::HashMap<Box<str>, Box<str>>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Lyric` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15, syn v0.13.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c45786f8d7b99ac2b479b922102f43c88aba4682a1557d6406aac52f07ba9ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45786f8d7b99ac2b479b922102f43c88aba4682a1557d6406aac52f07ba9ccd", kill_on_drop: false }`
[INFO] [stdout] c45786f8d7b99ac2b479b922102f43c88aba4682a1557d6406aac52f07ba9ccd