[INFO] fetching crate suimu 0.5.1...
[INFO] checking suimu-0.5.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate suimu 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate suimu 0.5.1 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 suimu 0.5.1
[INFO] finished tweaking crates.io crate suimu 0.5.1
[INFO] tweaked toml for crates.io crate suimu 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate suimu 0.5.1 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 humantime-serde v1.0.1
[INFO] [stderr]   Downloaded platforms v2.0.0
[INFO] [stderr]   Downloaded requestty v0.1.3
[INFO] [stderr]   Downloaded anyhow v1.0.47
[INFO] [stderr]   Downloaded abscissa_derive v0.5.0
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded color-backtrace v0.3.0
[INFO] [stderr]   Downloaded abscissa_core v0.5.2
[INFO] [stderr]   Downloaded git2 v0.13.24
[INFO] [stderr]   Downloaded gumdrop_derive v0.7.0
[INFO] [stderr]   Downloaded serde_json v1.0.71
[INFO] [stderr]   Downloaded gumdrop v0.7.0
[INFO] [stderr]   Downloaded cargo-lock v7.0.1
[INFO] [stderr]   Downloaded smartstring v0.2.9
[INFO] [stderr]   Downloaded crates-index v0.17.0
[INFO] [stderr]   Downloaded cvss v1.0.2
[INFO] [stderr]   Downloaded libgit2-sys v0.12.25+1.3.0
[INFO] [stderr]   Downloaded rustsec v0.25.1
[INFO] [stderr]   Downloaded requestty-ui v0.2.1
[INFO] [stderr]   Downloaded cargo-audit v0.16.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 14cc473cb7da81beecb18d696a6ec90b4449a39dc78c188bf7816f535591bc07
[INFO] running `Command { std: "docker" "start" "-a" "14cc473cb7da81beecb18d696a6ec90b4449a39dc78c188bf7816f535591bc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14cc473cb7da81beecb18d696a6ec90b4449a39dc78c188bf7816f535591bc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cc473cb7da81beecb18d696a6ec90b4449a39dc78c188bf7816f535591bc07", kill_on_drop: false }`
[INFO] [stdout] 14cc473cb7da81beecb18d696a6ec90b4449a39dc78c188bf7816f535591bc07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 493f6a008f02687cdd955a4d44b42e250d92758198e06d9b529f3bc4df5fdbaf
[INFO] running `Command { std: "docker" "start" "-a" "493f6a008f02687cdd955a4d44b42e250d92758198e06d9b529f3bc4df5fdbaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.47
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]     Checking fs-err v2.6.0
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.14
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[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.25+1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking requestty-ui v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking requestty v0.1.3
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking smartstring v0.2.9
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking humantime-serde v1.0.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cvss v1.0.2
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking git2 v0.13.24
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking cargo-lock v7.0.1
[INFO] [stderr]     Checking suimu v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking abscissa_core v0.5.2
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/command/build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/utils/music.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum_macros` is imported redundantly
[INFO] [stdout]   --> src/utils/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use strum_macros;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `strum_macros` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crates-index v0.17.0
[INFO] [stderr]     Checking rustsec v0.25.1
[INFO] [stderr]     Checking cargo-audit v0.16.0
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/command/build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/utils/music.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum_macros` is imported redundantly
[INFO] [stdout]   --> src/utils/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use strum_macros;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `strum_macros` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: abscissa_core v0.5.2, cargo-lock v7.0.1, cvss v1.0.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "493f6a008f02687cdd955a4d44b42e250d92758198e06d9b529f3bc4df5fdbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493f6a008f02687cdd955a4d44b42e250d92758198e06d9b529f3bc4df5fdbaf", kill_on_drop: false }`
[INFO] [stdout] 493f6a008f02687cdd955a4d44b42e250d92758198e06d9b529f3bc4df5fdbaf