[INFO] cloning repository https://github.com/LawnGnome/git2cvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LawnGnome/git2cvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLawnGnome%2Fgit2cvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLawnGnome%2Fgit2cvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd5be24bd082cd05fe2d6887c65ff39310236934
[INFO] checking LawnGnome/git2cvs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLawnGnome%2Fgit2cvs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LawnGnome/git2cvs 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 git repo https://github.com/LawnGnome/git2cvs
[INFO] finished tweaking git repo https://github.com/LawnGnome/git2cvs
[INFO] tweaked toml for git repo https://github.com/LawnGnome/git2cvs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LawnGnome/git2cvs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysconf v0.3.4
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded subprocess v0.2.7
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded refinery-macros v0.6.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded refinery-core v0.6.0
[INFO] [stderr]   Downloaded fallible-streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded hashlink v0.7.0
[INFO] [stderr]   Downloaded jobserver v0.1.23
[INFO] [stderr]   Downloaded siphasher v0.3.6
[INFO] [stderr]   Downloaded async-trait v0.1.51
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded git2 v0.13.20
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded libssh2-sys v0.2.21
[INFO] [stderr]   Downloaded libc v0.2.99
[INFO] [stderr]   Downloaded rusqlite v0.25.3
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.65
[INFO] [stderr]   Downloaded tinyvec v1.3.1
[INFO] [stderr]   Downloaded ahash v0.7.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded libsqlite3-sys v0.22.2
[INFO] [stderr]   Downloaded refinery v0.6.0
[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] 12aeebd19877a0d502af26eb4629a545762ed6ef21b9368e4f7d637fc40e1fa1
[INFO] running `Command { std: "docker" "start" "-a" "12aeebd19877a0d502af26eb4629a545762ed6ef21b9368e4f7d637fc40e1fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12aeebd19877a0d502af26eb4629a545762ed6ef21b9368e4f7d637fc40e1fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12aeebd19877a0d502af26eb4629a545762ed6ef21b9368e4f7d637fc40e1fa1", kill_on_drop: false }`
[INFO] [stdout] 12aeebd19877a0d502af26eb4629a545762ed6ef21b9368e4f7d637fc40e1fa1
[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] 05fed9d909e255ea0177ab06eeea03ffaf0bcbbdc8dfb2d85a785fbded63a39c
[INFO] running `Command { std: "docker" "start" "-a" "05fed9d909e255ea0177ab06eeea03ffaf0bcbbdc8dfb2d85a785fbded63a39c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.23
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling rusqlite v0.25.3
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking subprocess v0.2.7
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking git2 v0.13.20
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking refinery-core v0.6.0
[INFO] [stderr]    Compiling refinery-macros v0.6.0
[INFO] [stderr]     Checking refinery v0.6.0
[INFO] [stderr]     Checking git2cvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]    --> src/cvs.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Repository {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn remove(&self, path: &OsStr) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/git.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Branch<'_> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn name(&self) -> anyhow::Result<&str> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]    --> src/cvs.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Repository {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn remove(&self, path: &OsStr) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/git.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Branch<'_> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn name(&self) -> anyhow::Result<&str> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: refinery-core v0.6.0
[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" "05fed9d909e255ea0177ab06eeea03ffaf0bcbbdc8dfb2d85a785fbded63a39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fed9d909e255ea0177ab06eeea03ffaf0bcbbdc8dfb2d85a785fbded63a39c", kill_on_drop: false }`
[INFO] [stdout] 05fed9d909e255ea0177ab06eeea03ffaf0bcbbdc8dfb2d85a785fbded63a39c