[INFO] cloning repository https://github.com/femnad/lhn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/femnad/lhn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58dee61b52add06ba87a67d47b294bfce979e3ba
[INFO] checking femnad/lhn against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/femnad/lhn
[INFO] finished tweaking git repo https://github.com/femnad/lhn
[INFO] tweaked toml for git repo https://github.com/femnad/lhn written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/femnad/lhn on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/femnad/lhn 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebb9287232fd9a08473675d86bbe16855df1ef3dd797da85d5a765488434c1e3
[INFO] running `Command { std: "docker" "start" "-a" "ebb9287232fd9a08473675d86bbe16855df1ef3dd797da85d5a765488434c1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb9287232fd9a08473675d86bbe16855df1ef3dd797da85d5a765488434c1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb9287232fd9a08473675d86bbe16855df1ef3dd797da85d5a765488434c1e3", kill_on_drop: false }`
[INFO] [stdout] ebb9287232fd9a08473675d86bbe16855df1ef3dd797da85d5a765488434c1e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e195ae8b450479649cea9edf5e3c63a4dfb7f9cdd73c0ff154573602794a4dd
[INFO] running `Command { std: "docker" "start" "-a" "1e195ae8b450479649cea9edf5e3c63a4dfb7f9cdd73c0ff154573602794a4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.64
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking git2 v0.13.23
[INFO] [stderr]     Checking ureq v2.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking lhn v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `lhn` (bin "lhn") due to 1 previous error; 2 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(short = "f", long = "config", default_value = "lhn.yml")]
[INFO] [stdout] 21 | |     config: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/archive.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     tar.unpack(unpack_dir.clone()).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]    --> src/pkg.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 let name = fields.get(1).unwrap().deref();
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(short = "f", long = "config", default_value = "lhn.yml")]
[INFO] [stdout] 21 | |     config: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/archive.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     tar.unpack(unpack_dir.clone()).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]    --> src/pkg.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 let name = fields.get(1).unwrap().deref();
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lhn` (bin "lhn" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1e195ae8b450479649cea9edf5e3c63a4dfb7f9cdd73c0ff154573602794a4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e195ae8b450479649cea9edf5e3c63a4dfb7f9cdd73c0ff154573602794a4dd", kill_on_drop: false }`
[INFO] [stdout] 1e195ae8b450479649cea9edf5e3c63a4dfb7f9cdd73c0ff154573602794a4dd