[INFO] cloning repository https://github.com/joncfoo/r-sysdeps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joncfoo/r-sysdeps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncfoo%2Fr-sysdeps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncfoo%2Fr-sysdeps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88f9247b7934a7e54da7fd0bdec0da5690956bbb
[INFO] checking joncfoo/r-sysdeps against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncfoo%2Fr-sysdeps" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joncfoo/r-sysdeps on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joncfoo/r-sysdeps
[INFO] finished tweaking git repo https://github.com/joncfoo/r-sysdeps
[INFO] tweaked toml for git repo https://github.com/joncfoo/r-sysdeps written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/joncfoo/r-sysdeps already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd27563c50b4f748fa23abbe3a7b82fe1b6a1607f61898c80f9f1b8e5fb2dedf
[INFO] running `Command { std: "docker" "start" "-a" "cd27563c50b4f748fa23abbe3a7b82fe1b6a1607f61898c80f9f1b8e5fb2dedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd27563c50b4f748fa23abbe3a7b82fe1b6a1607f61898c80f9f1b8e5fb2dedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd27563c50b4f748fa23abbe3a7b82fe1b6a1607f61898c80f9f1b8e5fb2dedf", kill_on_drop: false }`
[INFO] [stdout] cd27563c50b4f748fa23abbe3a7b82fe1b6a1607f61898c80f9f1b8e5fb2dedf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1772ce1b2a451327c4cbacc671f3f7df43c4d42f91721dcdefe8ff1af86d0738
[INFO] running `Command { std: "docker" "start" "-a" "1772ce1b2a451327c4cbacc671f3f7df43c4d42f91721dcdefe8ff1af86d0738", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling minreq v2.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking r-sysdeps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `build_date`
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     build_date: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r_configured`
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     r_configured: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bioc_versions`
[INFO] [stdout]   --> src/main.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     bioc_versions: Vec<APIBioConductorVersion>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binary_display`
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     binary_display: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     display: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sys_reqs`
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     sys_reqs: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bioc_version`
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     bioc_version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r_version`
[INFO] [stdout]   --> src/main.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     r_version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cran_snapshot`
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     cran_snapshot: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `language`
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     language: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `command`
[INFO] [stdout]    --> src/main.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     command: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 | /             &os_attributes.insert(
[INFO] [stdout] 317 | |                 key_value[0].replace("\"", ""),
[INFO] [stdout] 318 | |                 key_value[1].replace("\"", ""),
[INFO] [stdout] 319 | |             );
[INFO] [stdout]     | |_____________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let _ = &os_attributes.insert(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `build_date`
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     build_date: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r_configured`
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     r_configured: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bioc_versions`
[INFO] [stdout]   --> src/main.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     bioc_versions: Vec<APIBioConductorVersion>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binary_display`
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     binary_display: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     display: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sys_reqs`
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     sys_reqs: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bioc_version`
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     bioc_version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r_version`
[INFO] [stdout]   --> src/main.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     r_version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cran_snapshot`
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     cran_snapshot: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `language`
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     language: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `command`
[INFO] [stdout]    --> src/main.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     command: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 | /             &os_attributes.insert(
[INFO] [stdout] 317 | |                 key_value[0].replace("\"", ""),
[INFO] [stdout] 318 | |                 key_value[1].replace("\"", ""),
[INFO] [stdout] 319 | |             );
[INFO] [stdout]     | |_____________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let _ = &os_attributes.insert(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.88s
[INFO] running `Command { std: "docker" "inspect" "1772ce1b2a451327c4cbacc671f3f7df43c4d42f91721dcdefe8ff1af86d0738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1772ce1b2a451327c4cbacc671f3f7df43c4d42f91721dcdefe8ff1af86d0738", kill_on_drop: false }`
[INFO] [stdout] 1772ce1b2a451327c4cbacc671f3f7df43c4d42f91721dcdefe8ff1af86d0738