[INFO] cloning repository https://github.com/ckauhaus/nixos-advisory-survey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckauhaus/nixos-advisory-survey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckauhaus%2Fnixos-advisory-survey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckauhaus%2Fnixos-advisory-survey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a88a3604501fcc55dcfeaa19dd3bb85cc1e96e29
[INFO] checking ckauhaus/nixos-advisory-survey 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%2Fckauhaus%2Fnixos-advisory-survey" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ckauhaus/nixos-advisory-survey
[INFO] finished tweaking git repo https://github.com/ckauhaus/nixos-advisory-survey
[INFO] tweaked toml for git repo https://github.com/ckauhaus/nixos-advisory-survey written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ckauhaus/nixos-advisory-survey 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/ckauhaus/nixos-advisory-survey 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 495901748f8fee38dc5c7f73e34f50ca9321ca5cf0f62ed90390770a52c61195
[INFO] running `Command { std: "docker" "start" "-a" "495901748f8fee38dc5c7f73e34f50ca9321ca5cf0f62ed90390770a52c61195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495901748f8fee38dc5c7f73e34f50ca9321ca5cf0f62ed90390770a52c61195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495901748f8fee38dc5c7f73e34f50ca9321ca5cf0f62ed90390770a52c61195", kill_on_drop: false }`
[INFO] [stdout] 495901748f8fee38dc5c7f73e34f50ca9321ca5cf0f62ed90390770a52c61195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 47d0d70009645c661e6e1d184958ec8fa4967052968392a5d2975b456cbe5376
[INFO] running `Command { std: "docker" "start" "-a" "47d0d70009645c661e6e1d184958ec8fa4967052968392a5d2975b456cbe5376", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fnv v1.0.7
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[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]     Checking pin-project-lite v0.1.12
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[INFO] [stderr]    Compiling openssl v0.10.38
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling httparse v1.5.1
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[INFO] [stderr]     Checking socket2 v0.3.19
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[INFO] [stderr]     Checking mio v0.6.23
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[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
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[INFO] [stderr]     Checking aho-corasick v0.7.18
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[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.2.0
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[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking git2 v0.13.25
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking smol_str v0.1.21
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking survey v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/branches.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         for mut b in bs.specs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/branches.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         for mut b in bs.specs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/tracker/github.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         e: serde_json::Error,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/tracker/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Issue {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 23 |     pub id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Issue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// Create GitHub issues in this repository
[INFO] [stdout] 47 | |     #[structopt(short, long, global = true, value_name = "USER/REPO")]
[INFO] [stdout] 48 | |     repo: Option<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] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// GitHub access token
[INFO] [stdout] 50 | |     ///
[INFO] [stdout] 51 | |     /// Alternatively set the GITHUB_TOKEN environment variable
[INFO] [stdout] 52 | |     #[structopt(short, long, global = true, env = "GITHUB_TOKEN")]
[INFO] [stdout] 53 | |     github_token: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/tracker/github.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         e: serde_json::Error,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `survey` (bin "survey") due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/tracker/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Issue {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 23 |     pub id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Issue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// Create GitHub issues in this repository
[INFO] [stdout] 47 | |     #[structopt(short, long, global = true, value_name = "USER/REPO")]
[INFO] [stdout] 48 | |     repo: Option<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] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// GitHub access token
[INFO] [stdout] 50 | |     ///
[INFO] [stdout] 51 | |     /// Alternatively set the GITHUB_TOKEN environment variable
[INFO] [stdout] 52 | |     #[structopt(short, long, global = true, env = "GITHUB_TOKEN")]
[INFO] [stdout] 53 | |     github_token: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `survey` (bin "survey" test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "47d0d70009645c661e6e1d184958ec8fa4967052968392a5d2975b456cbe5376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d0d70009645c661e6e1d184958ec8fa4967052968392a5d2975b456cbe5376", kill_on_drop: false }`
[INFO] [stdout] 47d0d70009645c661e6e1d184958ec8fa4967052968392a5d2975b456cbe5376
