[INFO] cloning repository https://github.com/joelparkerhenderson/writeforall-rust-crate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joelparkerhenderson/writeforall-rust-crate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelparkerhenderson%2Fwriteforall-rust-crate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelparkerhenderson%2Fwriteforall-rust-crate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed720da48cc1c61dacaebd253d507653e30b733c
[INFO] checking joelparkerhenderson/writeforall-rust-crate 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%2Fjoelparkerhenderson%2Fwriteforall-rust-crate" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joelparkerhenderson/writeforall-rust-crate
[INFO] finished tweaking git repo https://github.com/joelparkerhenderson/writeforall-rust-crate
[INFO] tweaked toml for git repo https://github.com/joelparkerhenderson/writeforall-rust-crate written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joelparkerhenderson/writeforall-rust-crate 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/joelparkerhenderson/writeforall-rust-crate 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c5ab4facba5c169649c3f9d5b05f64aad195b342cdb84b1b2c1b2627b04d8ade
[INFO] running `Command { std: "docker" "start" "-a" "c5ab4facba5c169649c3f9d5b05f64aad195b342cdb84b1b2c1b2627b04d8ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ab4facba5c169649c3f9d5b05f64aad195b342cdb84b1b2c1b2627b04d8ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ab4facba5c169649c3f9d5b05f64aad195b342cdb84b1b2c1b2627b04d8ade", kill_on_drop: false }`
[INFO] [stdout] c5ab4facba5c169649c3f9d5b05f64aad195b342cdb84b1b2c1b2627b04d8ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 93099db8db4de12517573c9c9f04710e454e4d2fd80c64f7206951fea6c4490d
[INFO] running `Command { std: "docker" "start" "-a" "93099db8db4de12517573c9c9f04710e454e4d2fd80c64f7206951fea6c4490d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[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 cc v1.0.72
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking assertables v3.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking writeforall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     error_chain! { }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/app/clap.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     error_chain! { }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/app/clap.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/app/run.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::app::args::Args`
[INFO] [stdout]    --> src/app/run.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use crate::app::args::Args;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> tests/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Result`
[INFO] [stdout]  --> tests/test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]   --> tests/test.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lazy_static::lazy_static;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `log_level` and `settings` are never read
[INFO] [stdout]   --> src/app/args.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Args {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(crate) log_level: Option<::log::Level>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) settings: Option<Map<String, String>>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is 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/app/run.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let text: String = fs::read_to_string(&path).unwrap().parse().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `writeforall` (bin "writeforall") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `log_level` and `settings` are never read
[INFO] [stdout]   --> src/app/args.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Args {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(crate) log_level: Option<::log::Level>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) settings: Option<Map<String, String>>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is 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/app/run.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let text: String = fs::read_to_string(&path).unwrap().parse().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `writeforall` (bin "writeforall" test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "93099db8db4de12517573c9c9f04710e454e4d2fd80c64f7206951fea6c4490d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93099db8db4de12517573c9c9f04710e454e4d2fd80c64f7206951fea6c4490d", kill_on_drop: false }`
[INFO] [stdout] 93099db8db4de12517573c9c9f04710e454e4d2fd80c64f7206951fea6c4490d
