[INFO] cloning repository https://github.com/matievisthekat/chum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matievisthekat/chum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatievisthekat%2Fchum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatievisthekat%2Fchum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d74682fa1b3906461bf0d1b6284f34bca7fe9b2
[INFO] checking matievisthekat/chum against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatievisthekat%2Fchum" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matievisthekat/chum on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matievisthekat/chum
[INFO] finished tweaking git repo https://github.com/matievisthekat/chum
[INFO] tweaked toml for git repo https://github.com/matievisthekat/chum written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matievisthekat/chum 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d16cb1bd35d9f073362e53931e70155fd569e5fd0baa62c08c5572df74679b98
[INFO] running `Command { std: "docker" "start" "-a" "d16cb1bd35d9f073362e53931e70155fd569e5fd0baa62c08c5572df74679b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d16cb1bd35d9f073362e53931e70155fd569e5fd0baa62c08c5572df74679b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16cb1bd35d9f073362e53931e70155fd569e5fd0baa62c08c5572df74679b98", kill_on_drop: false }`
[INFO] [stdout] d16cb1bd35d9f073362e53931e70155fd569e5fd0baa62c08c5572df74679b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e9f149087e125ee7fae550a1c4c61a8bb9c643c65c6560cfc1d06f589b0ca5c
[INFO] running `Command { std: "docker" "start" "-a" "0e9f149087e125ee7fae550a1c4c61a8bb9c643c65c6560cfc1d06f589b0ca5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking chum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `files` is not used by name
[INFO] [stdout]   --> src/commands/state.rs:67:58
[INFO] [stdout]    |
[INFO] [stdout] 67 |           display::writeln(Yellow, format!("[\n\t{}\n]", files = files.join("\n\t")))
[INFO] [stdout]    |                                                  --      ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  this formatting argument uses named argument `files` by position
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 67 |           display::writeln(Yellow, format!("[\n\t{files}\n]", files = files.join("\n\t")))
[INFO] [stdout]    |                                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `files` is not used by name
[INFO] [stdout]   --> src/commands/state.rs:67:58
[INFO] [stdout]    |
[INFO] [stdout] 67 |           display::writeln(Yellow, format!("[\n\t{}\n]", files = files.join("\n\t")))
[INFO] [stdout]    |                                                  --      ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  this formatting argument uses named argument `files` by position
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 67 |           display::writeln(Yellow, format!("[\n\t{files}\n]", files = files.join("\n\t")))
[INFO] [stdout]    |                                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `allowed_args` and `allowed_flags` are never read
[INFO] [stdout]   --> src/lib/command_manager.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Command {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |   pub allowed_args: Vec<Arg>,
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 13 |   pub allowed_flags: Vec<String>,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `allowed_args` and `allowed_flags` are never read
[INFO] [stdout]   --> src/lib/command_manager.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Command {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |   pub allowed_args: Vec<Arg>,
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 13 |   pub allowed_flags: Vec<String>,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib/cli.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let context = Context { cli: self.clone() };
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Cli` does not implement `Clone`, so calling `clone` on `&Cli` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 55 -     let context = Context { cli: self.clone() };
[INFO] [stdout] 55 +     let context = Context { cli: self };
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Cli`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 10 + #[derive(Clone)]
[INFO] [stdout] 11 | pub struct Cli {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib/cli.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let context = Context { cli: self.clone() };
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Cli` does not implement `Clone`, so calling `clone` on `&Cli` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 55 -     let context = Context { cli: self.clone() };
[INFO] [stdout] 55 +     let context = Context { cli: self };
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Cli`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 10 + #[derive(Clone)]
[INFO] [stdout] 11 | pub struct Cli {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "0e9f149087e125ee7fae550a1c4c61a8bb9c643c65c6560cfc1d06f589b0ca5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9f149087e125ee7fae550a1c4c61a8bb9c643c65c6560cfc1d06f589b0ca5c", kill_on_drop: false }`
[INFO] [stdout] 0e9f149087e125ee7fae550a1c4c61a8bb9c643c65c6560cfc1d06f589b0ca5c