[INFO] fetching crate tm-interpreter 0.1.0...
[INFO] checking tm-interpreter-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tm-interpreter 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tm-interpreter 0.1.0
[INFO] finished tweaking crates.io crate tm-interpreter 0.1.0
[INFO] tweaked toml for crates.io crate tm-interpreter 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tm-interpreter 0.1.0 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 crates.io crate tm-interpreter 0.1.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5f7d68991ac50c350877ac95502a710909a30166d8e7cba0a3e42357b13b469c
[INFO] running `Command { std: "docker" "start" "-a" "5f7d68991ac50c350877ac95502a710909a30166d8e7cba0a3e42357b13b469c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f7d68991ac50c350877ac95502a710909a30166d8e7cba0a3e42357b13b469c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7d68991ac50c350877ac95502a710909a30166d8e7cba0a3e42357b13b469c", kill_on_drop: false }`
[INFO] [stdout] 5f7d68991ac50c350877ac95502a710909a30166d8e7cba0a3e42357b13b469c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9d03778d167e6cde11aa74de686004967635689672393f62a0e3aae3a05e91df
[INFO] running `Command { std: "docker" "start" "-a" "9d03778d167e6cde11aa74de686004967635689672393f62a0e3aae3a05e91df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking serde_scan v0.4.1
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.12
[INFO] [stderr]     Checking tm-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     "tape" => tape_str = val.clone(),
[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] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | /     /// Path to the turing mashine file
[INFO] [stdout] 223 | |     path: 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] error: could not compile `tm-interpreter` (bin "tm-interpreter") due to 1 previous error; 1 warning emitted
[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/main.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     "tape" => tape_str = val.clone(),
[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] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | /     /// Path to the turing mashine file
[INFO] [stdout] 223 | |     path: 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] error: could not compile `tm-interpreter` (bin "tm-interpreter" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9d03778d167e6cde11aa74de686004967635689672393f62a0e3aae3a05e91df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d03778d167e6cde11aa74de686004967635689672393f62a0e3aae3a05e91df", kill_on_drop: false }`
[INFO] [stdout] 9d03778d167e6cde11aa74de686004967635689672393f62a0e3aae3a05e91df
