[INFO] fetching crate yama 0.4.0...
[INFO] checking yama-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate yama 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate yama 0.4.0
[INFO] finished tweaking crates.io crate yama 0.4.0
[INFO] tweaked toml for crates.io crate yama 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yama 0.4.0 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 yama 0.4.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b95a9828d89c29bacbac21c2c6ec993ddb443ca8f070695f45d9d413716904c5
[INFO] running `Command { std: "docker" "start" "-a" "b95a9828d89c29bacbac21c2c6ec993ddb443ca8f070695f45d9d413716904c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b95a9828d89c29bacbac21c2c6ec993ddb443ca8f070695f45d9d413716904c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95a9828d89c29bacbac21c2c6ec993ddb443ca8f070695f45d9d413716904c5", kill_on_drop: false }`
[INFO] [stdout] b95a9828d89c29bacbac21c2c6ec993ddb443ca8f070695f45d9d413716904c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0ba0389dd4c285055b0547ae6549c966bd82ae2796afbd66bd3261c96fe1f46c
[INFO] running `Command { std: "docker" "start" "-a" "0ba0389dd4c285055b0547ae6549c966bd82ae2796afbd66bd3261c96fe1f46c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking sshish v0.1.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking fastcdc v1.0.5
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking temp-dir v0.1.11
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling blake v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rusqlite v0.24.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking serde_bare v0.3.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking yama v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/chunking.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     self.pile.clone(),
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Pile<RP>` does not implement `Clone`, so calling `clone` on `&Pile<RP>` 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] 117 -                     self.pile.clone(),
[INFO] [stdout] 117 +                     self.pile,
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Pile<RP>`, implement `Clone` for it
[INFO] [stdout]    --> src/pile.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 + #[derive(Clone)]
[INFO] [stdout] 118 | pub struct Pile<R: RawPile> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/debug.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// Name of the pointer to delete.
[INFO] [stdout] 42 | |         name: 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: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/debug.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         /// Name of the pointer to read.
[INFO] [stdout] 48 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yama` (lib) due to 2 previous errors; 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/chunking.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     self.pile.clone(),
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Pile<RP>` does not implement `Clone`, so calling `clone` on `&Pile<RP>` 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] 117 -                     self.pile.clone(),
[INFO] [stdout] 117 +                     self.pile,
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Pile<RP>`, implement `Clone` for it
[INFO] [stdout]    --> src/pile.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 + #[derive(Clone)]
[INFO] [stdout] 118 | pub struct Pile<R: RawPile> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/debug.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// Name of the pointer to delete.
[INFO] [stdout] 42 | |         name: 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: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/debug.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         /// Name of the pointer to read.
[INFO] [stdout] 48 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yama` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0ba0389dd4c285055b0547ae6549c966bd82ae2796afbd66bd3261c96fe1f46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba0389dd4c285055b0547ae6549c966bd82ae2796afbd66bd3261c96fe1f46c", kill_on_drop: false }`
[INFO] [stdout] 0ba0389dd4c285055b0547ae6549c966bd82ae2796afbd66bd3261c96fe1f46c
