[INFO] fetching crate kenv 0.4.3... [INFO] checking kenv-0.4.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate kenv 0.4.3 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate kenv 0.4.3 [INFO] finished tweaking crates.io crate kenv 0.4.3 [INFO] tweaked toml for crates.io crate kenv 0.4.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kenv 0.4.3 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 kenv 0.4.3 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3c2efd2ac2178b5c5dd803c50b69c9be53172effafd384b28febb2edfce452e9 [INFO] running `Command { std: "docker" "start" "-a" "3c2efd2ac2178b5c5dd803c50b69c9be53172effafd384b28febb2edfce452e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c2efd2ac2178b5c5dd803c50b69c9be53172effafd384b28febb2edfce452e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c2efd2ac2178b5c5dd803c50b69c9be53172effafd384b28febb2edfce452e9", kill_on_drop: false }` [INFO] [stdout] 3c2efd2ac2178b5c5dd803c50b69c9be53172effafd384b28febb2edfce452e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e03abd54c643bd14f891c214b21da9051dc09d75985619a32f36fb4058e3d850 [INFO] running `Command { std: "docker" "start" "-a" "e03abd54c643bd14f891c214b21da9051dc09d75985619a32f36fb4058e3d850", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.1 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking bzip2 v0.4.3 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking encoding_rs v0.8.28 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking tar v0.4.35 [INFO] [stderr] Checking dirs v3.0.2 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking hyper v0.14.11 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking reqwest v0.11.4 [INFO] [stderr] Checking kenv v0.4.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `context` is never read [INFO] [stdout] --> src/cmd/clusters/list.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 50 | struct Cluster { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | pub context: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cluster` 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: ControlFlow, PathBuf> [INFO] [stdout] --> src/tools.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | let path = PathBuf::from_str(path)?.join(&name); [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 [INFO] [stdout] --> src/tools.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | let path = PathBuf::from_str(path)?.join(&name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kenv` (bin "kenv") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `context` is never read [INFO] [stdout] --> src/cmd/clusters/list.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 50 | struct Cluster { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | pub context: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cluster` 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: ControlFlow, PathBuf> [INFO] [stdout] --> src/tools.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | let path = PathBuf::from_str(path)?.join(&name); [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 [INFO] [stdout] --> src/tools.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | let path = PathBuf::from_str(path)?.join(&name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kenv` (bin "kenv" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "e03abd54c643bd14f891c214b21da9051dc09d75985619a32f36fb4058e3d850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e03abd54c643bd14f891c214b21da9051dc09d75985619a32f36fb4058e3d850", kill_on_drop: false }` [INFO] [stdout] e03abd54c643bd14f891c214b21da9051dc09d75985619a32f36fb4058e3d850