[INFO] cloning repository https://github.com/YangKeao/mntexec [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YangKeao/mntexec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangKeao%2Fmntexec", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangKeao%2Fmntexec'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9d6e1e001fa737e9263409df27abc1c45e5c4b6 [INFO] checking YangKeao/mntexec 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%2FYangKeao%2Fmntexec" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/YangKeao/mntexec [INFO] finished tweaking git repo https://github.com/YangKeao/mntexec [INFO] tweaked toml for git repo https://github.com/YangKeao/mntexec written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/YangKeao/mntexec 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/YangKeao/mntexec 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] 05021f0a64ca3e27e453b83adc016ee43bfbe6622831ce8f862a9f6c3c3452b1 [INFO] running `Command { std: "docker" "start" "-a" "05021f0a64ca3e27e453b83adc016ee43bfbe6622831ce8f862a9f6c3c3452b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05021f0a64ca3e27e453b83adc016ee43bfbe6622831ce8f862a9f6c3c3452b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05021f0a64ca3e27e453b83adc016ee43bfbe6622831ce8f862a9f6c3c3452b1", kill_on_drop: false }` [INFO] [stdout] 05021f0a64ca3e27e453b83adc016ee43bfbe6622831ce8f862a9f6c3c3452b1 [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] 6901423f92b1dc501732e5d411193f1658463c58243a173b59565d5c5f8dfda6 [INFO] running `Command { std: "docker" "start" "-a" "6901423f92b1dc501732e5d411193f1658463c58243a173b59565d5c5f8dfda6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.22.0 [INFO] [stderr] Checking nix v0.19.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Checking nsenter v0.1.0 (/opt/rustwide/workdir/nsenter) [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking command-fds v0.2.1 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking nsexec v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / #[structopt(short, long)] [INFO] [stdout] 20 | | cgroup: Option, [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/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / #[structopt(short, long)] [INFO] [stdout] 20 | | cgroup: Option, [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/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / #[structopt(short, long)] [INFO] [stdout] 23 | | ipc: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / #[structopt(short, long)] [INFO] [stdout] 23 | | ipc: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / #[structopt(short, long)] [INFO] [stdout] 26 | | mnt: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / #[structopt(short, long)] [INFO] [stdout] 26 | | mnt: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / #[structopt(short, long)] [INFO] [stdout] 29 | | net: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / #[structopt(short, long)] [INFO] [stdout] 29 | | net: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / #[structopt(short, long)] [INFO] [stdout] 32 | | pid: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / #[structopt(short, long)] [INFO] [stdout] 32 | | pid: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | / #[structopt(long, default_value="/usr/local/lib/libnsenter.so")] [INFO] [stdout] 44 | | library_path: String, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | / #[structopt(long, default_value="/usr/local/lib/libnsenter.so")] [INFO] [stdout] 44 | | library_path: String, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | / #[structopt(required = true)] [INFO] [stdout] 47 | | pub cmd: Vec [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | / #[structopt(required = true)] [INFO] [stdout] 47 | | pub cmd: Vec [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nsexec` (bin "nsexec") due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `nsexec` (bin "nsexec" test) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "6901423f92b1dc501732e5d411193f1658463c58243a173b59565d5c5f8dfda6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6901423f92b1dc501732e5d411193f1658463c58243a173b59565d5c5f8dfda6", kill_on_drop: false }` [INFO] [stdout] 6901423f92b1dc501732e5d411193f1658463c58243a173b59565d5c5f8dfda6