[INFO] cloning repository https://github.com/mikutas/crabcan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikutas/crabcan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikutas%2Fcrabcan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikutas%2Fcrabcan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da5149dcb0242dc494d855609a6221f98ff707d0 [INFO] checking mikutas/crabcan against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikutas%2Fcrabcan" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mikutas/crabcan [INFO] finished tweaking git repo https://github.com/mikutas/crabcan [INFO] tweaked toml for git repo https://github.com/mikutas/crabcan written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mikutas/crabcan on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mikutas/crabcan 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcf8b98e07923054385de70145060cad48b61460c69df3abb05eb876de0394c1 [INFO] running `Command { std: "docker" "start" "-a" "fcf8b98e07923054385de70145060cad48b61460c69df3abb05eb876de0394c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcf8b98e07923054385de70145060cad48b61460c69df3abb05eb876de0394c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcf8b98e07923054385de70145060cad48b61460c69df3abb05eb876de0394c1", kill_on_drop: false }` [INFO] [stdout] fcf8b98e07923054385de70145060cad48b61460c69df3abb05eb876de0394c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28a275f8d819d21fc2b1816558fa8090e33028c1b07bd4aa00b2220ec9c26b3e [INFO] running `Command { std: "docker" "start" "-a" "28a275f8d819d21fc2b1816558fa8090e33028c1b07bd4aa00b2220ec9c26b3e", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking termcolor v1.2.0 [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 v0.6.5 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking regex-automata v0.3.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking scan_fmt v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking crabcan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | ContainerError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 - ContainerError(u8), [INFO] [stdout] 5 + ContainerError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | NotSupported(u8), [INFO] [stdout] | ------------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - NotSupported(u8), [INFO] [stdout] 6 + NotSupported(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/container.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Container{ [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 8 | config: ContainerOpts, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path`, `argv`, `uid`, and `mount_dir` are never read [INFO] [stdout] --> src/config.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct ContainerOpts{ [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 8 | pub path: CString, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | pub argv: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub uid: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | pub mount_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ContainerOpts` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | ContainerError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 - ContainerError(u8), [INFO] [stdout] 5 + ContainerError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | NotSupported(u8), [INFO] [stdout] | ------------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - NotSupported(u8), [INFO] [stdout] 6 + NotSupported(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/container.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Container{ [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 8 | config: ContainerOpts, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path`, `argv`, `uid`, and `mount_dir` are never read [INFO] [stdout] --> src/config.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct ContainerOpts{ [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 8 | pub path: CString, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | pub argv: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub uid: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | pub mount_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ContainerOpts` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.35s [INFO] running `Command { std: "docker" "inspect" "28a275f8d819d21fc2b1816558fa8090e33028c1b07bd4aa00b2220ec9c26b3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28a275f8d819d21fc2b1816558fa8090e33028c1b07bd4aa00b2220ec9c26b3e", kill_on_drop: false }` [INFO] [stdout] 28a275f8d819d21fc2b1816558fa8090e33028c1b07bd4aa00b2220ec9c26b3e