[INFO] fetching crate container-rs 0.1.3...
[INFO] checking container-rs-0.1.3 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate container-rs 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate container-rs 0.1.3
[INFO] finished tweaking crates.io crate container-rs 0.1.3
[INFO] tweaked toml for crates.io crate container-rs 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate container-rs 0.1.3 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate container-rs 0.1.3 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: lib.plugin
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `container-rs` (manifest) generated 2 warnings
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.26
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded memoffset v0.6.4
[INFO] [stderr]   Downloaded slab v0.4.4
[INFO] [stderr]   Downloaded byteordered v0.5.0
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded ipnetwork v0.18.0
[INFO] [stderr]   Downloaded netlink-packet-utils v0.4.1
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded netlink-packet-core v0.2.4
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded rtnetlink v0.8.0
[INFO] [stderr]   Downloaded netlink-proto v0.7.0
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded netlink-sys v0.7.0
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded lock_api v0.4.4
[INFO] [stderr]   Downloaded thiserror v1.0.26
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded tokio-util v0.6.7
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded netlink-packet-route v0.7.1
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c
[INFO] running `Command { std: "docker" "start" "0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: lib.plugin
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `container-rs` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking byteordered v0.5.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking netlink-packet-utils v0.4.1
[INFO] [stderr]     Checking netlink-packet-core v0.2.4
[INFO] [stderr]     Checking netlink-packet-route v0.7.1
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking netlink-sys v0.7.0
[INFO] [stderr]     Checking netlink-proto v0.7.0
[INFO] [stderr]     Checking rtnetlink v0.8.0
[INFO] [stderr]     Checking container-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 331 | /                 unistd::execve(cmd.as_c_str().as_ref(),
[INFO] [stdout] 332 | |                                self.args.as_args().as_slice(),
[INFO] [stdout] 333 | |                                self.env.as_env().as_slice()).with_context(||format!("failed to execve {:?}!", cmd))?;
[INFO] [stdout]     | |____________________________________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 334 |                   std::process::exit(0)
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 331 | /                 unistd::execve(cmd.as_c_str().as_ref(),
[INFO] [stdout] 332 | |                                self.args.as_args().as_slice(),
[INFO] [stdout] 333 | |                                self.env.as_env().as_slice()).with_context(||format!("failed to execve {:?}!", cmd))?;
[INFO] [stdout]     | |____________________________________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 334 |                   std::process::exit(0)
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.45s
[INFO] running `Command { std: "docker" "inspect" "0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c", kill_on_drop: false }`
[INFO] [stdout] 0a9213617bb362bdb0bf12275e50da103c7bb4a78b069606db519bb6eb16eb5c
