[INFO] cloning repository https://github.com/hdbg/obfs.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hdbg/obfs.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdbg%2Fobfs.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdbg%2Fobfs.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 853b9c60d8182f95c585b9217734e134866e8d11
[INFO] building hdbg/obfs.rs against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdbg%2Fobfs.rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hdbg/obfs.rs on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hdbg/obfs.rs
[INFO] finished tweaking git repo https://github.com/hdbg/obfs.rs
[INFO] tweaked toml for git repo https://github.com/hdbg/obfs.rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hdbg/obfs.rs 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded syn v2.0.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 072213f8cb0fce873960c12b5c14de741c14c27257c2fd9ed82decb0d0859f36
[INFO] running `Command { std: "docker" "start" "-a" "072213f8cb0fce873960c12b5c14de741c14c27257c2fd9ed82decb0d0859f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "072213f8cb0fce873960c12b5c14de741c14c27257c2fd9ed82decb0d0859f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072213f8cb0fce873960c12b5c14de741c14c27257c2fd9ed82decb0d0859f36", kill_on_drop: false }`
[INFO] [stdout] 072213f8cb0fce873960c12b5c14de741c14c27257c2fd9ed82decb0d0859f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff8b565330d3d56fdeda59517b176dc9ffa24eec1fd41d8eeadcfedb1d7d617
[INFO] running `Command { std: "docker" "start" "-a" "fff8b565330d3d56fdeda59517b176dc9ffa24eec1fd41d8eeadcfedb1d7d617", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling obfs-macro v0.1.0 (/opt/rustwide/workdir/obfs-macro)
[INFO] [stderr]    Compiling obfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "fff8b565330d3d56fdeda59517b176dc9ffa24eec1fd41d8eeadcfedb1d7d617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff8b565330d3d56fdeda59517b176dc9ffa24eec1fd41d8eeadcfedb1d7d617", kill_on_drop: false }`
[INFO] [stdout] fff8b565330d3d56fdeda59517b176dc9ffa24eec1fd41d8eeadcfedb1d7d617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da53f933eb0f0a00b43a3dbe0841723aedac9b1235b1cc4ba595dd1873a90a94
[INFO] running `Command { std: "docker" "start" "-a" "da53f933eb0f0a00b43a3dbe0841723aedac9b1235b1cc4ba595dd1873a90a94", kill_on_drop: false }`
[INFO] [stderr]    Compiling obfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] Block {
[INFO] [stdout]     brace_token: Brace,
[INFO] [stdout]     stmts: [
[INFO] [stdout]         Stmt::Local {
[INFO] [stdout]             attrs: [],
[INFO] [stdout]             let_token: Let,
[INFO] [stdout]             pat: Pat::Ident {
[INFO] [stdout]                 attrs: [],
[INFO] [stdout]                 by_ref: None,
[INFO] [stdout]                 mutability: Some(
[INFO] [stdout]                     Mut,
[INFO] [stdout]                 ),
[INFO] [stdout]                 ident: Ident {
[INFO] [stdout]                     ident: "a",
[INFO] [stdout]                     span: #0 bytes(132..133),
[INFO] [stdout]                 },
[INFO] [stdout]                 subpat: None,
[INFO] [stdout]             },
[INFO] [stdout]             init: Some(
[INFO] [stdout]                 LocalInit {
[INFO] [stdout]                     eq_token: Eq,
[INFO] [stdout]                     expr: Expr::Lit {
[INFO] [stdout]                         attrs: [],
[INFO] [stdout]                         lit: Lit::Int {
[INFO] [stdout]                             token: 123,
[INFO] [stdout]                         },
[INFO] [stdout]                     },
[INFO] [stdout]                     diverge: None,
[INFO] [stdout]                 },
[INFO] [stdout]             ),
[INFO] [stdout]             semi_token: Semi,
[INFO] [stdout]         },
[INFO] [stdout]         Stmt::Expr(
[INFO] [stdout]             Expr::Binary {
[INFO] [stdout]                 attrs: [],
[INFO] [stdout]                 left: Expr::Path {
[INFO] [stdout]                     attrs: [],
[INFO] [stdout]                     qself: None,
[INFO] [stdout]                     path: Path {
[INFO] [stdout]                         leading_colon: None,
[INFO] [stdout]                         segments: [
[INFO] [stdout]                             PathSegment {
[INFO] [stdout]                                 ident: Ident {
[INFO] [stdout]                                     ident: "a",
[INFO] [stdout]                                     span: #0 bytes(153..154),
[INFO] [stdout]                                 },
[INFO] [stdout]                                 arguments: PathArguments::None,
[INFO] [stdout]                             },
[INFO] [stdout]                         ],
[INFO] [stdout]                     },
[INFO] [stdout]                 },
[INFO] [stdout]                 op: BinOp::AddAssign(
[INFO] [stdout]                     PlusEq,
[INFO] [stdout]                 ),
[INFO] [stdout]                 right: Expr::Lit {
[INFO] [stdout]                     attrs: [],
[INFO] [stdout]                     lit: Lit::Int {
[INFO] [stdout]                         token: 233,
[INFO] [stdout]                     },
[INFO] [stdout]                 },
[INFO] [stdout]             },
[INFO] [stdout]             Some(
[INFO] [stdout]                 Semi,
[INFO] [stdout]             ),
[INFO] [stdout]         ),
[INFO] [stdout]     ],
[INFO] [stdout] }
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `a` is assigned to, but never used
[INFO] [stdout]  --> src/lib.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |             let mut a = 123;
[INFO] [stdout]   |                     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_a` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             a += 233;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "da53f933eb0f0a00b43a3dbe0841723aedac9b1235b1cc4ba595dd1873a90a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da53f933eb0f0a00b43a3dbe0841723aedac9b1235b1cc4ba595dd1873a90a94", kill_on_drop: false }`
[INFO] [stdout] da53f933eb0f0a00b43a3dbe0841723aedac9b1235b1cc4ba595dd1873a90a94
