[INFO] fetching crate crate_hello_world 0.1.1...
[INFO] testing crate_hello_world-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate crate_hello_world 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate crate_hello_world 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crate_hello_world 0.1.1
[INFO] finished tweaking crates.io crate crate_hello_world 0.1.1
[INFO] tweaked toml for crates.io crate crate_hello_world 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-13/source/src/main.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f68f67f7f65df7900930bf24b2f56dfa0e0a348647ac8975dbb6c665944d91ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f68f67f7f65df7900930bf24b2f56dfa0e0a348647ac8975dbb6c665944d91ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f68f67f7f65df7900930bf24b2f56dfa0e0a348647ac8975dbb6c665944d91ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68f67f7f65df7900930bf24b2f56dfa0e0a348647ac8975dbb6c665944d91ca", kill_on_drop: false }`
[INFO] [stdout] f68f67f7f65df7900930bf24b2f56dfa0e0a348647ac8975dbb6c665944d91ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50a4617bba99fa58f7304fb810b021e0aba0397fbca2bd84948441a895ae8dfb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50a4617bba99fa58f7304fb810b021e0aba0397fbca2bd84948441a895ae8dfb", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling crate_hello_world v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "50a4617bba99fa58f7304fb810b021e0aba0397fbca2bd84948441a895ae8dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a4617bba99fa58f7304fb810b021e0aba0397fbca2bd84948441a895ae8dfb", kill_on_drop: false }`
[INFO] [stdout] 50a4617bba99fa58f7304fb810b021e0aba0397fbca2bd84948441a895ae8dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8073e1dc8a810d9111abe6691beac7ed4e5ce8ed5919b560ee7aac1e5b484edb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8073e1dc8a810d9111abe6691beac7ed4e5ce8ed5919b560ee7aac1e5b484edb", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling crate_hello_world v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "8073e1dc8a810d9111abe6691beac7ed4e5ce8ed5919b560ee7aac1e5b484edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8073e1dc8a810d9111abe6691beac7ed4e5ce8ed5919b560ee7aac1e5b484edb", kill_on_drop: false }`
[INFO] [stdout] 8073e1dc8a810d9111abe6691beac7ed4e5ce8ed5919b560ee7aac1e5b484edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6dd8aaa6e0e464a36cb279025b26d5c55fb98707becc74ce3197e4cf06b7681
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6dd8aaa6e0e464a36cb279025b26d5c55fb98707becc74ce3197e4cf06b7681", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:4
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | fn main() {
[INFO] [stdout] 
[INFO] [stderr]   |    ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `crate_hello_world` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crate_hello_world-5539ff4632b51ff2)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crate_hello_world-dd6be68983dd207b)
[INFO] [stderr]    Doc-tests crate_hello_world
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6dd8aaa6e0e464a36cb279025b26d5c55fb98707becc74ce3197e4cf06b7681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6dd8aaa6e0e464a36cb279025b26d5c55fb98707becc74ce3197e4cf06b7681", kill_on_drop: false }`
[INFO] [stdout] b6dd8aaa6e0e464a36cb279025b26d5c55fb98707becc74ce3197e4cf06b7681