[INFO] fetching crate shadow-clone 1.2.1...
[INFO] testing shadow-clone-1.2.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate shadow-clone 1.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shadow-clone 1.2.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shadow-clone 1.2.1
[INFO] finished tweaking crates.io crate shadow-clone 1.2.1
[INFO] tweaked toml for crates.io crate shadow-clone 1.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adedada3b1e256976de8944f0d7dbc6df804f5c3681f219ed60c743c393e3f7a
[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" "adedada3b1e256976de8944f0d7dbc6df804f5c3681f219ed60c743c393e3f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adedada3b1e256976de8944f0d7dbc6df804f5c3681f219ed60c743c393e3f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adedada3b1e256976de8944f0d7dbc6df804f5c3681f219ed60c743c393e3f7a", kill_on_drop: false }`
[INFO] [stdout] adedada3b1e256976de8944f0d7dbc6df804f5c3681f219ed60c743c393e3f7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 883b337fe143f33b4945468f1b7a33d8fa003c1ff9a145fc143d2bb0a955cfa4
[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" "883b337fe143f33b4945468f1b7a33d8fa003c1ff9a145fc143d2bb0a955cfa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow-clone v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "883b337fe143f33b4945468f1b7a33d8fa003c1ff9a145fc143d2bb0a955cfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883b337fe143f33b4945468f1b7a33d8fa003c1ff9a145fc143d2bb0a955cfa4", kill_on_drop: false }`
[INFO] [stdout] 883b337fe143f33b4945468f1b7a33d8fa003c1ff9a145fc143d2bb0a955cfa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f833feff860e181802b483d61dc5b8c58640ef73c0fe6d19ce5d6105f582c9f
[INFO] running `Command { std: "docker" "start" "-a" "0f833feff860e181802b483d61dc5b8c58640ef73c0fe6d19ce5d6105f582c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow-clone v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]  --> tests/mod.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stdout]   |                               ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> tests/mod.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stdout]   |                               ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "0f833feff860e181802b483d61dc5b8c58640ef73c0fe6d19ce5d6105f582c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f833feff860e181802b483d61dc5b8c58640ef73c0fe6d19ce5d6105f582c9f", kill_on_drop: false }`
[INFO] [stdout] 0f833feff860e181802b483d61dc5b8c58640ef73c0fe6d19ce5d6105f582c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 291e14b36707fef0775d20458a7082aadf7a1fb3358b37019c75b734e07bd342
[INFO] running `Command { std: "docker" "start" "-a" "291e14b36707fef0775d20458a7082aadf7a1fb3358b37019c75b734e07bd342", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]  --> tests/mod.rs:8:31
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stderr]   |                               ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> tests/mod.rs:8:31
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stderr]   |                               ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shadow_clone-f3bb89e9617ffc67)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-4e65763d49db09bb)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests shadow-clone
[INFO] [stdout] test mutable_clone ... ok
[INFO] [stdout] test random_silly_clones ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - shadow_clone (line 7) ... ok
[INFO] [stdout] test src/lib.rs - shadow_clone (line 15) ... ok
[INFO] [stdout] test src/lib.rs - shadow_clone (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "291e14b36707fef0775d20458a7082aadf7a1fb3358b37019c75b734e07bd342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291e14b36707fef0775d20458a7082aadf7a1fb3358b37019c75b734e07bd342", kill_on_drop: false }`
[INFO] [stdout] 291e14b36707fef0775d20458a7082aadf7a1fb3358b37019c75b734e07bd342