[INFO] fetching crate shadow-clone 1.2.1...
[INFO] testing shadow-clone-1.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate shadow-clone 1.2.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate shadow-clone 1.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07b99d89f28c3f3e66604cb61c745d0c51c62d8625b78bb7b7c6e905cf31a7c4
[INFO] running `Command { std: "docker" "start" "-a" "07b99d89f28c3f3e66604cb61c745d0c51c62d8625b78bb7b7c6e905cf31a7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b99d89f28c3f3e66604cb61c745d0c51c62d8625b78bb7b7c6e905cf31a7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b99d89f28c3f3e66604cb61c745d0c51c62d8625b78bb7b7c6e905cf31a7c4", kill_on_drop: false }`
[INFO] [stdout] 07b99d89f28c3f3e66604cb61c745d0c51c62d8625b78bb7b7c6e905cf31a7c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 713345d143b2ececfd1cb641ff4b8b351f4f5c9ac19a6d20513acde8b6b5d4c7
[INFO] running `Command { std: "docker" "start" "-a" "713345d143b2ececfd1cb641ff4b8b351f4f5c9ac19a6d20513acde8b6b5d4c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow-clone v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "713345d143b2ececfd1cb641ff4b8b351f4f5c9ac19a6d20513acde8b6b5d4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713345d143b2ececfd1cb641ff4b8b351f4f5c9ac19a6d20513acde8b6b5d4c7", kill_on_drop: false }`
[INFO] [stdout] 713345d143b2ececfd1cb641ff4b8b351f4f5c9ac19a6d20513acde8b6b5d4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 989bd97b659d45ff6ecab25deaed78b7220df251a5b83ecc43af8db4ae130512
[INFO] running `Command { std: "docker" "start" "-a" "989bd97b659d45ff6ecab25deaed78b7220df251a5b83ecc43af8db4ae130512", 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "989bd97b659d45ff6ecab25deaed78b7220df251a5b83ecc43af8db4ae130512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989bd97b659d45ff6ecab25deaed78b7220df251a5b83ecc43af8db4ae130512", kill_on_drop: false }`
[INFO] [stdout] 989bd97b659d45ff6ecab25deaed78b7220df251a5b83ecc43af8db4ae130512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 199d829e313fa74fe7d756e853efc81074610d0aeb123ab256e4738d315aeab6
[INFO] running `Command { std: "docker" "start" "-a" "199d829e313fa74fe7d756e853efc81074610d0aeb123ab256e4738d315aeab6", 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: `shadow-clone` (test "mod") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shadow_clone-fe1adc57ce194bc4)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-c509ab18c7b29ab7)
[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] [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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shadow-clone
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - shadow_clone (line 7) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - shadow_clone (line 25) ... ok
[INFO] [stdout] test src/lib.rs - shadow_clone (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "199d829e313fa74fe7d756e853efc81074610d0aeb123ab256e4738d315aeab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199d829e313fa74fe7d756e853efc81074610d0aeb123ab256e4738d315aeab6", kill_on_drop: false }`
[INFO] [stdout] 199d829e313fa74fe7d756e853efc81074610d0aeb123ab256e4738d315aeab6