[INFO] fetching crate exit-stack 0.1.0...
[INFO] testing exit-stack-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate exit-stack 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate exit-stack 0.1.0
[INFO] finished tweaking crates.io crate exit-stack 0.1.0
[INFO] tweaked toml for crates.io crate exit-stack 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exit-stack 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a0ae40ea8f7a545eaf7b32f4421bd299fe9ac70e365b48a7cc6f9c7e9980a4
[INFO] running `Command { std: "docker" "start" "-a" "87a0ae40ea8f7a545eaf7b32f4421bd299fe9ac70e365b48a7cc6f9c7e9980a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a0ae40ea8f7a545eaf7b32f4421bd299fe9ac70e365b48a7cc6f9c7e9980a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a0ae40ea8f7a545eaf7b32f4421bd299fe9ac70e365b48a7cc6f9c7e9980a4", kill_on_drop: false }`
[INFO] [stdout] 87a0ae40ea8f7a545eaf7b32f4421bd299fe9ac70e365b48a7cc6f9c7e9980a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7f748decd7af89e1d04d3ecaee9df610858ee5e96d90592e6c57e9e7b896ec
[INFO] running `Command { std: "docker" "start" "-a" "ad7f748decd7af89e1d04d3ecaee9df610858ee5e96d90592e6c57e9e7b896ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling alloc-traits v0.1.1
[INFO] [stderr]    Compiling static-alloc v0.2.6
[INFO] [stderr]    Compiling exit-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ad7f748decd7af89e1d04d3ecaee9df610858ee5e96d90592e6c57e9e7b896ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7f748decd7af89e1d04d3ecaee9df610858ee5e96d90592e6c57e9e7b896ec", kill_on_drop: false }`
[INFO] [stdout] ad7f748decd7af89e1d04d3ecaee9df610858ee5e96d90592e6c57e9e7b896ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a2115d78fdee01755dafd37c1584585470d3008f35260c2931289209e371ff3
[INFO] running `Command { std: "docker" "start" "-a" "6a2115d78fdee01755dafd37c1584585470d3008f35260c2931289209e371ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling exit-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/stackful.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     struct Large([u64; 32]);
[INFO] [stdout]    |            ----- ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "6a2115d78fdee01755dafd37c1584585470d3008f35260c2931289209e371ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2115d78fdee01755dafd37c1584585470d3008f35260c2931289209e371ff3", kill_on_drop: false }`
[INFO] [stdout] 6a2115d78fdee01755dafd37c1584585470d3008f35260c2931289209e371ff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] deb5ed70cfe855fe3d15dbacc4230836cee6dbc66d2922b8b41d4ee9b1a2b04d
[INFO] running `Command { std: "docker" "start" "-a" "deb5ed70cfe855fe3d15dbacc4230836cee6dbc66d2922b8b41d4ee9b1a2b04d", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/stackful.rs:55:18
[INFO] [stderr]    |
[INFO] [stderr] 55 |     struct Large([u64; 32]);
[INFO] [stderr]    |            ----- ^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exit-stack` (test "stackful") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exit_stack-6a8ca023edcc03cc)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running tests/stackful.rs (/opt/rustwide/target/debug/deps/stackful-0eb1560104c16e7e)
[INFO] [stdout] test set_with_various_sizes ... ok
[INFO] [stdout] test run_with_a_heap_stack ... ok
[INFO] [stdout] test run_with_a_stack ... ok
[INFO] [stdout] test set_drops_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exit_stack
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - ExitStack<Mem>::set (line 131) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "deb5ed70cfe855fe3d15dbacc4230836cee6dbc66d2922b8b41d4ee9b1a2b04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb5ed70cfe855fe3d15dbacc4230836cee6dbc66d2922b8b41d4ee9b1a2b04d", kill_on_drop: false }`
[INFO] [stdout] deb5ed70cfe855fe3d15dbacc4230836cee6dbc66d2922b8b41d4ee9b1a2b04d