[INFO] fetching crate stack-cell-ref 0.3.0...
[INFO] testing stack-cell-ref-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate stack-cell-ref 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate stack-cell-ref 0.3.0
[INFO] finished tweaking crates.io crate stack-cell-ref 0.3.0
[INFO] tweaked toml for crates.io crate stack-cell-ref 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stack-cell-ref 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stack-cell-ref 0.3.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a11a32ef696bb6e0278d346ef2017c1b0d6051ecd63ea9402accff1c38ed48c2
[INFO] running `Command { std: "docker" "start" "-a" "a11a32ef696bb6e0278d346ef2017c1b0d6051ecd63ea9402accff1c38ed48c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a11a32ef696bb6e0278d346ef2017c1b0d6051ecd63ea9402accff1c38ed48c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11a32ef696bb6e0278d346ef2017c1b0d6051ecd63ea9402accff1c38ed48c2", kill_on_drop: false }`
[INFO] [stdout] a11a32ef696bb6e0278d346ef2017c1b0d6051ecd63ea9402accff1c38ed48c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f71a0f8d42db6ec05ac81f92f060df0d4d7d14a1992d631973ab3120460bfce
[INFO] running `Command { std: "docker" "start" "-a" "1f71a0f8d42db6ec05ac81f92f060df0d4d7d14a1992d631973ab3120460bfce", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-cell-ref v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display` and `Octal`
[INFO] [stdout]   --> src/lib.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | use core::fmt::{Debug, Display, Formatter, Octal};
[INFO] [stdout]    |                        ^^^^^^^             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "1f71a0f8d42db6ec05ac81f92f060df0d4d7d14a1992d631973ab3120460bfce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f71a0f8d42db6ec05ac81f92f060df0d4d7d14a1992d631973ab3120460bfce", kill_on_drop: false }`
[INFO] [stdout] 1f71a0f8d42db6ec05ac81f92f060df0d4d7d14a1992d631973ab3120460bfce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f06dfaa93ef525865d1c5c52c2691292ca0b9870ef1840e702876f917b876ba
[INFO] running `Command { std: "docker" "start" "-a" "6f06dfaa93ef525865d1c5c52c2691292ca0b9870ef1840e702876f917b876ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-cell-ref v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display` and `Octal`
[INFO] [stdout]   --> src/lib.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | use core::fmt::{Debug, Display, Formatter, Octal};
[INFO] [stdout]    |                        ^^^^^^^             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `Octal`
[INFO] [stdout]   --> src/lib.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | use core::fmt::{Debug, Display, Formatter, Octal};
[INFO] [stdout]    |                        ^^^^^^^             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "6f06dfaa93ef525865d1c5c52c2691292ca0b9870ef1840e702876f917b876ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f06dfaa93ef525865d1c5c52c2691292ca0b9870ef1840e702876f917b876ba", kill_on_drop: false }`
[INFO] [stdout] 6f06dfaa93ef525865d1c5c52c2691292ca0b9870ef1840e702876f917b876ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fe1a9ae88b7a5d70efef7c4fab7ffcc83437feb774a69882d20e89285cf71da
[INFO] running `Command { std: "docker" "start" "-a" "5fe1a9ae88b7a5d70efef7c4fab7ffcc83437feb774a69882d20e89285cf71da", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Display` and `Octal`
[INFO] [stderr]   --> src/lib.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 | use core::fmt::{Debug, Display, Formatter, Octal};
[INFO] [stderr]    |                        ^^^^^^^             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stack-cell-ref` (lib) generated 1 warning (run `cargo fix --lib -p stack-cell-ref` to apply 1 suggestion)
[INFO] [stderr] warning: `stack-cell-ref` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stack_cell_ref-8d0da005aeede126)
[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] [stderr]    Doc-tests stack_cell_ref
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - CellOptionRef<T>::read (line 95) ... ok
[INFO] [stdout] test src/lib.rs - CellOptionRef<T>::new (line 68) ... ok
[INFO] [stdout] test src/lib.rs - CellOptionRef<T>::get_ptr (line 82) ... ok
[INFO] [stdout] test src/lib.rs - CellOptionRef<T>::with (line 115) ... ok
[INFO] [stdout] test src/lib.rs - CellOptionRef (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fe1a9ae88b7a5d70efef7c4fab7ffcc83437feb774a69882d20e89285cf71da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe1a9ae88b7a5d70efef7c4fab7ffcc83437feb774a69882d20e89285cf71da", kill_on_drop: false }`
[INFO] [stdout] 5fe1a9ae88b7a5d70efef7c4fab7ffcc83437feb774a69882d20e89285cf71da