[INFO] fetching crate crt0stack 0.1.0...
[INFO] testing crt0stack-0.1.0 against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate crt0stack 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate crt0stack 0.1.0 on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crt0stack 0.1.0
[INFO] finished tweaking crates.io crate crt0stack 0.1.0
[INFO] tweaked toml for crates.io crate crt0stack 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate crt0stack 0.1.0 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7c37ab47b55d2255d4d56246277f9f8f5ca93be2d202e161f889d97b23c7eca
[INFO] running `Command { std: "docker" "start" "-a" "c7c37ab47b55d2255d4d56246277f9f8f5ca93be2d202e161f889d97b23c7eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c37ab47b55d2255d4d56246277f9f8f5ca93be2d202e161f889d97b23c7eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c37ab47b55d2255d4d56246277f9f8f5ca93be2d202e161f889d97b23c7eca", kill_on_drop: false }`
[INFO] [stdout] c7c37ab47b55d2255d4d56246277f9f8f5ca93be2d202e161f889d97b23c7eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8e7750c0b627c585a60fc34d630d55488c01f412ca8e0c024fa6e98962ad05c
[INFO] running `Command { std: "docker" "start" "-a" "e8e7750c0b627c585a60fc34d630d55488c01f412ca8e0c024fa6e98962ad05c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "e8e7750c0b627c585a60fc34d630d55488c01f412ca8e0c024fa6e98962ad05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e7750c0b627c585a60fc34d630d55488c01f412ca8e0c024fa6e98962ad05c", kill_on_drop: false }`
[INFO] [stdout] e8e7750c0b627c585a60fc34d630d55488c01f412ca8e0c024fa6e98962ad05c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5013c5b3ea0ef4c1947d596b7de984551b5ce5e1f9f6521f137c923a36b7fbfc
[INFO] running `Command { std: "docker" "start" "-a" "5013c5b3ea0ef4c1947d596b7de984551b5ce5e1f9f6521f137c923a36b7fbfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `crt0stack` is imported redundantly
[INFO] [stdout]  --> examples/builder.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crt0stack::{self, Builder, Entry, OutOfSpace, Stack};
[INFO] [stdout]   |                 ^^^^ the item `crt0stack` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "5013c5b3ea0ef4c1947d596b7de984551b5ce5e1f9f6521f137c923a36b7fbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5013c5b3ea0ef4c1947d596b7de984551b5ce5e1f9f6521f137c923a36b7fbfc", kill_on_drop: false }`
[INFO] [stdout] 5013c5b3ea0ef4c1947d596b7de984551b5ce5e1f9f6521f137c923a36b7fbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1e6540cbda13ca6e772dcbe57f03bb17713b38825802483aab7eba5d97124cc
[INFO] running `Command { std: "docker" "start" "-a" "b1e6540cbda13ca6e772dcbe57f03bb17713b38825802483aab7eba5d97124cc", kill_on_drop: false }`
[INFO] [stderr] warning: the item `crt0stack` is imported redundantly
[INFO] [stderr]  --> examples/builder.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crt0stack::{self, Builder, Entry, OutOfSpace, Stack};
[INFO] [stderr]   |                 ^^^^ the item `crt0stack` is already defined here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crt0stack` (example "builder") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crt0stack-4600065172675464)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test builder::tests::stack_slice ... ok
[INFO] [stdout] test builder::tests::builder ... ok
[INFO] [stdout] test builder::tests::stack ... ok
[INFO] [stdout] test builder::tests::stack_pop ... ok
[INFO] [stdout] test builder::tests::stack_alignment ... ok
[INFO] [stdout] test reader::tests::normal ... ok
[INFO] [stdout] test reader::tests::skip ... ok
[INFO] [stdout] test reader::tests::unknown ... ok
[INFO] [stdout] test builder::tests::stack_unaligned ... ok
[INFO] [stdout] test reader::tests::real ... ok
[INFO] [stdout] test builder::tests::stack_overflow - should panic ... ok
[INFO] [stdout] test builder::tests::stack_underflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crt0stack
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1e6540cbda13ca6e772dcbe57f03bb17713b38825802483aab7eba5d97124cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e6540cbda13ca6e772dcbe57f03bb17713b38825802483aab7eba5d97124cc", kill_on_drop: false }`
[INFO] [stdout] b1e6540cbda13ca6e772dcbe57f03bb17713b38825802483aab7eba5d97124cc