[INFO] fetching crate crt0stack 0.1.0...
[INFO] testing crt0stack-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate crt0stack 0.1.0 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate crt0stack 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-70/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: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c5cfb0400717986f52787a0c80ddb377775ca7d760b618a40de24fb4b4004c2
[INFO] running `Command { std: "docker" "start" "-a" "7c5cfb0400717986f52787a0c80ddb377775ca7d760b618a40de24fb4b4004c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5cfb0400717986f52787a0c80ddb377775ca7d760b618a40de24fb4b4004c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5cfb0400717986f52787a0c80ddb377775ca7d760b618a40de24fb4b4004c2", kill_on_drop: false }`
[INFO] [stdout] 7c5cfb0400717986f52787a0c80ddb377775ca7d760b618a40de24fb4b4004c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67fe23b9b93d38d40ecfb5dc50b12a3e60dd3f5a06494445125e66dfcc9ab87d
[INFO] running `Command { std: "docker" "start" "-a" "67fe23b9b93d38d40ecfb5dc50b12a3e60dd3f5a06494445125e66dfcc9ab87d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "67fe23b9b93d38d40ecfb5dc50b12a3e60dd3f5a06494445125e66dfcc9ab87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fe23b9b93d38d40ecfb5dc50b12a3e60dd3f5a06494445125e66dfcc9ab87d", kill_on_drop: false }`
[INFO] [stdout] 67fe23b9b93d38d40ecfb5dc50b12a3e60dd3f5a06494445125e66dfcc9ab87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eb19b134cbb3dac06e85f4674320c7cb9045d98238993d4fdcb0b2c7a64a419
[INFO] running `Command { std: "docker" "start" "-a" "2eb19b134cbb3dac06e85f4674320c7cb9045d98238993d4fdcb0b2c7a64a419", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "2eb19b134cbb3dac06e85f4674320c7cb9045d98238993d4fdcb0b2c7a64a419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb19b134cbb3dac06e85f4674320c7cb9045d98238993d4fdcb0b2c7a64a419", kill_on_drop: false }`
[INFO] [stdout] 2eb19b134cbb3dac06e85f4674320c7cb9045d98238993d4fdcb0b2c7a64a419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99984f8115b4104d2e821938d8416d3e4fbb6045e1af7823f805dbfa6813446c
[INFO] running `Command { std: "docker" "start" "-a" "99984f8115b4104d2e821938d8416d3e4fbb6045e1af7823f805dbfa6813446c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crt0stack-b2eaffd8bbe6888a)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test builder::tests::builder ... ok
[INFO] [stdout] test builder::tests::stack ... ok
[INFO] [stdout] test builder::tests::stack_alignment ... ok
[INFO] [stdout] test builder::tests::stack_slice ... ok
[INFO] [stdout] test builder::tests::stack_unaligned ... ok
[INFO] [stdout] test builder::tests::stack_pop ... ok
[INFO] [stdout] test reader::tests::normal ... ok
[INFO] [stdout] test reader::tests::unknown ... ok
[INFO] [stdout] test reader::tests::skip ... ok
[INFO] [stdout] test reader::tests::real ... ok
[INFO] [stdout] test builder::tests::stack_underflow - should panic ... ok
[INFO] [stdout] test builder::tests::stack_overflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crt0stack
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/builder.rs - builder::Builder (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99984f8115b4104d2e821938d8416d3e4fbb6045e1af7823f805dbfa6813446c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99984f8115b4104d2e821938d8416d3e4fbb6045e1af7823f805dbfa6813446c", kill_on_drop: false }`
[INFO] [stdout] 99984f8115b4104d2e821938d8416d3e4fbb6045e1af7823f805dbfa6813446c