[INFO] fetching crate crt0stack 0.1.0...
[INFO] testing crt0stack-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate crt0stack 0.1.0 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate crt0stack 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-85/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" "+1.55.0" "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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3e0fcdd8727d246d6ede3f3dd2c0838299826b52fb4682057cbd85d4c1517f8
[INFO] running `Command { std: "docker" "start" "-a" "c3e0fcdd8727d246d6ede3f3dd2c0838299826b52fb4682057cbd85d4c1517f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e0fcdd8727d246d6ede3f3dd2c0838299826b52fb4682057cbd85d4c1517f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e0fcdd8727d246d6ede3f3dd2c0838299826b52fb4682057cbd85d4c1517f8", kill_on_drop: false }`
[INFO] [stdout] c3e0fcdd8727d246d6ede3f3dd2c0838299826b52fb4682057cbd85d4c1517f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3af533cf34acb94f3315dd4af1d3022245f794577d940b96d379813f710c7a9
[INFO] running `Command { std: "docker" "start" "-a" "f3af533cf34acb94f3315dd4af1d3022245f794577d940b96d379813f710c7a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "f3af533cf34acb94f3315dd4af1d3022245f794577d940b96d379813f710c7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3af533cf34acb94f3315dd4af1d3022245f794577d940b96d379813f710c7a9", kill_on_drop: false }`
[INFO] [stdout] f3af533cf34acb94f3315dd4af1d3022245f794577d940b96d379813f710c7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc461ea2e041901f840b8beda7cd8d5a5f5a54789dfa35818756644d609a6a6a
[INFO] running `Command { std: "docker" "start" "-a" "bc461ea2e041901f840b8beda7cd8d5a5f5a54789dfa35818756644d609a6a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "bc461ea2e041901f840b8beda7cd8d5a5f5a54789dfa35818756644d609a6a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc461ea2e041901f840b8beda7cd8d5a5f5a54789dfa35818756644d609a6a6a", kill_on_drop: false }`
[INFO] [stdout] bc461ea2e041901f840b8beda7cd8d5a5f5a54789dfa35818756644d609a6a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7428ca49844c7efa43bf0811812e663d752d659d51e2177b2c29bdd93e45d37
[INFO] running `Command { std: "docker" "start" "-a" "f7428ca49844c7efa43bf0811812e663d752d659d51e2177b2c29bdd93e45d37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crt0stack-2f254cac1e58552b)
[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_pop ... ok
[INFO] [stdout] test builder::tests::stack_slice ... ok
[INFO] [stdout] test builder::tests::stack_unaligned ... ok
[INFO] [stdout] test reader::tests::normal ... ok
[INFO] [stdout] test reader::tests::real ... ok
[INFO] [stdout] test reader::tests::skip ... ok
[INFO] [stdout] test reader::tests::unknown ... 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 0.02s
[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 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7428ca49844c7efa43bf0811812e663d752d659d51e2177b2c29bdd93e45d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7428ca49844c7efa43bf0811812e663d752d659d51e2177b2c29bdd93e45d37", kill_on_drop: false }`
[INFO] [stdout] f7428ca49844c7efa43bf0811812e663d752d659d51e2177b2c29bdd93e45d37