[INFO] fetching crate ubench 0.0.0-alpha0...
[INFO] testing ubench-0.0.0-alpha0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate ubench 0.0.0-alpha0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ubench 0.0.0-alpha0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ubench 0.0.0-alpha0
[INFO] finished tweaking crates.io crate ubench 0.0.0-alpha0
[INFO] tweaked toml for crates.io crate ubench 0.0.0-alpha0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4818fcb275b61f83ec330b7fff95dd4819f247bf7e10537f652bf2e9d12b8a03
[INFO] running `Command { std: "docker" "start" "-a" "4818fcb275b61f83ec330b7fff95dd4819f247bf7e10537f652bf2e9d12b8a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4818fcb275b61f83ec330b7fff95dd4819f247bf7e10537f652bf2e9d12b8a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4818fcb275b61f83ec330b7fff95dd4819f247bf7e10537f652bf2e9d12b8a03", kill_on_drop: false }`
[INFO] [stdout] 4818fcb275b61f83ec330b7fff95dd4819f247bf7e10537f652bf2e9d12b8a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08807623c9289c85aca8384489266458678159a35ec9bb25128b1728f6919274
[INFO] running `Command { std: "docker" "start" "-a" "08807623c9289c85aca8384489266458678159a35ec9bb25128b1728f6919274", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling ubench v0.0.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "08807623c9289c85aca8384489266458678159a35ec9bb25128b1728f6919274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08807623c9289c85aca8384489266458678159a35ec9bb25128b1728f6919274", kill_on_drop: false }`
[INFO] [stdout] 08807623c9289c85aca8384489266458678159a35ec9bb25128b1728f6919274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d43983ad38a66b66d17ae6c9035649e65bf6541fd8882d1d51156c0d922717d7
[INFO] running `Command { std: "docker" "start" "-a" "d43983ad38a66b66d17ae6c9035649e65bf6541fd8882d1d51156c0d922717d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ubench v0.0.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]  --> src/../examples/common/fib_memoized.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ubench` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d43983ad38a66b66d17ae6c9035649e65bf6541fd8882d1d51156c0d922717d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43983ad38a66b66d17ae6c9035649e65bf6541fd8882d1d51156c0d922717d7", kill_on_drop: false }`
[INFO] [stdout] d43983ad38a66b66d17ae6c9035649e65bf6541fd8882d1d51156c0d922717d7
[INFO] testing ubench-0.0.0-alpha0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate ubench 0.0.0-alpha0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ubench 0.0.0-alpha0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ubench 0.0.0-alpha0
[INFO] finished tweaking crates.io crate ubench 0.0.0-alpha0
[INFO] tweaked toml for crates.io crate ubench 0.0.0-alpha0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adacb1718c2275380eac5167f26b10ecbd7fd106d15a0fe290461d85cab15b16
[INFO] running `Command { std: "docker" "start" "-a" "adacb1718c2275380eac5167f26b10ecbd7fd106d15a0fe290461d85cab15b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adacb1718c2275380eac5167f26b10ecbd7fd106d15a0fe290461d85cab15b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adacb1718c2275380eac5167f26b10ecbd7fd106d15a0fe290461d85cab15b16", kill_on_drop: false }`
[INFO] [stdout] adacb1718c2275380eac5167f26b10ecbd7fd106d15a0fe290461d85cab15b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e7ea9e7771aebed4dcba2514715e307fb246e48832cb7eddac18cbc764bad6a
[INFO] running `Command { std: "docker" "start" "-a" "1e7ea9e7771aebed4dcba2514715e307fb246e48832cb7eddac18cbc764bad6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling ubench v0.0.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "1e7ea9e7771aebed4dcba2514715e307fb246e48832cb7eddac18cbc764bad6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7ea9e7771aebed4dcba2514715e307fb246e48832cb7eddac18cbc764bad6a", kill_on_drop: false }`
[INFO] [stdout] 1e7ea9e7771aebed4dcba2514715e307fb246e48832cb7eddac18cbc764bad6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a00f6caec5f4530dbdc0687f09677e579008e64245cbe0133a0b206baedd02
[INFO] running `Command { std: "docker" "start" "-a" "c3a00f6caec5f4530dbdc0687f09677e579008e64245cbe0133a0b206baedd02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ubench v0.0.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]  --> src/../examples/common/fib_memoized.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ubench` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c3a00f6caec5f4530dbdc0687f09677e579008e64245cbe0133a0b206baedd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a00f6caec5f4530dbdc0687f09677e579008e64245cbe0133a0b206baedd02", kill_on_drop: false }`
[INFO] [stdout] c3a00f6caec5f4530dbdc0687f09677e579008e64245cbe0133a0b206baedd02
