[INFO] fetching crate ubench 0.0.0-alpha0...
[INFO] testing ubench-0.0.0-alpha0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate ubench 0.0.0-alpha0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ubench 0.0.0-alpha0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f0598e4cdbd48ad80a3690686134dc1010185f6f3c6698a89b889ae7d38680f
[INFO] running `Command { std: "docker" "start" "-a" "6f0598e4cdbd48ad80a3690686134dc1010185f6f3c6698a89b889ae7d38680f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0598e4cdbd48ad80a3690686134dc1010185f6f3c6698a89b889ae7d38680f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0598e4cdbd48ad80a3690686134dc1010185f6f3c6698a89b889ae7d38680f", kill_on_drop: false }`
[INFO] [stdout] 6f0598e4cdbd48ad80a3690686134dc1010185f6f3c6698a89b889ae7d38680f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e50f731b6bd98d6b8e6e1e11336f5c21d2e8ee81bde9687236fe931e279e7d
[INFO] running `Command { std: "docker" "start" "-a" "13e50f731b6bd98d6b8e6e1e11336f5c21d2e8ee81bde9687236fe931e279e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling serde v1.0.194
[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 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 2.38s
[INFO] running `Command { std: "docker" "inspect" "13e50f731b6bd98d6b8e6e1e11336f5c21d2e8ee81bde9687236fe931e279e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e50f731b6bd98d6b8e6e1e11336f5c21d2e8ee81bde9687236fe931e279e7d", kill_on_drop: false }`
[INFO] [stdout] 13e50f731b6bd98d6b8e6e1e11336f5c21d2e8ee81bde9687236fe931e279e7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1928d4a8df18511aee6a49857deb948026444860fd43d75abc9a31543e218c0f
[INFO] running `Command { std: "docker" "start" "-a" "1928d4a8df18511aee6a49857deb948026444860fd43d75abc9a31543e218c0f", kill_on_drop: false }`
[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] [stderr]    Compiling ubench v0.0.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 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" "1928d4a8df18511aee6a49857deb948026444860fd43d75abc9a31543e218c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1928d4a8df18511aee6a49857deb948026444860fd43d75abc9a31543e218c0f", kill_on_drop: false }`
[INFO] [stdout] 1928d4a8df18511aee6a49857deb948026444860fd43d75abc9a31543e218c0f
[INFO] testing ubench-0.0.0-alpha0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate ubench 0.0.0-alpha0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ubench 0.0.0-alpha0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf0d71a208f313ec0e90af95916b72f198b243e7e25593d1c9f55bb69cc1390
[INFO] running `Command { std: "docker" "start" "-a" "8cf0d71a208f313ec0e90af95916b72f198b243e7e25593d1c9f55bb69cc1390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf0d71a208f313ec0e90af95916b72f198b243e7e25593d1c9f55bb69cc1390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf0d71a208f313ec0e90af95916b72f198b243e7e25593d1c9f55bb69cc1390", kill_on_drop: false }`
[INFO] [stdout] 8cf0d71a208f313ec0e90af95916b72f198b243e7e25593d1c9f55bb69cc1390
[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=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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a8023bd87cc26c0828b91d2da7519d91a2fd6223c03454586c325826002827d
[INFO] running `Command { std: "docker" "start" "-a" "2a8023bd87cc26c0828b91d2da7519d91a2fd6223c03454586c325826002827d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling serde v1.0.194
[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 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 1.70s
[INFO] running `Command { std: "docker" "inspect" "2a8023bd87cc26c0828b91d2da7519d91a2fd6223c03454586c325826002827d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8023bd87cc26c0828b91d2da7519d91a2fd6223c03454586c325826002827d", kill_on_drop: false }`
[INFO] [stdout] 2a8023bd87cc26c0828b91d2da7519d91a2fd6223c03454586c325826002827d
[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=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-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14a23f49ad3cd443352944057a13f8f57b89cf653f418890fbb2a728a45ea58e
[INFO] running `Command { std: "docker" "start" "-a" "14a23f49ad3cd443352944057a13f8f57b89cf653f418890fbb2a728a45ea58e", kill_on_drop: false }`
[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" "14a23f49ad3cd443352944057a13f8f57b89cf653f418890fbb2a728a45ea58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a23f49ad3cd443352944057a13f8f57b89cf653f418890fbb2a728a45ea58e", kill_on_drop: false }`
[INFO] [stdout] 14a23f49ad3cd443352944057a13f8f57b89cf653f418890fbb2a728a45ea58e
