[INFO] fetching crate relativetime 0.1.4...
[INFO] testing relativetime-0.1.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate relativetime 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate relativetime 0.1.4 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] started tweaking crates.io crate relativetime 0.1.4
[INFO] finished tweaking crates.io crate relativetime 0.1.4
[INFO] tweaked toml for crates.io crate relativetime 0.1.4 written to /workspace/builds/worker-2-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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ec92c5b47e49f276433dd6e5984ab9760aa25445f1e42bc3c9615d24e5435d8e
[INFO] running `Command { std: "docker" "start" "-a" "ec92c5b47e49f276433dd6e5984ab9760aa25445f1e42bc3c9615d24e5435d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec92c5b47e49f276433dd6e5984ab9760aa25445f1e42bc3c9615d24e5435d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec92c5b47e49f276433dd6e5984ab9760aa25445f1e42bc3c9615d24e5435d8e", kill_on_drop: false }`
[INFO] [stdout] ec92c5b47e49f276433dd6e5984ab9760aa25445f1e42bc3c9615d24e5435d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b1cec7d412c8a767ab50376f8d66a52b3d8903c4295a70d481e30418dbfc3d34
[INFO] running `Command { std: "docker" "start" "-a" "b1cec7d412c8a767ab50376f8d66a52b3d8903c4295a70d481e30418dbfc3d34", kill_on_drop: false }`
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling relativetime v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b1cec7d412c8a767ab50376f8d66a52b3d8903c4295a70d481e30418dbfc3d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cec7d412c8a767ab50376f8d66a52b3d8903c4295a70d481e30418dbfc3d34", kill_on_drop: false }`
[INFO] [stdout] b1cec7d412c8a767ab50376f8d66a52b3d8903c4295a70d481e30418dbfc3d34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 98bc844a12f0f5bf884cb3a7118c842dbc21a12eb814f3ada24e8d058845e46b
[INFO] running `Command { std: "docker" "start" "-a" "98bc844a12f0f5bf884cb3a7118c842dbc21a12eb814f3ada24e8d058845e46b", kill_on_drop: false }`
[INFO] [stderr]    Compiling relativetime v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `chrono`
[INFO] [stdout]    --> src/lib.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     use chrono::Utc;
[INFO] [stdout]     |         ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chrono`
[INFO] [stdout]    --> src/lib.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let d = chrono::Duration::seconds(10);
[INFO] [stdout]     |                 ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use core::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use crate::tests::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use humantime::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 150 -         let d = chrono::Duration::seconds(10);
[INFO] [stdout] 150 +         let d = Duration::seconds(10);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chrono`
[INFO] [stdout]    --> src/lib.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let d = chrono::Duration::minutes(-10);
[INFO] [stdout]     |                 ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use core::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use crate::tests::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use humantime::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 153 -         let d = chrono::Duration::minutes(-10);
[INFO] [stdout] 153 +         let d = Duration::minutes(-10);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chrono`
[INFO] [stdout]    --> src/lib.rs:159:32
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let d = Utc::now().sub(chrono::Duration::days(1));
[INFO] [stdout]     |                                ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use core::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use crate::tests::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use humantime::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 159 -         let d = Utc::now().sub(chrono::Duration::days(1));
[INFO] [stdout] 159 +         let d = Utc::now().sub(Duration::days(1));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]   --> src/lib.rs:98:20
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use std::ops::{Add, Sub};
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]   --> src/lib.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use std::ops::{Add, Sub};
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `relativetime` (lib test) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "98bc844a12f0f5bf884cb3a7118c842dbc21a12eb814f3ada24e8d058845e46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bc844a12f0f5bf884cb3a7118c842dbc21a12eb814f3ada24e8d058845e46b", kill_on_drop: false }`
[INFO] [stdout] 98bc844a12f0f5bf884cb3a7118c842dbc21a12eb814f3ada24e8d058845e46b
[INFO] testing relativetime-0.1.4 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate relativetime 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate relativetime 0.1.4 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] started tweaking crates.io crate relativetime 0.1.4
[INFO] finished tweaking crates.io crate relativetime 0.1.4
[INFO] tweaked toml for crates.io crate relativetime 0.1.4 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b99870bdad2f05cb0e1f8318dd43db07e0c17b97a30d9f921c5cfded297dea6a
[INFO] running `Command { std: "docker" "start" "-a" "b99870bdad2f05cb0e1f8318dd43db07e0c17b97a30d9f921c5cfded297dea6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b99870bdad2f05cb0e1f8318dd43db07e0c17b97a30d9f921c5cfded297dea6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99870bdad2f05cb0e1f8318dd43db07e0c17b97a30d9f921c5cfded297dea6a", kill_on_drop: false }`
[INFO] [stdout] b99870bdad2f05cb0e1f8318dd43db07e0c17b97a30d9f921c5cfded297dea6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fe4d9ecd051399ac840dd68402679ec97d2d43d49b6edb3957d2200140af6e3f
[INFO] running `Command { std: "docker" "start" "-a" "fe4d9ecd051399ac840dd68402679ec97d2d43d49b6edb3957d2200140af6e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling relativetime v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "fe4d9ecd051399ac840dd68402679ec97d2d43d49b6edb3957d2200140af6e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4d9ecd051399ac840dd68402679ec97d2d43d49b6edb3957d2200140af6e3f", kill_on_drop: false }`
[INFO] [stdout] fe4d9ecd051399ac840dd68402679ec97d2d43d49b6edb3957d2200140af6e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 51fb8e46db6850cacb2f06f963afb7ae4ec1ce9069dd230fed7b8191a3cf8fb8
[INFO] running `Command { std: "docker" "start" "-a" "51fb8e46db6850cacb2f06f963afb7ae4ec1ce9069dd230fed7b8191a3cf8fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling relativetime v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `chrono`
[INFO] [stdout]    --> src/lib.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     use chrono::Utc;
[INFO] [stdout]     |         ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chrono`
[INFO] [stdout]    --> src/lib.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let d = chrono::Duration::seconds(10);
[INFO] [stdout]     |                 ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use core::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use crate::tests::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use humantime::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 150 -         let d = chrono::Duration::seconds(10);
[INFO] [stdout] 150 +         let d = Duration::seconds(10);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chrono`
[INFO] [stdout]    --> src/lib.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let d = chrono::Duration::minutes(-10);
[INFO] [stdout]     |                 ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use core::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use crate::tests::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use humantime::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 153 -         let d = chrono::Duration::minutes(-10);
[INFO] [stdout] 153 +         let d = Duration::minutes(-10);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chrono`
[INFO] [stdout]    --> src/lib.rs:159:32
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let d = Utc::now().sub(chrono::Duration::days(1));
[INFO] [stdout]     |                                ^^^^^^ use of undeclared crate or module `chrono`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use core::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use crate::tests::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use humantime::Duration;
[INFO] [stdout]     |
[INFO] [stdout] 98  +     use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 159 -         let d = Utc::now().sub(chrono::Duration::days(1));
[INFO] [stdout] 159 +         let d = Utc::now().sub(Duration::days(1));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]   --> src/lib.rs:98:20
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use std::ops::{Add, Sub};
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]   --> src/lib.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use std::ops::{Add, Sub};
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `relativetime` (lib test) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "51fb8e46db6850cacb2f06f963afb7ae4ec1ce9069dd230fed7b8191a3cf8fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fb8e46db6850cacb2f06f963afb7ae4ec1ce9069dd230fed7b8191a3cf8fb8", kill_on_drop: false }`
[INFO] [stdout] 51fb8e46db6850cacb2f06f963afb7ae4ec1ce9069dd230fed7b8191a3cf8fb8
