[INFO] cloning repository https://github.com/oberhauserg/preempt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oberhauserg/preempt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberhauserg%2Fpreempt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberhauserg%2Fpreempt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cfe2b703a8e04d4903992e497ecfc7023945c11
[INFO] checking oberhauserg/preempt against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberhauserg%2Fpreempt" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberhauserg/preempt on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oberhauserg/preempt
[INFO] finished tweaking git repo https://github.com/oberhauserg/preempt
[INFO] tweaked toml for git repo https://github.com/oberhauserg/preempt written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oberhauserg/preempt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.9
[INFO] [stderr]   Downloaded darling_macro v0.20.3
[INFO] [stderr]   Downloaded iana-time-zone v0.1.57
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded directories v3.0.2
[INFO] [stderr]   Downloaded darling v0.20.3
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded darling_core v0.20.3
[INFO] [stderr]   Downloaded serde v1.0.169
[INFO] [stderr]   Downloaded serde_yaml v0.9.23
[INFO] [stderr]   Downloaded serde_derive v1.0.169
[INFO] [stderr]   Downloaded serde_with_macros v3.0.0
[INFO] [stderr]   Downloaded serde_with v3.0.0
[INFO] [stderr]   Downloaded syn v2.0.24
[INFO] [stderr]   Downloaded chrono v0.4.26
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca27a8773008361a4d5039b18b062251c55c5afe360616f1ccfaf785f94d61f1
[INFO] running `Command { std: "docker" "start" "-a" "ca27a8773008361a4d5039b18b062251c55c5afe360616f1ccfaf785f94d61f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca27a8773008361a4d5039b18b062251c55c5afe360616f1ccfaf785f94d61f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca27a8773008361a4d5039b18b062251c55c5afe360616f1ccfaf785f94d61f1", kill_on_drop: false }`
[INFO] [stdout] ca27a8773008361a4d5039b18b062251c55c5afe360616f1ccfaf785f94d61f1
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4faee6161e354dc3c0149921c2495e110c8f60846aedacde9043b984fa03fcde
[INFO] running `Command { std: "docker" "start" "-a" "4faee6161e354dc3c0149921c2495e110c8f60846aedacde9043b984fa03fcde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.169
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling syn v2.0.24
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling serde_derive v1.0.169
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.0.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking serde_yaml v0.9.23
[INFO] [stderr]     Checking serde_with v3.0.0
[INFO] [stderr]     Checking preempt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `active_contexts`
[INFO] [stdout]    --> src/schedule/mod.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut active_contexts: Vec<Context> = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_contexts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/schedule/mod.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut active_contexts: Vec<Context> = vec![];
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_contexts`
[INFO] [stdout]    --> src/schedule/mod.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut active_contexts: Vec<Context> = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_contexts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/schedule/mod.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut active_contexts: Vec<Context> = vec![];
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/timeblock/mod.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn intersects(&self, other: TimeBlock) -> bool {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/timeblock/mod.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn intersects(&self, other: TimeBlock) -> bool {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `preempt::timeblock::TimeBlock`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use preempt::timeblock::TimeBlock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `preempt::timeblock::TimeBlock`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use preempt::timeblock::TimeBlock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_m`
[INFO] [stdout]    --> src/main.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |     if let Some(sub_m) = matches.subcommand_matches("timeline") {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_m`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_m`
[INFO] [stdout]    --> src/main.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |     if let Some(sub_m) = matches.subcommand_matches("timeline") {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_m`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `Command { std: "docker" "inspect" "4faee6161e354dc3c0149921c2495e110c8f60846aedacde9043b984fa03fcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4faee6161e354dc3c0149921c2495e110c8f60846aedacde9043b984fa03fcde", kill_on_drop: false }`
[INFO] [stdout] 4faee6161e354dc3c0149921c2495e110c8f60846aedacde9043b984fa03fcde