[INFO] cloning repository https://github.com/AndreasOM/oml-mailbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreasOM/oml-mailbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasOM%2Foml-mailbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasOM%2Foml-mailbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e59ef1d7e25ef87cad576ff22c694a35a746a04b
[INFO] building AndreasOM/oml-mailbox against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasOM%2Foml-mailbox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndreasOM/oml-mailbox
[INFO] finished tweaking git repo https://github.com/AndreasOM/oml-mailbox
[INFO] tweaked toml for git repo https://github.com/AndreasOM/oml-mailbox written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndreasOM/oml-mailbox on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndreasOM/oml-mailbox 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59f49c58073bb9c4a5a87567a72210ab5ed13c2e541546ef73f6bbbacc1b630f
[INFO] running `Command { std: "docker" "start" "-a" "59f49c58073bb9c4a5a87567a72210ab5ed13c2e541546ef73f6bbbacc1b630f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59f49c58073bb9c4a5a87567a72210ab5ed13c2e541546ef73f6bbbacc1b630f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f49c58073bb9c4a5a87567a72210ab5ed13c2e541546ef73f6bbbacc1b630f", kill_on_drop: false }`
[INFO] [stdout] 59f49c58073bb9c4a5a87567a72210ab5ed13c2e541546ef73f6bbbacc1b630f
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec56db4a7b35d460c6bd22d5f670a32f01a41ad5e44cd7a5f0522c00bc625358
[INFO] running `Command { std: "docker" "start" "-a" "ec56db4a7b35d460c6bd22d5f670a32f01a41ad5e44cd7a5f0522c00bc625358", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling env_logger v0.11.3
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling base64 v0.22.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling test-log v0.2.15
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling chrono v0.4.35
[INFO] [stderr]    Compiling oml-mailbox v0.1.2-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chrono::DateTime`
[INFO] [stdout]  --> src/mailbox.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::DateTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::Utc`
[INFO] [stdout]  --> src/mailbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::Utc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/mailbox.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/mailbox.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.41s
[INFO] running `Command { std: "docker" "inspect" "ec56db4a7b35d460c6bd22d5f670a32f01a41ad5e44cd7a5f0522c00bc625358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec56db4a7b35d460c6bd22d5f670a32f01a41ad5e44cd7a5f0522c00bc625358", kill_on_drop: false }`
[INFO] [stdout] ec56db4a7b35d460c6bd22d5f670a32f01a41ad5e44cd7a5f0522c00bc625358
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2001fcef56e4e80a427a96fb7126e1653eaa9abd81231fa13f0abfd2f9fcdba
[INFO] running `Command { std: "docker" "start" "-a" "e2001fcef56e4e80a427a96fb7126e1653eaa9abd81231fa13f0abfd2f9fcdba", kill_on_drop: false }`
[INFO] [stderr]    Compiling oml-mailbox v0.1.2-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chrono::DateTime`
[INFO] [stdout]  --> src/mailbox.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::DateTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::Utc`
[INFO] [stdout]  --> src/mailbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::Utc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/mailbox.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/mailbox.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::DateTime`
[INFO] [stdout]  --> src/mailbox.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::DateTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::Utc`
[INFO] [stdout]  --> src/mailbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::Utc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/mailbox.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/mailbox.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "e2001fcef56e4e80a427a96fb7126e1653eaa9abd81231fa13f0abfd2f9fcdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2001fcef56e4e80a427a96fb7126e1653eaa9abd81231fa13f0abfd2f9fcdba", kill_on_drop: false }`
[INFO] [stdout] e2001fcef56e4e80a427a96fb7126e1653eaa9abd81231fa13f0abfd2f9fcdba