[INFO] cloning repository https://github.com/simpoir/imap_block
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simpoir/imap_block" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpoir%2Fimap_block", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpoir%2Fimap_block'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b9ba9044be1bf9a02debb5b74b90f40154cc6c6
[INFO] checking simpoir/imap_block against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpoir%2Fimap_block" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simpoir/imap_block on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simpoir/imap_block
[INFO] finished tweaking git repo https://github.com/simpoir/imap_block
[INFO] tweaked toml for git repo https://github.com/simpoir/imap_block written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/simpoir/imap_block 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlparse v0.7.3
[INFO] [stderr]   Downloaded termcolor v1.3.0
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded value-bag v1.4.1
[INFO] [stderr]   Downloaded waker-fn v1.1.1
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded async-imap v0.9.1
[INFO] [stderr]   Downloaded rustix v0.37.25
[INFO] [stderr]   Downloaded rustix v0.38.19
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded async-executor v1.6.0
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.10
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded async-task v4.4.1
[INFO] [stderr]   Downloaded tracing v0.1.39
[INFO] [stderr]   Downloaded concurrent-queue v2.3.0
[INFO] [stderr]   Downloaded imap-proto v0.16.2
[INFO] [stderr]   Downloaded self_cell v1.0.1
[INFO] [stderr]   Downloaded stop-token v0.7.0
[INFO] [stderr]   Downloaded futures-macro v0.3.28
[INFO] [stderr]   Downloaded thiserror-impl v1.0.49
[INFO] [stderr]   Downloaded thiserror v1.0.49
[INFO] [stderr]   Downloaded async-native-tls v0.5.0
[INFO] [stderr]   Downloaded async-global-executor v2.3.1
[INFO] [stderr]   Downloaded async-signal v0.2.4
[INFO] [stderr]   Downloaded async-lock v2.8.0
[INFO] [stderr]   Downloaded atomic-waker v1.1.2
[INFO] [stderr]   Downloaded piper v0.2.1
[INFO] [stderr]   Downloaded blocking v1.4.1
[INFO] [stderr]   Downloaded event-listener v3.0.0
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded parking v2.1.1
[INFO] [stderr]   Downloaded futures-lite v1.13.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.6
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded async-std v1.12.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4939ba343c1542d6b3fc90646352dc617be72a95d04521d5050ae6d958cf7144
[INFO] running `Command { std: "docker" "start" "-a" "4939ba343c1542d6b3fc90646352dc617be72a95d04521d5050ae6d958cf7144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4939ba343c1542d6b3fc90646352dc617be72a95d04521d5050ae6d958cf7144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4939ba343c1542d6b3fc90646352dc617be72a95d04521d5050ae6d958cf7144", kill_on_drop: false }`
[INFO] [stdout] 4939ba343c1542d6b3fc90646352dc617be72a95d04521d5050ae6d958cf7144
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c916420f8b5d232d78c29035e257b0f8af746fd1d6c88170e194c59016e227e
[INFO] running `Command { std: "docker" "start" "-a" "4c916420f8b5d232d78c29035e257b0f8af746fd1d6c88170e194c59016e227e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking parking v2.1.1
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling rustix v0.37.25
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking async-task v4.4.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking tracing v0.1.39
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener v3.0.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking async-signal v0.2.4
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking imap-proto v0.16.2
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking stop-token v0.7.0
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking self_cell v1.0.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking async-native-tls v0.5.0
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking async-imap v0.9.1
[INFO] [stderr]     Checking imap_block v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{self, debug, error};
[INFO] [stdout]   |           ^^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{self, debug, error};
[INFO] [stdout]   |           ^^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.26s
[INFO] running `Command { std: "docker" "inspect" "4c916420f8b5d232d78c29035e257b0f8af746fd1d6c88170e194c59016e227e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c916420f8b5d232d78c29035e257b0f8af746fd1d6c88170e194c59016e227e", kill_on_drop: false }`
[INFO] [stdout] 4c916420f8b5d232d78c29035e257b0f8af746fd1d6c88170e194c59016e227e