[INFO] fetching crate imbak 0.1.1...
[INFO] building imbak-0.1.1 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate imbak 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate imbak 0.1.1 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imbak 0.1.1
[INFO] finished tweaking crates.io crate imbak 0.1.1
[INFO] tweaked toml for crates.io crate imbak 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate imbak 0.1.1 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] debfbf6e7524716383f3a96f356adbd2be51a105124294adfbf3ae8069a8b2db
[INFO] running `Command { std: "docker" "start" "-a" "debfbf6e7524716383f3a96f356adbd2be51a105124294adfbf3ae8069a8b2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "debfbf6e7524716383f3a96f356adbd2be51a105124294adfbf3ae8069a8b2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debfbf6e7524716383f3a96f356adbd2be51a105124294adfbf3ae8069a8b2db", kill_on_drop: false }`
[INFO] [stdout] debfbf6e7524716383f3a96f356adbd2be51a105124294adfbf3ae8069a8b2db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab009888c1d5b4d48b565e6bbb7c078c825d374d2d0eb224bebb8285d9dfc5e
[INFO] running `Command { std: "docker" "start" "-a" "4ab009888c1d5b4d48b565e6bbb7c078c825d374d2d0eb224bebb8285d9dfc5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.38.3
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.7.3
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling clap_builder v4.3.11
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling rtoolbox v0.0.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling secrecy v0.8.0
[INFO] [stderr]    Compiling rpassword v7.2.0
[INFO] [stderr]    Compiling regex-automata v0.3.2
[INFO] [stderr]    Compiling imap-proto v0.10.2
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling clap v4.3.11
[INFO] [stderr]    Compiling imap v2.4.1
[INFO] [stderr]    Compiling imbak v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/simple_imap/imap_mailbox.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct ImapMailbox<S: AsRef<str>> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub name: ImapMailboxName<S>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4ab009888c1d5b4d48b565e6bbb7c078c825d374d2d0eb224bebb8285d9dfc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab009888c1d5b4d48b565e6bbb7c078c825d374d2d0eb224bebb8285d9dfc5e", kill_on_drop: false }`
[INFO] [stdout] 4ab009888c1d5b4d48b565e6bbb7c078c825d374d2d0eb224bebb8285d9dfc5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63791a7f70915daf0edddb9cd68d7a980cd8db4a977f71012dd50c8442f72d02
[INFO] running `Command { std: "docker" "start" "-a" "63791a7f70915daf0edddb9cd68d7a980cd8db4a977f71012dd50c8442f72d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling imbak v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/simple_imap/imap_mailbox.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct ImapMailbox<S: AsRef<str>> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub name: ImapMailboxName<S>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "63791a7f70915daf0edddb9cd68d7a980cd8db4a977f71012dd50c8442f72d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63791a7f70915daf0edddb9cd68d7a980cd8db4a977f71012dd50c8442f72d02", kill_on_drop: false }`
[INFO] [stdout] 63791a7f70915daf0edddb9cd68d7a980cd8db4a977f71012dd50c8442f72d02