[INFO] fetching crate zulip_rs 0.2.0...
[INFO] testing zulip_rs-0.2.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate zulip_rs 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate zulip_rs 0.2.0
[INFO] finished tweaking crates.io crate zulip_rs 0.2.0
[INFO] tweaked toml for crates.io crate zulip_rs 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zulip_rs 0.2.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 271 packages to latest compatible versions
[INFO] [stderr]       Adding httpmock v0.5.8 (available: v0.8.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.23)
[INFO] [stderr]       Adding serde_qs v0.8.5 (available: v0.15.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded basic-cookies v0.1.5
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded levenshtein v1.0.5
[INFO] [stderr]   Downloaded async-object-pool v0.1.5
[INFO] [stderr]   Downloaded httpmock v0.5.8
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.11+1.64.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bded1196acae5f3bb421c1f5a5e0e6670224b241889e77ef664516929cc46860
[INFO] running `Command { std: "docker" "start" "-a" "bded1196acae5f3bb421c1f5a5e0e6670224b241889e77ef664516929cc46860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bded1196acae5f3bb421c1f5a5e0e6670224b241889e77ef664516929cc46860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bded1196acae5f3bb421c1f5a5e0e6670224b241889e77ef664516929cc46860", kill_on_drop: false }`
[INFO] [stdout] bded1196acae5f3bb421c1f5a5e0e6670224b241889e77ef664516929cc46860
[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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfcfbfd8edda3c135555922dbb79ee30ceeaacb3646ec9b405152250128f76af
[INFO] running `Command { std: "docker" "start" "-a" "dfcfbfd8edda3c135555922dbb79ee30ceeaacb3646ec9b405152250128f76af", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling zulip_rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `code` and `msg` are never read
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct CommonMessageError {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 18 |     code: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     msg: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommonMessageError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `msg` are never read
[INFO] [stdout]    --> src/message.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct DeleteMessageError {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 157 |     code: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 158 |     msg: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DeleteMessageError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `Command { std: "docker" "inspect" "dfcfbfd8edda3c135555922dbb79ee30ceeaacb3646ec9b405152250128f76af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcfbfd8edda3c135555922dbb79ee30ceeaacb3646ec9b405152250128f76af", kill_on_drop: false }`
[INFO] [stdout] dfcfbfd8edda3c135555922dbb79ee30ceeaacb3646ec9b405152250128f76af
[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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86fd5fd8df87b4dee182623694b49d02d931d0fe0d12d5d6957d26f011f6f60c
[INFO] running `Command { std: "docker" "start" "-a" "86fd5fd8df87b4dee182623694b49d02d931d0fe0d12d5d6957d26f011f6f60c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.11+1.64.0
[INFO] [stderr]    Compiling curl-sys v0.4.83+curl-8.15.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling isahc v1.7.2
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling castaway v0.1.2
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling levenshtein v1.0.5
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stdout] warning: fields `code` and `msg` are never read
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct CommonMessageError {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 18 |     code: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     msg: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommonMessageError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `msg` are never read
[INFO] [stdout]    --> src/message.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct DeleteMessageError {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 157 |     code: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 158 |     msg: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DeleteMessageError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling async-object-pool v0.1.5
[INFO] [stderr]    Compiling basic-cookies v0.1.5
[INFO] [stderr]    Compiling httpmock v0.5.8
[INFO] [stdout] error[E0432]: unresolved import `regex::internal`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/httpmock-0.5.8/src/server/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | use regex::internal::Input;
[INFO] [stdout]    |            ^^^^^^^^ could not find `internal` in `regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `httpmock` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "86fd5fd8df87b4dee182623694b49d02d931d0fe0d12d5d6957d26f011f6f60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86fd5fd8df87b4dee182623694b49d02d931d0fe0d12d5d6957d26f011f6f60c", kill_on_drop: false }`
[INFO] [stdout] 86fd5fd8df87b4dee182623694b49d02d931d0fe0d12d5d6957d26f011f6f60c