[INFO] updating cached repository https://github.com/iafisher/popquiz [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 21d3d6321917d28885b2db1e0f5ed4adaf7e6d63 [INFO] checking iafisher/popquiz against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiafisher%2Fpopquiz" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iafisher/popquiz on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/iafisher/popquiz [INFO] finished tweaking git repo https://github.com/iafisher/popquiz [INFO] tweaked toml for git repo https://github.com/iafisher/popquiz written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/iafisher/popquiz already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1273d8b9ab1c7058eb4b0c19f5cc701226e3e1d33e5b40cb96ea008a1ef30f82 [INFO] running `"docker" "start" "-a" "1273d8b9ab1c7058eb4b0c19f5cc701226e3e1d33e5b40cb96ea008a1ef30f82"` [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Checking rustyline v4.1.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking structopt v0.2.16 [INFO] [stderr] Checking popquiz v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1632:32 [INFO] [stderr] | [INFO] [stderr] 1632 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1632:32 [INFO] [stderr] | [INFO] [stderr] 1632 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `tags` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1160:17 [INFO] [stderr] | [INFO] [stderr] 1159 | if let Some(n) = tags.get(tag.as_str()) { [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 1160 | tags.insert(tag.as_str(), n+1); [INFO] [stderr] | ^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `tags` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1160:17 [INFO] [stderr] | [INFO] [stderr] 1159 | if let Some(n) = tags.get(tag.as_str()) { [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 1160 | tags.insert(tag.as_str(), n+1); [INFO] [stderr] | ^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1317:9 [INFO] [stderr] | [INFO] [stderr] 1316 | if let Some(side1) = ret.get("side1") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] 1317 | ret.insert(String::from("text"), serde_json::json!(side1)); [INFO] [stderr] | ^^^ mutable borrow occurs here ------------------------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1321:9 [INFO] [stderr] | [INFO] [stderr] 1320 | if let Some(side2) = ret.get("side2") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] 1321 | ret.insert(String::from("answer"), serde_json::json!(side2)); [INFO] [stderr] | ^^^ mutable borrow occurs here ------------------------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1355:13 [INFO] [stderr] | [INFO] [stderr] 1353 | if let Some(text) = ret.get("text") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] 1354 | if text.is_string() { [INFO] [stderr] 1355 | ret.insert(String::from("text"), serde_json::json!([text])); [INFO] [stderr] | ^^^ mutable borrow occurs here ------------------------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1365:17 [INFO] [stderr] | [INFO] [stderr] 1362 | if let Some(answer) = ret.get("answer") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1365 | ret.insert( [INFO] [stderr] | ^^^ mutable borrow occurs here [INFO] [stderr] 1366 | String::from("answer_list"), [INFO] [stderr] 1367 | serde_json::json!([{"variants": answer.clone()}]) [INFO] [stderr] | ------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1371:17 [INFO] [stderr] | [INFO] [stderr] 1362 | if let Some(answer) = ret.get("answer") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1371 | ret.insert( [INFO] [stderr] | ^^^ mutable borrow occurs here [INFO] [stderr] 1372 | String::from("answer_list"), [INFO] [stderr] 1373 | serde_json::json!([{"variants": [answer.clone()]}]) [INFO] [stderr] | ------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1317:9 [INFO] [stderr] | [INFO] [stderr] 1316 | if let Some(side1) = ret.get("side1") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] 1317 | ret.insert(String::from("text"), serde_json::json!(side1)); [INFO] [stderr] | ^^^ mutable borrow occurs here ------------------------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1321:9 [INFO] [stderr] | [INFO] [stderr] 1320 | if let Some(side2) = ret.get("side2") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] 1321 | ret.insert(String::from("answer"), serde_json::json!(side2)); [INFO] [stderr] | ^^^ mutable borrow occurs here ------------------------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1355:13 [INFO] [stderr] | [INFO] [stderr] 1353 | if let Some(text) = ret.get("text") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] 1354 | if text.is_string() { [INFO] [stderr] 1355 | ret.insert(String::from("text"), serde_json::json!([text])); [INFO] [stderr] | ^^^ mutable borrow occurs here ------------------------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1365:17 [INFO] [stderr] | [INFO] [stderr] 1362 | if let Some(answer) = ret.get("answer") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1365 | ret.insert( [INFO] [stderr] | ^^^ mutable borrow occurs here [INFO] [stderr] 1366 | String::from("answer_list"), [INFO] [stderr] 1367 | serde_json::json!([{"variants": answer.clone()}]) [INFO] [stderr] | ------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `ret` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:1371:17 [INFO] [stderr] | [INFO] [stderr] 1362 | if let Some(answer) = ret.get("answer") { [INFO] [stderr] | --- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1371 | ret.insert( [INFO] [stderr] | ^^^ mutable borrow occurs here [INFO] [stderr] 1372 | String::from("answer_list"), [INFO] [stderr] 1373 | serde_json::json!([{"variants": [answer.clone()]}]) [INFO] [stderr] | ------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.80s [INFO] running `"docker" "inspect" "1273d8b9ab1c7058eb4b0c19f5cc701226e3e1d33e5b40cb96ea008a1ef30f82"` [INFO] running `"docker" "rm" "-f" "1273d8b9ab1c7058eb4b0c19f5cc701226e3e1d33e5b40cb96ea008a1ef30f82"` [INFO] [stdout] 1273d8b9ab1c7058eb4b0c19f5cc701226e3e1d33e5b40cb96ea008a1ef30f82