[INFO] fetching crate dhall 0.13.0... [INFO] checking dhall-0.13.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate dhall 0.13.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate dhall 0.13.0 [INFO] finished tweaking crates.io crate dhall 0.13.0 [INFO] tweaked toml for crates.io crate dhall 0.13.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dhall 0.13.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate dhall 0.13.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9eb89d00fa71db355400cb1fad83a31a8ca96848e9545c5bfdbe3a08a7ec1dd9 [INFO] running `Command { std: "docker" "start" "-a" "9eb89d00fa71db355400cb1fad83a31a8ca96848e9545c5bfdbe3a08a7ec1dd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9eb89d00fa71db355400cb1fad83a31a8ca96848e9545c5bfdbe3a08a7ec1dd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eb89d00fa71db355400cb1fad83a31a8ca96848e9545c5bfdbe3a08a7ec1dd9", kill_on_drop: false }` [INFO] [stdout] 9eb89d00fa71db355400cb1fad83a31a8ca96848e9545c5bfdbe3a08a7ec1dd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 010055ff62c424c751a9a15fdaa584f004dc5e4fadcb87a02fb30ec2cdde4bfa [INFO] running `Command { std: "docker" "start" "-a" "010055ff62c424c751a9a15fdaa584f004dc5e4fadcb87a02fb30ec2cdde4bfa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling libc v0.2.131 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling tokio v1.20.1 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Compiling ucd-trie v0.1.4 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking tracing-core v0.1.29 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling openssl v0.10.41 [INFO] [stderr] Compiling serde v1.0.143 [INFO] [stderr] Compiling nom v7.1.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Checking tracing v0.1.36 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking unicode-normalization v0.1.21 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling typed-arena v2.0.1 [INFO] [stderr] Compiling either v1.7.0 [INFO] [stderr] Compiling abnf-core v0.5.0 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling abnf v0.12.0 [INFO] [stderr] Compiling pretty v0.11.3 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Compiling minicbor v0.18.0 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Compiling abnf_to_pest v0.5.1 [INFO] [stderr] Compiling semver v1.0.13 [INFO] [stderr] Checking tokio-util v0.7.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking h2 v0.3.13 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking cpufeatures v0.2.2 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling anyhow v1.0.61 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking elsa v1.7.0 [INFO] [stderr] Checking annotate-snippets v0.9.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking sha2 v0.10.2 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking half v2.1.0 [INFO] [stderr] Checking dissimilar v1.0.4 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking colored-diff v0.2.3 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking fs_extra v1.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.32 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling clap_derive v3.2.17 [INFO] [stderr] Compiling pest_consume_macros v1.1.0 [INFO] [stderr] Compiling thiserror v1.0.32 [INFO] [stderr] Checking pest v2.2.1 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Compiling pest_meta v2.2.1 [INFO] [stderr] Checking clap v3.2.17 [INFO] [stderr] Checking version-sync v0.9.4 [INFO] [stderr] Compiling pest_generator v2.2.1 [INFO] [stderr] Compiling dhall v0.13.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling pest_derive v2.2.1 [INFO] [stderr] Checking pest_consume v1.1.1 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.11 [INFO] [stderr] Checking libtest-mimic v0.5.2 [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/operations/kind.rs:98:24 [INFO] [stdout] | [INFO] [stdout] 98 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/expr.rs:140:24 [INFO] [stdout] | [INFO] [stdout] 140 | trivial_result(self.traverse_ref_maybe_binder(|l, x| Ok(map(l, x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/import.rs:84:24 [INFO] [stdout] | [INFO] [stdout] 84 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/import.rs:105:24 [INFO] [stdout] | [INFO] [stdout] 105 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/import.rs:124:24 [INFO] [stdout] | [INFO] [stdout] 124 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:292:33 [INFO] [stdout] | [INFO] [stdout] 292 | fn single_quote_char(input: ParseInput) -> ParseResult<&str> { [INFO] [stdout] | ^^^^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 292 | fn single_quote_char(input: ParseInput<'_>) -> ParseResult<&str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:296:35 [INFO] [stdout] | [INFO] [stdout] 296 | fn escaped_quote_pair(_input: ParseInput) -> ParseResult<&str> { [INFO] [stdout] | ^^^^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 296 | fn escaped_quote_pair(_input: ParseInput<'_>) -> ParseResult<&str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:300:38 [INFO] [stdout] | [INFO] [stdout] 300 | fn escaped_interpolation(_input: ParseInput) -> ParseResult<&str> { [INFO] [stdout] | ^^^^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 300 | fn escaped_interpolation(_input: ParseInput<'_>) -> ParseResult<&str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:568:16 [INFO] [stdout] | [INFO] [stdout] 568 | input: ParseInput, [INFO] [stdout] | ^^^^^^^^^^ the lifetime is hidden here [INFO] [stdout] 569 | ) -> ParseResult<&str> { [INFO] [stdout] | ^^^^ the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 568 | input: ParseInput<'_>, [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dhall` (lib) due to 5 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/operations/kind.rs:98:24 [INFO] [stdout] | [INFO] [stdout] 98 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/expr.rs:140:24 [INFO] [stdout] | [INFO] [stdout] 140 | trivial_result(self.traverse_ref_maybe_binder(|l, x| Ok(map(l, x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/import.rs:84:24 [INFO] [stdout] | [INFO] [stdout] 84 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/import.rs:105:24 [INFO] [stdout] | [INFO] [stdout] 105 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, X> [INFO] [stdout] --> src/syntax/ast/import.rs:124:24 [INFO] [stdout] | [INFO] [stdout] 124 | trivial_result(self.traverse_ref(|x| Ok(f(x)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:292:33 [INFO] [stdout] | [INFO] [stdout] 292 | fn single_quote_char(input: ParseInput) -> ParseResult<&str> { [INFO] [stdout] | ^^^^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 292 | fn single_quote_char(input: ParseInput<'_>) -> ParseResult<&str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:296:35 [INFO] [stdout] | [INFO] [stdout] 296 | fn escaped_quote_pair(_input: ParseInput) -> ParseResult<&str> { [INFO] [stdout] | ^^^^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 296 | fn escaped_quote_pair(_input: ParseInput<'_>) -> ParseResult<&str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:300:38 [INFO] [stdout] | [INFO] [stdout] 300 | fn escaped_interpolation(_input: ParseInput) -> ParseResult<&str> { [INFO] [stdout] | ^^^^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 300 | fn escaped_interpolation(_input: ParseInput<'_>) -> ParseResult<&str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/syntax/text/parser.rs:568:16 [INFO] [stdout] | [INFO] [stdout] 568 | input: ParseInput, [INFO] [stdout] | ^^^^^^^^^^ the lifetime is hidden here [INFO] [stdout] 569 | ) -> ParseResult<&str> { [INFO] [stdout] | ^^^^ the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 568 | input: ParseInput<'_>, [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dhall` (lib test) due to 5 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "010055ff62c424c751a9a15fdaa584f004dc5e4fadcb87a02fb30ec2cdde4bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "010055ff62c424c751a9a15fdaa584f004dc5e4fadcb87a02fb30ec2cdde4bfa", kill_on_drop: false }` [INFO] [stdout] 010055ff62c424c751a9a15fdaa584f004dc5e4fadcb87a02fb30ec2cdde4bfa