[INFO] fetching crate howto 0.4.0... [INFO] checking howto-0.4.0 against master#eb10639928a2781cf0a12440007fbcc1e3a6888f for pr-127827-1 [INFO] extracting crate howto 0.4.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate howto 0.4.0 on toolchain eb10639928a2781cf0a12440007fbcc1e3a6888f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate howto 0.4.0 [INFO] finished tweaking crates.io crate howto 0.4.0 [INFO] tweaked toml for crates.io crate howto 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 200 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.3.0) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding cssparser v0.25.9 (latest: v0.34.0) [INFO] [stderr] Adding cssparser-macros v0.3.6 (latest: v0.6.1) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding h2 v0.2.7 (latest: v0.4.5) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding html5ever v0.22.5 (latest: v0.27.0) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.3.1 (latest: v1.0.1) [INFO] [stderr] Adding httpdate v0.3.2 (latest: v1.0.3) [INFO] [stderr] Adding hyper v0.13.10 (latest: v1.4.1) [INFO] [stderr] Adding hyper-tls v0.4.3 (latest: v0.6.0) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.4) [INFO] [stderr] Adding markup5ever v0.7.5 (latest: v0.12.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v1.0.1) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding phf v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_codegen v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.36) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding reqwest v0.10.10 (latest: v0.12.5) [INFO] [stderr] Adding scraper v0.10.1 (latest: v0.19.1) [INFO] [stderr] Adding selectors v0.21.0 (latest: v0.25.0) [INFO] [stderr] Adding servo_arc v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding siphasher v0.2.3 (latest: v1.0.1) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding socket2 v0.3.19 (latest: v0.5.7) [INFO] [stderr] Adding string_cache v0.7.5 (latest: v0.8.7) [INFO] [stderr] Adding string_cache_codegen v0.4.4 (latest: v0.5.2) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.72) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.72) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.39.1) [INFO] [stderr] Adding tokio-macros v0.2.6 (latest: v2.4.0) [INFO] [stderr] Adding tokio-util v0.3.1 (latest: v0.7.11) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding winreg v0.7.0 (latest: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tendril v0.4.3 [INFO] [stderr] Downloaded scraper v0.10.1 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.6 [INFO] [stderr] Downloaded mac v0.1.1 [INFO] [stderr] Downloaded futf v0.1.5 [INFO] [stderr] Downloaded string_cache_shared v0.3.0 [INFO] [stderr] Downloaded string_cache_codegen v0.4.4 [INFO] [stderr] Downloaded ego-tree v0.6.2 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded string_cache v0.7.5 [INFO] [stderr] Downloaded markup5ever v0.7.5 [INFO] [stderr] Downloaded nodrop v0.1.14 [INFO] [stderr] Downloaded cssparser v0.25.9 [INFO] [stderr] Downloaded rand_isaac v0.1.1 [INFO] [stderr] Downloaded rand v0.6.5 [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded dtoa v1.0.9 [INFO] [stderr] Downloaded procedural-masquerade v0.1.7 [INFO] [stderr] Downloaded rand_chacha v0.1.1 [INFO] [stderr] Downloaded syn v0.15.44 [INFO] [stderr] Downloaded html5ever v0.22.5 [INFO] [stderr] Downloaded rand_jitter v0.1.4 [INFO] [stderr] Downloaded rand_os v0.1.3 [INFO] [stderr] Downloaded rand_pcg v0.1.2 [INFO] [stderr] Downloaded siphasher v0.2.3 [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded cssparser-macros v0.3.6 [INFO] [stderr] Downloaded dtoa-short v0.3.5 [INFO] [stderr] Downloaded rand_xorshift v0.1.1 [INFO] [stderr] Downloaded servo_arc v0.1.1 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded phf_shared v0.7.24 [INFO] [stderr] Downloaded phf_codegen v0.7.24 [INFO] [stderr] Downloaded unicode-width v0.1.13 [INFO] [stderr] Downloaded precomputed-hash v0.1.1 [INFO] [stderr] Downloaded thin-slice v0.1.1 [INFO] [stderr] Downloaded selectors v0.21.0 [INFO] [stderr] Downloaded fxhash v0.2.1 [INFO] [stderr] Downloaded phf v0.7.24 [INFO] [stderr] Downloaded rand_hc v0.1.0 [INFO] [stderr] Downloaded autocfg v0.1.8 [INFO] [stderr] Downloaded phf_generator v0.7.24 [INFO] [stderr] Downloaded smallvec v0.6.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e3f5fc74db1b625f9d8c84cb9e41930c6053253daab943dca07fe697e7121f5 [INFO] running `Command { std: "docker" "start" "-a" "4e3f5fc74db1b625f9d8c84cb9e41930c6053253daab943dca07fe697e7121f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e3f5fc74db1b625f9d8c84cb9e41930c6053253daab943dca07fe697e7121f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e3f5fc74db1b625f9d8c84cb9e41930c6053253daab943dca07fe697e7121f5", kill_on_drop: false }` [INFO] [stdout] 4e3f5fc74db1b625f9d8c84cb9e41930c6053253daab943dca07fe697e7121f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a9820cbb00a0f9f82c4f588880d36508c2ad9e41540c927d4c536ea5b59b30a [INFO] running `Command { std: "docker" "start" "-a" "6a9820cbb00a0f9f82c4f588880d36508c2ad9e41540c927d4c536ea5b59b30a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling cc v1.1.6 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling serde_json v1.0.120 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Compiling procedural-masquerade v0.1.7 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Checking dtoa-short v0.3.5 [INFO] [stderr] Checking tendril v0.4.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling selectors v0.21.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking object v0.36.2 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ego-tree v0.6.2 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling cssparser v0.25.9 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Compiling cssparser-macros v0.3.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking addr2line v0.22.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling html5ever v0.22.5 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling markup5ever v0.7.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking scraper v0.10.1 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking howto v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` 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 1m 21s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.22.5 [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" "6a9820cbb00a0f9f82c4f588880d36508c2ad9e41540c927d4c536ea5b59b30a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a9820cbb00a0f9f82c4f588880d36508c2ad9e41540c927d4c536ea5b59b30a", kill_on_drop: false }` [INFO] [stdout] 6a9820cbb00a0f9f82c4f588880d36508c2ad9e41540c927d4c536ea5b59b30a [INFO] checking howto-0.4.0 against try#357cc345f0a672ac4bee347eb89b7552541416c1 for pr-127827-1 [INFO] extracting crate howto 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate howto 0.4.0 on toolchain 357cc345f0a672ac4bee347eb89b7552541416c1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate howto 0.4.0 [INFO] finished tweaking crates.io crate howto 0.4.0 [INFO] tweaked toml for crates.io crate howto 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 200 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.3.0) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding cssparser v0.25.9 (latest: v0.34.0) [INFO] [stderr] Adding cssparser-macros v0.3.6 (latest: v0.6.1) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding h2 v0.2.7 (latest: v0.4.5) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding html5ever v0.22.5 (latest: v0.27.0) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.3.1 (latest: v1.0.1) [INFO] [stderr] Adding httpdate v0.3.2 (latest: v1.0.3) [INFO] [stderr] Adding hyper v0.13.10 (latest: v1.4.1) [INFO] [stderr] Adding hyper-tls v0.4.3 (latest: v0.6.0) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.4) [INFO] [stderr] Adding markup5ever v0.7.5 (latest: v0.12.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v1.0.1) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding phf v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_codegen v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.36) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding reqwest v0.10.10 (latest: v0.12.5) [INFO] [stderr] Adding scraper v0.10.1 (latest: v0.19.1) [INFO] [stderr] Adding selectors v0.21.0 (latest: v0.25.0) [INFO] [stderr] Adding servo_arc v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding siphasher v0.2.3 (latest: v1.0.1) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding socket2 v0.3.19 (latest: v0.5.7) [INFO] [stderr] Adding string_cache v0.7.5 (latest: v0.8.7) [INFO] [stderr] Adding string_cache_codegen v0.4.4 (latest: v0.5.2) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.72) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.72) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.39.1) [INFO] [stderr] Adding tokio-macros v0.2.6 (latest: v2.4.0) [INFO] [stderr] Adding tokio-util v0.3.1 (latest: v0.7.11) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding winreg v0.7.0 (latest: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44f517dba768403617ec9a926f9ebd7d4371c59202286333ed25e62f12c24193 [INFO] running `Command { std: "docker" "start" "-a" "44f517dba768403617ec9a926f9ebd7d4371c59202286333ed25e62f12c24193", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44f517dba768403617ec9a926f9ebd7d4371c59202286333ed25e62f12c24193", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44f517dba768403617ec9a926f9ebd7d4371c59202286333ed25e62f12c24193", kill_on_drop: false }` [INFO] [stdout] 44f517dba768403617ec9a926f9ebd7d4371c59202286333ed25e62f12c24193 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b453373fe9f045dbc42aef7a04205cfecdd3bdae5f9bfaf25b79d189f8784c94 [INFO] running `Command { std: "docker" "start" "-a" "b453373fe9f045dbc42aef7a04205cfecdd3bdae5f9bfaf25b79d189f8784c94", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling cc v1.1.6 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling serde_json v1.0.120 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling procedural-masquerade v0.1.7 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Checking tendril v0.4.3 [INFO] [stderr] Checking dtoa-short v0.3.5 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling selectors v0.21.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking object v0.36.2 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking ego-tree v0.6.2 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking addr2line v0.22.0 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling cssparser v0.25.9 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Compiling cssparser-macros v0.3.6 [INFO] [stderr] Compiling html5ever v0.22.5 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling markup5ever v0.7.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking scraper v0.10.1 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking howto v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stdout] --> src/lib.rs:147:20 [INFO] [stdout] | [INFO] [stdout] 147 | .map(move |link| async move { get_answer(&link).await.ok() }) [INFO] [stdout] | ^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `Sized` is not implemented for `str` [INFO] [stdout] = note: all local variables must have a statically known size [INFO] [stdout] = help: unsized locals are gated as an unstable feature [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0631]: type mismatch in function arguments [INFO] [stdout] --> src/lib.rs:147:14 [INFO] [stdout] | [INFO] [stdout] 147 | .map(move |link| async move { get_answer(&link).await.ok() }) [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | expected due to this [INFO] [stdout] | | found signature defined here [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: expected function signature `fn(String) -> _` [INFO] [stdout] found function signature `fn(str) -> _` [INFO] [stdout] note: required by a bound in `std::iter::Iterator::map` [INFO] [stdout] --> /rustc/357cc345f0a672ac4bee347eb89b7552541416c1/library/core/src/iter/traits/iterator.rs:762:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stdout] --> src/lib.rs:147:20 [INFO] [stdout] | [INFO] [stdout] 147 | .map(move |link| async move { get_answer(&link).await.ok() }) [INFO] [stdout] | ^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `Sized` is not implemented for `str` [INFO] [stdout] = note: all local variables must have a statically known size [INFO] [stdout] = help: unsized locals are gated as an unstable feature [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0631]: type mismatch in function arguments [INFO] [stdout] --> src/lib.rs:147:14 [INFO] [stdout] | [INFO] [stdout] 147 | .map(move |link| async move { get_answer(&link).await.ok() }) [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | expected due to this [INFO] [stdout] | | found signature defined here [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: expected function signature `fn(String) -> _` [INFO] [stdout] found function signature `fn(str) -> _` [INFO] [stdout] note: required by a bound in `std::iter::Iterator::map` [INFO] [stdout] --> /rustc/357cc345f0a672ac4bee347eb89b7552541416c1/library/core/src/iter/traits/iterator.rs:762:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `collect` exists for struct `Map, {async closure@lib.rs:147:14}>`, but its trait bounds were not satisfied [INFO] [stdout] --> src/lib.rs:148:10 [INFO] [stdout] | [INFO] [stdout] 145 | let prefetch_stream = links [INFO] [stdout] | ___________________________- [INFO] [stdout] 146 | | .into_iter() [INFO] [stdout] 147 | | .map(move |link| async move { get_answer(&link).await.ok() }) [INFO] [stdout] 148 | | .collect::>() [INFO] [stdout] | | -^^^^^^^ method cannot be called due to unsatisfied trait bounds [INFO] [stdout] | |_________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::Stream` [INFO] [stdout] which is required by `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: StreamExt` [INFO] [stdout] `<{async closure@src/lib.rs:147:14: 147:25} as FnOnce<(String,)>>::Output = _` [INFO] [stdout] which is required by `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: Iterator` [INFO] [stdout] `&std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::Stream` [INFO] [stdout] which is required by `&std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: StreamExt` [INFO] [stdout] `&mut std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::Stream` [INFO] [stdout] which is required by `&mut std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: StreamExt` [INFO] [stdout] `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: Iterator` [INFO] [stdout] which is required by `&mut std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `collect` exists for struct `Map, {async closure@lib.rs:147:14}>`, but its trait bounds were not satisfied [INFO] [stdout] --> src/lib.rs:148:10 [INFO] [stdout] | [INFO] [stdout] 145 | let prefetch_stream = links [INFO] [stdout] | ___________________________- [INFO] [stdout] 146 | | .into_iter() [INFO] [stdout] 147 | | .map(move |link| async move { get_answer(&link).await.ok() }) [INFO] [stdout] 148 | | .collect::>() [INFO] [stdout] | | -^^^^^^^ method cannot be called due to unsatisfied trait bounds [INFO] [stdout] | |_________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::Stream` [INFO] [stdout] which is required by `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::StreamExt` [INFO] [stdout] `<{async closure@src/lib.rs:147:14: 147:25} as FnOnce<(String,)>>::Output = _` [INFO] [stdout] which is required by `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: Iterator` [INFO] [stdout] `&std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::Stream` [INFO] [stdout] which is required by `&std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::StreamExt` [INFO] [stdout] `&mut std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::Stream` [INFO] [stdout] which is required by `&mut std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: futures::StreamExt` [INFO] [stdout] `std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: Iterator` [INFO] [stdout] which is required by `&mut std::iter::Map, {async closure@src/lib.rs:147:14: 147:25}>: Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599, E0631. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `howto` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599, E0631. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `howto` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "b453373fe9f045dbc42aef7a04205cfecdd3bdae5f9bfaf25b79d189f8784c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b453373fe9f045dbc42aef7a04205cfecdd3bdae5f9bfaf25b79d189f8784c94", kill_on_drop: false }` [INFO] [stdout] b453373fe9f045dbc42aef7a04205cfecdd3bdae5f9bfaf25b79d189f8784c94