[INFO] fetching crate bipf-rs 0.1.1... [INFO] checking bipf-rs-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate bipf-rs 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate bipf-rs 0.1.1 [INFO] finished tweaking crates.io crate bipf-rs 0.1.1 [INFO] tweaked toml for crates.io crate bipf-rs 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bipf-rs 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 78 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.11.0) [INFO] [stderr] Adding integer-encoding v3.0.4 (available: v4.0.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a25be64839d701873452875f79a55f004088033ab223b6b8b0b711bbb992f25b [INFO] running `Command { std: "docker" "start" "-a" "a25be64839d701873452875f79a55f004088033ab223b6b8b0b711bbb992f25b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a25be64839d701873452875f79a55f004088033ab223b6b8b0b711bbb992f25b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a25be64839d701873452875f79a55f004088033ab223b6b8b0b711bbb992f25b", kill_on_drop: false }` [INFO] [stdout] a25be64839d701873452875f79a55f004088033ab223b6b8b0b711bbb992f25b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98834dae0566d962c0755d99f9fb1beb52911ef03c063a7cb84637efe7df2202 [INFO] running `Command { std: "docker" "start" "-a" "98834dae0566d962c0755d99f9fb1beb52911ef03c063a7cb84637efe7df2202", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking integer-encoding v3.0.4 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking indexmap v2.11.0 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking bipf-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/bipf.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(input: &'a Value) -> JType { [INFO] [stdout] | ^^ ----- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(input: &'a Value) -> JType<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | buf.write(&varint); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 89 | let _ = buf.write(&varint); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:93:17 [INFO] [stdout] | [INFO] [stdout] 93 | buf.write(v.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 93 | let _ = buf.write(v.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | buf.write(&v.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = buf.write(&v.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | buf.write(&int.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 101 | let _ = buf.write(&int.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:105:17 [INFO] [stdout] | [INFO] [stdout] 105 | buf.write(&float.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 105 | let _ = buf.write(&float.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:112:25 [INFO] [stdout] | [INFO] [stdout] 112 | buf.write(&[if *b { 1 } else { 0 }]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = buf.write(&[if *b { 1 } else { 0 }]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | buf.flush(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = buf.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/bipf.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(input: &'a Value) -> JType { [INFO] [stdout] | ^^ ----- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(input: &'a Value) -> JType<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | buf.write(&varint); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 89 | let _ = buf.write(&varint); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:93:17 [INFO] [stdout] | [INFO] [stdout] 93 | buf.write(v.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 93 | let _ = buf.write(v.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | buf.write(&v.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = buf.write(&v.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | buf.write(&int.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 101 | let _ = buf.write(&int.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:105:17 [INFO] [stdout] | [INFO] [stdout] 105 | buf.write(&float.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 105 | let _ = buf.write(&float.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:112:25 [INFO] [stdout] | [INFO] [stdout] 112 | buf.write(&[if *b { 1 } else { 0 }]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = buf.write(&[if *b { 1 } else { 0 }]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bipf.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | buf.flush(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = buf.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.99s [INFO] running `Command { std: "docker" "inspect" "98834dae0566d962c0755d99f9fb1beb52911ef03c063a7cb84637efe7df2202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98834dae0566d962c0755d99f9fb1beb52911ef03c063a7cb84637efe7df2202", kill_on_drop: false }` [INFO] [stdout] 98834dae0566d962c0755d99f9fb1beb52911ef03c063a7cb84637efe7df2202