[INFO] fetching crate nop-json 2.0.5... [INFO] testing nop-json-2.0.5 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] extracting crate nop-json 2.0.5 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate nop-json 2.0.5 on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nop-json 2.0.5 [INFO] finished tweaking crates.io crate nop-json 2.0.5 [INFO] tweaked toml for crates.io crate nop-json 2.0.5 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f5306f573f220954ada04dab52fb40fc0f3baf0caa1bb8e12ee1efaacfbddeea [INFO] running `Command { std: "docker" "start" "-a" "f5306f573f220954ada04dab52fb40fc0f3baf0caa1bb8e12ee1efaacfbddeea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5306f573f220954ada04dab52fb40fc0f3baf0caa1bb8e12ee1efaacfbddeea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5306f573f220954ada04dab52fb40fc0f3baf0caa1bb8e12ee1efaacfbddeea", kill_on_drop: false }` [INFO] [stdout] f5306f573f220954ada04dab52fb40fc0f3baf0caa1bb8e12ee1efaacfbddeea [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6163c69698ee23617874891bdb393f94949ff97fe6b1ea8e7d444b19f4b322e6 [INFO] running `Command { std: "docker" "start" "-a" "6163c69698ee23617874891bdb393f94949ff97fe6b1ea8e7d444b19f4b322e6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling numtoa v0.2.4 [INFO] [stderr] Compiling nop-json-derive v2.0.5 [INFO] [stderr] Compiling nop-json v2.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/write_to_json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `DebugToJson` in the macro namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/write_to_json.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use nop_json_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/write_to_json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1169:4 [INFO] [stdout] | [INFO] [stdout] 1169 | &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1169 | let _ = &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1184:4 [INFO] [stdout] | [INFO] [stdout] 1184 | &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1184 | let _ = &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1200:4 [INFO] [stdout] | [INFO] [stdout] 1200 | &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1200 | let _ = &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2035:6 [INFO] [stdout] | [INFO] [stdout] 2035 | { &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2035 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2039:6 [INFO] [stdout] | [INFO] [stdout] 2039 | { &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2039 | { let _ = &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2043:6 [INFO] [stdout] | [INFO] [stdout] 2043 | { &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2043 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/debug_to_json.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.58s [INFO] running `Command { std: "docker" "inspect" "6163c69698ee23617874891bdb393f94949ff97fe6b1ea8e7d444b19f4b322e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6163c69698ee23617874891bdb393f94949ff97fe6b1ea8e7d444b19f4b322e6", kill_on_drop: false }` [INFO] [stdout] 6163c69698ee23617874891bdb393f94949ff97fe6b1ea8e7d444b19f4b322e6 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1899d344b22419b552cd9639b08c2c1077009fc448aebb441967e91aba46e278 [INFO] running `Command { std: "docker" "start" "-a" "1899d344b22419b552cd9639b08c2c1077009fc448aebb441967e91aba46e278", kill_on_drop: false }` [INFO] [stderr] Compiling read_iter v0.1.2 [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/write_to_json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `DebugToJson` in the macro namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/write_to_json.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use nop_json_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/write_to_json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1169:4 [INFO] [stdout] | [INFO] [stdout] 1169 | &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1169 | let _ = &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1184:4 [INFO] [stdout] | [INFO] [stdout] 1184 | &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1184 | let _ = &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1200:4 [INFO] [stdout] | [INFO] [stdout] 1200 | &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1200 | let _ = &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2035:6 [INFO] [stdout] | [INFO] [stdout] 2035 | { &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2035 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2039:6 [INFO] [stdout] | [INFO] [stdout] 2039 | { &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2039 | { let _ = &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2043:6 [INFO] [stdout] | [INFO] [stdout] 2043 | { &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2043 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/debug_to_json.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nop-json v2.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/write_to_json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `DebugToJson` in the macro namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/write_to_json.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use nop_json_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/write_to_json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1169:4 [INFO] [stdout] | [INFO] [stdout] 1169 | &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1169 | let _ = &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1184:4 [INFO] [stdout] | [INFO] [stdout] 1184 | &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1184 | let _ = &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:1200:4 [INFO] [stdout] | [INFO] [stdout] 1200 | &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1200 | let _ = &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2035:6 [INFO] [stdout] | [INFO] [stdout] 2035 | { &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2035 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2039:6 [INFO] [stdout] | [INFO] [stdout] 2039 | { &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2039 | { let _ = &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nop_json.rs:2043:6 [INFO] [stdout] | [INFO] [stdout] 2043 | { &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2043 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/debug_to_json.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "1899d344b22419b552cd9639b08c2c1077009fc448aebb441967e91aba46e278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1899d344b22419b552cd9639b08c2c1077009fc448aebb441967e91aba46e278", kill_on_drop: false }` [INFO] [stdout] 1899d344b22419b552cd9639b08c2c1077009fc448aebb441967e91aba46e278 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64ee6e9e353eaa6ea24f899232ef3a8c4f9ad521f618bd940d9803931a4e5a43 [INFO] running `Command { std: "docker" "start" "-a" "64ee6e9e353eaa6ea24f899232ef3a8c4f9ad521f618bd940d9803931a4e5a43", kill_on_drop: false }` [INFO] [stderr] warning: private item shadows public glob re-export [INFO] [stderr] --> src/write_to_json.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the name `DebugToJson` in the macro namespace is supposed to be publicly re-exported here [INFO] [stderr] --> src/write_to_json.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | pub use nop_json_derive::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] note: but the private item here shadows it [INFO] [stderr] --> src/write_to_json.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::debug_to_json::DebugToJson; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/nop_json.rs:1169:4 [INFO] [stderr] | [INFO] [stderr] 1169 | &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 1169 | let _ = &mut buffer[pos+len .. pos+len+e].copy_from_slice(&FORMAT_NUM_WIDTH_Z[0 .. e]); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/nop_json.rs:1184:4 [INFO] [stderr] | [INFO] [stderr] 1184 | &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 1184 | let _ = &mut buffer[pos .. pos+e-len+2].copy_from_slice(&FORMAT_NUM_WIDTH_0Z[0 .. e-len+2]); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/nop_json.rs:1200:4 [INFO] [stderr] | [INFO] [stderr] 1200 | &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 1200 | let _ = &mut buffer[len .. len+exponent_str.len()].copy_from_slice(exponent_str); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/nop_json.rs:2035:6 [INFO] [stderr] | [INFO] [stderr] 2035 | { &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 2035 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"null"); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/nop_json.rs:2039:6 [INFO] [stderr] | [INFO] [stderr] 2039 | { &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 2039 | { let _ = &mut self.buffer[0 .. 5].copy_from_slice(b"false"); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/nop_json.rs:2043:6 [INFO] [stderr] | [INFO] [stderr] 2043 | { &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 2043 | { let _ = &mut self.buffer[0 .. 4].copy_from_slice(b"true"); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/debug_to_json.rs:176:5 [INFO] [stderr] | [INFO] [stderr] 176 | &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 176 | let _ = &mut buffer[0 .. mantissa.len()].copy_from_slice(&mantissa); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `nop-json` (lib) generated 8 warnings [INFO] [stderr] warning: `nop-json` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nop_json-e5d68a9e950f1ab3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/all.rs (/opt/rustwide/target/debug/deps/all-7a0c767db3f8690f) [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test test_bytes ... ok [INFO] [stdout] test test_char ... ok [INFO] [stdout] test test_escape ... ok [INFO] [stdout] test test_number_as_string ... ok [INFO] [stdout] test test_number_to_string ... ok [INFO] [stdout] test test_object ... ok [INFO] [stdout] test test_pipe ... ok [INFO] [stdout] test test_string ... ok [INFO] [stdout] test test_to_json_string ... ok [INFO] [stdout] test test_value_is ... ok [INFO] [stdout] test test_value ... ok [INFO] [stdout] test test_write ... ok [INFO] [stdout] test test_value_number_to_string ... ok [INFO] [stdout] test test_escape_bytes ... ok [INFO] [stdout] test test_number ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests nop_json [INFO] [stderr] error: DefId(0:0 ~ nop_json[38de]) has more than five doctests [INFO] [stderr] [INFO] [stderr] error: aborting due to 1 previous error [INFO] [stderr] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/bin/rustdoc --edition=2018 --crate-type lib --color auto --crate-name nop_json --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern nop_json=/opt/rustwide/target/debug/deps/libnop_json-25689350963d07c8.rlib --extern nop_json_derive=/opt/rustwide/target/debug/deps/libnop_json_derive-0c66adb96fe88738.so --extern numtoa=/opt/rustwide/target/debug/deps/libnumtoa-2a26a89572e18b6e.rlib --extern read_iter=/opt/rustwide/target/debug/deps/libread_iter-d29515d70bc7ced7.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' --cap-lints=forbid --error-format human` (exit status: 1) [INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness. [INFO] running `Command { std: "docker" "inspect" "64ee6e9e353eaa6ea24f899232ef3a8c4f9ad521f618bd940d9803931a4e5a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64ee6e9e353eaa6ea24f899232ef3a8c4f9ad521f618bd940d9803931a4e5a43", kill_on_drop: false }` [INFO] [stdout] 64ee6e9e353eaa6ea24f899232ef3a8c4f9ad521f618bd940d9803931a4e5a43