[INFO] cloning repository https://github.com/EthanLuisMcDonough/json-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EthanLuisMcDonough/json-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanLuisMcDonough%2Fjson-rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanLuisMcDonough%2Fjson-rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3ebc8dcf82b623fe5fc2a1fcf5f6aa7c6ad6af6e [INFO] checking EthanLuisMcDonough/json-rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanLuisMcDonough%2Fjson-rs" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EthanLuisMcDonough/json-rs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/EthanLuisMcDonough/json-rs [INFO] finished tweaking git repo https://github.com/EthanLuisMcDonough/json-rs [INFO] tweaked toml for git repo https://github.com/EthanLuisMcDonough/json-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/EthanLuisMcDonough/json-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f166cfa6b3a42a6da5a8270091eaf35fef91b2515c357ca63d88c4412a6cbc51 [INFO] running `"docker" "start" "-a" "f166cfa6b3a42a6da5a8270091eaf35fef91b2515c357ca63d88c4412a6cbc51"` [INFO] [stderr] Checking json-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: the item `drop` is imported redundantly [INFO] [stderr] --> src/stack/pending.rs:160:35 [INFO] [stderr] | [INFO] [stderr] 160 | use std::{char::from_u32, mem::drop}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:35:16 [INFO] [stderr] | [INFO] [stderr] 35 | ObjArr(Box), [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:36:16 [INFO] [stderr] | [INFO] [stderr] 36 | Simple(Box), [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:61:15 [INFO] [stderr] | [INFO] [stderr] 61 | impl From> for PendingItem { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:62:24 [INFO] [stderr] | [INFO] [stderr] 62 | fn from(stack: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:67:15 [INFO] [stderr] | [INFO] [stderr] 67 | impl From> for PendingItem { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:68:24 [INFO] [stderr] | [INFO] [stderr] 68 | fn from(stack: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lib.rs:147:27 [INFO] [stderr] | [INFO] [stderr] 147 | '\x00'...'\x1F' => unicode_escape(c).into(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lib.rs:269:26 [INFO] [stderr] | [INFO] [stderr] 269 | '-' | '0'...'9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/stack/object.rs:280:74 [INFO] [stderr] | [INFO] [stderr] 280 | map.insert("0000e".to_string(), JsonValue::Null);; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/stack/object.rs:301:78 [INFO] [stderr] | [INFO] [stderr] 301 | ... map.insert("0000e".to_string(), JsonValue::Null);; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: the item `drop` is imported redundantly [INFO] [stderr] --> src/stack/pending.rs:160:35 [INFO] [stderr] | [INFO] [stderr] 160 | use std::{char::from_u32, mem::drop}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:35:16 [INFO] [stderr] | [INFO] [stderr] 35 | ObjArr(Box), [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:36:16 [INFO] [stderr] | [INFO] [stderr] 36 | Simple(Box), [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:61:15 [INFO] [stderr] | [INFO] [stderr] 61 | impl From> for PendingItem { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:62:24 [INFO] [stderr] | [INFO] [stderr] 62 | fn from(stack: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:67:15 [INFO] [stderr] | [INFO] [stderr] 67 | impl From> for PendingItem { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/stack/mod.rs:68:24 [INFO] [stderr] | [INFO] [stderr] 68 | fn from(stack: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lib.rs:147:27 [INFO] [stderr] | [INFO] [stderr] 147 | '\x00'...'\x1F' => unicode_escape(c).into(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lib.rs:269:26 [INFO] [stderr] | [INFO] [stderr] 269 | '-' | '0'...'9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:260:13 [INFO] [stderr] | [INFO] [stderr] 260 | let mut last = processing.take(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:260:13 [INFO] [stderr] | [INFO] [stderr] 260 | let mut last = processing.take(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/stack/object.rs:331:17 [INFO] [stderr] | [INFO] [stderr] 331 | let mut stack = ObjectStack { inner }; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `"docker" "inspect" "f166cfa6b3a42a6da5a8270091eaf35fef91b2515c357ca63d88c4412a6cbc51"` [INFO] running `"docker" "rm" "-f" "f166cfa6b3a42a6da5a8270091eaf35fef91b2515c357ca63d88c4412a6cbc51"` [INFO] [stdout] f166cfa6b3a42a6da5a8270091eaf35fef91b2515c357ca63d88c4412a6cbc51