[INFO] cloning repository https://github.com/FauxFaux/jsonarray2pg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/jsonarray2pg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fjsonarray2pg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fjsonarray2pg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 638a02d20cf26e7c6c5415eec6f31c7e692d4e08 [INFO] checking FauxFaux/jsonarray2pg against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fjsonarray2pg" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FauxFaux/jsonarray2pg on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FauxFaux/jsonarray2pg [INFO] finished tweaking git repo https://github.com/FauxFaux/jsonarray2pg [INFO] tweaked toml for git repo https://github.com/FauxFaux/jsonarray2pg written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/FauxFaux/jsonarray2pg already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v1.0.1 [INFO] [stderr] Downloaded postgres v0.14.0 [INFO] [stderr] Downloaded fallible-iterator v0.1.3 [INFO] [stderr] Downloaded phf v0.7.21 [INFO] [stderr] Downloaded num_cpus v1.3.0 [INFO] [stderr] Downloaded bufstream v0.1.2 [INFO] [stderr] Downloaded md5 v0.3.3 [INFO] [stderr] Downloaded libc v0.2.21 [INFO] [stderr] Downloaded argparse v0.2.1 [INFO] [stderr] Downloaded log v0.3.7 [INFO] [stderr] Downloaded hex v0.2.0 [INFO] [stderr] Downloaded siphasher v0.2.1 [INFO] [stderr] Downloaded phf_shared v0.7.21 [INFO] [stderr] Downloaded byteorder v1.0.0 [INFO] [stderr] Downloaded postgres-shared v0.2.0 [INFO] [stderr] Downloaded postgres-protocol v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 396be967a29be3790dc49da02c931a9cda0a746b050481295c00e40ccee8645b [INFO] running `Command { std: "docker" "start" "-a" "396be967a29be3790dc49da02c931a9cda0a746b050481295c00e40ccee8645b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "396be967a29be3790dc49da02c931a9cda0a746b050481295c00e40ccee8645b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "396be967a29be3790dc49da02c931a9cda0a746b050481295c00e40ccee8645b", kill_on_drop: false }` [INFO] [stdout] 396be967a29be3790dc49da02c931a9cda0a746b050481295c00e40ccee8645b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2dd6033dab4e1f477ef1cf5a8bee302bc7d7d6f50b156554b25afec21b6c8965 [INFO] running `Command { std: "docker" "start" "-a" "2dd6033dab4e1f477ef1cf5a8bee302bc7d7d6f50b156554b25afec21b6c8965", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking siphasher v0.2.1 [INFO] [stderr] Checking fallible-iterator v0.1.3 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking md5 v0.3.3 [INFO] [stderr] Checking hex v0.2.0 [INFO] [stderr] Checking bufstream v0.1.2 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking argparse v0.2.1 [INFO] [stderr] Checking phf_shared v0.7.21 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking num_cpus v1.3.0 [INFO] [stderr] Checking postgres-protocol v0.2.1 [INFO] [stderr] Checking postgres-shared v0.2.0 [INFO] [stderr] Checking postgres v0.14.0 [INFO] [stderr] Checking jsonarray2pg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/json.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | try!(parse_token(&mut iter, &mut buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/json.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | try!(parse_token(&mut iter, &mut buf).map_err(other_err)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:34:20 [INFO] [stdout] | [INFO] [stdout] 34 | let mut lock = try!(mux.lock().map_err(|e| format!("threadpool damaged: {}", e))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/json.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | try!(parse_token(&mut iter, &mut buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/json.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | try!(parse_token(&mut iter, &mut buf).map_err(other_err)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:34:20 [INFO] [stdout] | [INFO] [stdout] 34 | let mut lock = try!(mux.lock().map_err(|e| format!("threadpool damaged: {}", e))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:113:43 [INFO] [stdout] | [INFO] [stdout] 113 | Box::new(stdin.lock()) as Box [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 113 | Box::new(stdin.lock()) as Box [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:94:40 [INFO] [stdout] | [INFO] [stdout] 94 | fn read_string>(mut iter: &mut T, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:113:43 [INFO] [stdout] | [INFO] [stdout] 113 | Box::new(stdin.lock()) as Box [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 113 | Box::new(stdin.lock()) as Box [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:95:40 [INFO] [stdout] | [INFO] [stdout] 95 | ... mut buf: &mut Vec) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:116:37 [INFO] [stdout] | [INFO] [stdout] 116 | fn read_num>(mut iter: &mut Peekable, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:117:37 [INFO] [stdout] | [INFO] [stdout] 117 | ... mut buf: &mut Vec) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:160:46 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn parse_array_from_file(mut from: &mut T, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:94:40 [INFO] [stdout] | [INFO] [stdout] 94 | fn read_string>(mut iter: &mut T, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:95:40 [INFO] [stdout] | [INFO] [stdout] 95 | ... mut buf: &mut Vec) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:116:37 [INFO] [stdout] | [INFO] [stdout] 116 | fn read_num>(mut iter: &mut Peekable, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:117:37 [INFO] [stdout] | [INFO] [stdout] 117 | ... mut buf: &mut Vec) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/json.rs:160:46 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn parse_array_from_file(mut from: &mut T, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s [INFO] running `Command { std: "docker" "inspect" "2dd6033dab4e1f477ef1cf5a8bee302bc7d7d6f50b156554b25afec21b6c8965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dd6033dab4e1f477ef1cf5a8bee302bc7d7d6f50b156554b25afec21b6c8965", kill_on_drop: false }` [INFO] [stdout] 2dd6033dab4e1f477ef1cf5a8bee302bc7d7d6f50b156554b25afec21b6c8965