[INFO] fetching crate json-joxit-fork 0.12.1... [INFO] testing json-joxit-fork-0.12.1 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate json-joxit-fork 0.12.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate json-joxit-fork 0.12.1 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate json-joxit-fork 0.12.1 [INFO] finished tweaking crates.io crate json-joxit-fork 0.12.1 [INFO] tweaked toml for crates.io crate json-joxit-fork 0.12.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 559657874b1b40fc0b1716c3e1a6a06864b47a4548a55723858d8c56022cab79 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "559657874b1b40fc0b1716c3e1a6a06864b47a4548a55723858d8c56022cab79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "559657874b1b40fc0b1716c3e1a6a06864b47a4548a55723858d8c56022cab79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "559657874b1b40fc0b1716c3e1a6a06864b47a4548a55723858d8c56022cab79", kill_on_drop: false }` [INFO] [stdout] 559657874b1b40fc0b1716c3e1a6a06864b47a4548a55723858d8c56022cab79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3eba4ea9234e5086ac89a08b8448bd85cc7c1e0f607ff4a8621feb321da617f1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3eba4ea9234e5086ac89a08b8448bd85cc7c1e0f607ff4a8621feb321da617f1", kill_on_drop: false }` [INFO] [stderr] Compiling json-joxit-fork v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/util/print_dec.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | let mut buf: [u8; 30] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.55s [INFO] running `Command { std: "docker" "inspect" "3eba4ea9234e5086ac89a08b8448bd85cc7c1e0f607ff4a8621feb321da617f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eba4ea9234e5086ac89a08b8448bd85cc7c1e0f607ff4a8621feb321da617f1", kill_on_drop: false }` [INFO] [stdout] 3eba4ea9234e5086ac89a08b8448bd85cc7c1e0f607ff4a8621feb321da617f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 55b2ba59da83705cb1fa009b71c3fd219b14b25e3a7f3ea1b5addb732fa50d57 [INFO] running `Command { std: "docker" "start" "-a" "55b2ba59da83705cb1fa009b71c3fd219b14b25e3a7f3ea1b5addb732fa50d57", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/util/print_dec.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | let mut buf: [u8; 30] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling json-joxit-fork v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `json` [INFO] [stdout] --> tests/stringify.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `json-joxit-fork` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0463]: can't find crate for `json` [INFO] [stdout] --> tests/value.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `json` [INFO] [stdout] --> tests/parse.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `json` [INFO] [stdout] --> tests/customgen.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `json` [INFO] [stdout] --> tests/print_dec.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `json` [INFO] [stdout] --> tests/number.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `json` [INFO] [stdout] --> tests/json_checker.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/codegen.rs:393:9 [INFO] [stdout] | [INFO] [stdout] 393 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::JsonValue` [INFO] [stdout] --> src/codegen.rs:394:9 [INFO] [stdout] | [INFO] [stdout] 394 | use crate::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parse` [INFO] [stdout] --> src/codegen.rs:395:9 [INFO] [stdout] | [INFO] [stdout] 395 | use crate::parse; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/util/print_dec.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | let mut buf: [u8; 30] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:843:13 [INFO] [stdout] | [INFO] [stdout] 843 | let mut expected = object! { [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/parser.rs:871:13 [INFO] [stdout] | [INFO] [stdout] 871 | let mut expected = object! { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/parser.rs:772:5 [INFO] [stdout] | [INFO] [stdout] 772 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/parser.rs:772:5 [INFO] [stdout] | [INFO] [stdout] 772 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/codegen.rs:407:5 [INFO] [stdout] | [INFO] [stdout] 407 | generator.write_string(&s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/codegen.rs:418:5 [INFO] [stdout] | [INFO] [stdout] 418 | generator.write_string(&s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "55b2ba59da83705cb1fa009b71c3fd219b14b25e3a7f3ea1b5addb732fa50d57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55b2ba59da83705cb1fa009b71c3fd219b14b25e3a7f3ea1b5addb732fa50d57", kill_on_drop: false }` [INFO] [stdout] 55b2ba59da83705cb1fa009b71c3fd219b14b25e3a7f3ea1b5addb732fa50d57