[INFO] cloning repository https://github.com/EthanLuisMcDonough/json-rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanLuisMcDonough%2Fjson-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ebc8dcf82b623fe5fc2a1fcf5f6aa7c6ad6af6e
[INFO] testing EthanLuisMcDonough/json-rs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanLuisMcDonough%2Fjson-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EthanLuisMcDonough/json-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/EthanLuisMcDonough/json-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] db035d772711da73baca04ead0e930f44f3d7ea426c296197b5bf0eacb4cf6c9
[INFO] running `Command { std: "docker" "start" "-a" "db035d772711da73baca04ead0e930f44f3d7ea426c296197b5bf0eacb4cf6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db035d772711da73baca04ead0e930f44f3d7ea426c296197b5bf0eacb4cf6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db035d772711da73baca04ead0e930f44f3d7ea426c296197b5bf0eacb4cf6c9", kill_on_drop: false }`
[INFO] [stdout] db035d772711da73baca04ead0e930f44f3d7ea426c296197b5bf0eacb4cf6c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 583015b8b7668ad98774a963b5153b65aedf8daf71e424f90d7e4c77e359e4bc
[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" "583015b8b7668ad98774a963b5153b65aedf8daf71e424f90d7e4c77e359e4bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `drop` is imported redundantly
[INFO] [stdout]    --> src/stack/pending.rs:160:35
[INFO] [stdout]     |
[INFO] [stdout] 160 |         use std::{char::from_u32, mem::drop};
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     ObjArr(Box<ObjArrStack>),
[INFO] [stdout]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Simple(Box<SimpleStack>),
[INFO] [stdout]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl From<Box<SimpleStack>> for PendingItem {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn from(stack: Box<SimpleStack>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl From<Box<ObjArrStack>> for PendingItem {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn from(stack: Box<ObjArrStack>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:147:27
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     '\x00'...'\x1F' => unicode_escape(c).into(),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:269:26
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 '-' | '0'...'9' => {
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut last = processing.take();
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "583015b8b7668ad98774a963b5153b65aedf8daf71e424f90d7e4c77e359e4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583015b8b7668ad98774a963b5153b65aedf8daf71e424f90d7e4c77e359e4bc", kill_on_drop: false }`
[INFO] [stdout] 583015b8b7668ad98774a963b5153b65aedf8daf71e424f90d7e4c77e359e4bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f039d73e7ef427370a0b9acf78b07e91b980bbccd3008e035dfa0ea6455b41b
[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" "9f039d73e7ef427370a0b9acf78b07e91b980bbccd3008e035dfa0ea6455b41b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: the item `drop` is imported redundantly
[INFO] [stdout]    --> src/stack/pending.rs:160:35
[INFO] [stdout]     |
[INFO] [stdout] 160 |         use std::{char::from_u32, mem::drop};
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling json-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     ObjArr(Box<ObjArrStack>),
[INFO] [stdout]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Simple(Box<SimpleStack>),
[INFO] [stdout]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl From<Box<SimpleStack>> for PendingItem {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn from(stack: Box<SimpleStack>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl From<Box<ObjArrStack>> for PendingItem {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn from(stack: Box<ObjArrStack>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:147:27
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     '\x00'...'\x1F' => unicode_escape(c).into(),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:269:26
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 '-' | '0'...'9' => {
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut last = processing.take();
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/stack/object.rs:280:74
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         map.insert("0000e".to_string(), JsonValue::Null);;
[INFO] [stdout]     |                                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/stack/object.rs:301:78
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   map.insert("0000e".to_string(), JsonValue::Null);;
[INFO] [stdout]     |                                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `drop` is imported redundantly
[INFO] [stdout]    --> src/stack/pending.rs:160:35
[INFO] [stdout]     |
[INFO] [stdout] 160 |         use std::{char::from_u32, mem::drop};
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     ObjArr(Box<ObjArrStack>),
[INFO] [stdout]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Simple(Box<SimpleStack>),
[INFO] [stdout]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl From<Box<SimpleStack>> for PendingItem {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn from(stack: Box<SimpleStack>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn SimpleStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl From<Box<ObjArrStack>> for PendingItem {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack/mod.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn from(stack: Box<ObjArrStack>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn ObjArrStack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:147:27
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     '\x00'...'\x1F' => unicode_escape(c).into(),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:269:26
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 '-' | '0'...'9' => {
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut last = processing.take();
[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/stack/object.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |             let mut stack = ObjectStack { inner };
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.12s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f039d73e7ef427370a0b9acf78b07e91b980bbccd3008e035dfa0ea6455b41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f039d73e7ef427370a0b9acf78b07e91b980bbccd3008e035dfa0ea6455b41b", kill_on_drop: false }`
[INFO] [stdout] 9f039d73e7ef427370a0b9acf78b07e91b980bbccd3008e035dfa0ea6455b41b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30e0bf72799e61fd369a8abdc2607a7500c2e7455558595fe06fde71e24ec127
[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" "30e0bf72799e61fd369a8abdc2607a7500c2e7455558595fe06fde71e24ec127", kill_on_drop: false }`
[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<ObjArrStack>),
[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<SimpleStack>),
[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<Box<SimpleStack>> 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<SimpleStack>) -> 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<Box<ObjArrStack>> 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<ObjArrStack>) -> 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_semicolons)]` 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<ObjArrStack>),
[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<SimpleStack>),
[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<Box<SimpleStack>> 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<SimpleStack>) -> 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<Box<ObjArrStack>> 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<ObjArrStack>) -> 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/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] warning: 13 warnings emitted
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_rs-5c8e1c1afa730b54
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test stack::array::tests::array_push ... ok
[INFO] [stdout] test stack::object::tests::object_push ... ok
[INFO] [stdout] test stack::object::tests::shift_multi ... ok
[INFO] [stdout] test stack::array::tests::array_into_json ... ok
[INFO] [stdout] test stack::pending::tests::escape_stack ... ok
[INFO] [stdout] test stack::pending::tests::null_stack ... ok
[INFO] [stdout] test stack::object::tests::object_into_json ... ok
[INFO] [stdout] test stack::pending::tests::number_stack_push ... ok
[INFO] [stdout] test stack::pending::tests::text_stack ... ok
[INFO] [stdout] test stack::tests::stack_counter_err_push ... ok
[INFO] [stdout] test tests::str_escape ... ok
[INFO] [stdout] test stack::pending::tests::bool_stack ... ok
[INFO] [stdout] test stack::tests::stack_counter ... ok
[INFO] [stdout] test tests::stringify ... ok
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-rs
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/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]    --> /opt/rustwide/workdir/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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - json_parse (line 197) ... ok
[INFO] [stdout] test src/lib.rs - JsonValue::get_ind (line 80) ... ok
[INFO] [stdout] test src/lib.rs - JsonValue::get_mut (line 52) ... ok
[INFO] [stdout] test src/lib.rs - JsonValue::get_ind_mut (line 105) ... ok
[INFO] [stdout] test src/lib.rs - JsonValue::get (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30e0bf72799e61fd369a8abdc2607a7500c2e7455558595fe06fde71e24ec127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e0bf72799e61fd369a8abdc2607a7500c2e7455558595fe06fde71e24ec127", kill_on_drop: false }`
[INFO] [stdout] 30e0bf72799e61fd369a8abdc2607a7500c2e7455558595fe06fde71e24ec127
