[INFO] updating cached repository https://github.com/TrueXPixels/parse-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae71f4fa48b8e8b89b4d9c7a6a902fdc86c77987
[INFO] testing TrueXPixels/parse-json against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueXPixels%2Fparse-json" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrueXPixels/parse-json on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrueXPixels/parse-json
[INFO] finished tweaking git repo https://github.com/TrueXPixels/parse-json
[INFO] tweaked toml for git repo https://github.com/TrueXPixels/parse-json written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/TrueXPixels/parse-json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6924461e33042db46ff06fe04ac8360848732c1fed630bd66751c3fea8be7295
[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" "6924461e33042db46ff06fe04ac8360848732c1fed630bd66751c3fea8be7295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6924461e33042db46ff06fe04ac8360848732c1fed630bd66751c3fea8be7295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6924461e33042db46ff06fe04ac8360848732c1fed630bd66751c3fea8be7295", kill_on_drop: false }`
[INFO] [stdout] 6924461e33042db46ff06fe04ac8360848732c1fed630bd66751c3fea8be7295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd1eb166adde24d2fcea1ec9187ff28c1ae2c1bd1c501b77e4b8469dfe66ce2e
[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" "dd1eb166adde24d2fcea1ec9187ff28c1ae2c1bd1c501b77e4b8469dfe66ce2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.64
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.64
[INFO] [stderr]    Compiling serde_json v1.0.19
[INFO] [stderr]    Compiling parsing-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | use std::io::prelude::*;
[INFO] [stdout]    |     ------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     use std::io::Write; // Use Trait
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:69:52
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   why.description())
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Ok(buffer.trim_right().to_owned())
[INFO] [stdout]    |               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.75s
[INFO] running `Command { std: "docker" "inspect" "dd1eb166adde24d2fcea1ec9187ff28c1ae2c1bd1c501b77e4b8469dfe66ce2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1eb166adde24d2fcea1ec9187ff28c1ae2c1bd1c501b77e4b8469dfe66ce2e", kill_on_drop: false }`
[INFO] [stdout] dd1eb166adde24d2fcea1ec9187ff28c1ae2c1bd1c501b77e4b8469dfe66ce2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67bc6f0fbc3e3c60b513614056bfe588197cc1798bfb1773342904ee009c4357
[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" "67bc6f0fbc3e3c60b513614056bfe588197cc1798bfb1773342904ee009c4357", kill_on_drop: false }`
[INFO] [stderr]    Compiling parsing-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | use std::io::prelude::*;
[INFO] [stdout]    |     ------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     use std::io::Write; // Use Trait
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:69:52
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   why.description())
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Ok(buffer.trim_right().to_owned())
[INFO] [stdout]    |               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "67bc6f0fbc3e3c60b513614056bfe588197cc1798bfb1773342904ee009c4357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67bc6f0fbc3e3c60b513614056bfe588197cc1798bfb1773342904ee009c4357", kill_on_drop: false }`
[INFO] [stdout] 67bc6f0fbc3e3c60b513614056bfe588197cc1798bfb1773342904ee009c4357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7288caf8ae3ec4984215457b433146234e12430cee5356c8bbfea67647d9218d
[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" "7288caf8ae3ec4984215457b433146234e12430cee5356c8bbfea67647d9218d", kill_on_drop: false }`
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | use std::io::prelude::*;
[INFO] [stderr]    |     ------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 78 |     use std::io::Write; // Use Trait
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 | ...                   why.description()),
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:69:52
[INFO] [stderr]    |
[INFO] [stderr] 69 | ...                   why.description())
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:84:15
[INFO] [stderr]    |
[INFO] [stderr] 84 |     Ok(buffer.trim_right().to_owned())
[INFO] [stderr]    |               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parsing_json-7725f4bffa0dd7bc
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7288caf8ae3ec4984215457b433146234e12430cee5356c8bbfea67647d9218d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7288caf8ae3ec4984215457b433146234e12430cee5356c8bbfea67647d9218d", kill_on_drop: false }`
[INFO] [stdout] 7288caf8ae3ec4984215457b433146234e12430cee5356c8bbfea67647d9218d