[INFO] cloning repository https://github.com/qultist/tasty-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qultist/tasty-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqultist%2Ftasty-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqultist%2Ftasty-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a66465a66f36313c5bc0968aee0da9b5155294e
[INFO] testing qultist/tasty-json against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqultist%2Ftasty-json" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qultist/tasty-json 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 git repo https://github.com/qultist/tasty-json
[INFO] finished tweaking git repo https://github.com/qultist/tasty-json
[INFO] tweaked toml for git repo https://github.com/qultist/tasty-json written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/qultist/tasty-json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8827b6e3079f7990cf6142352898a58cec496290f20e4572db9514d63a393ac0
[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" "8827b6e3079f7990cf6142352898a58cec496290f20e4572db9514d63a393ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8827b6e3079f7990cf6142352898a58cec496290f20e4572db9514d63a393ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8827b6e3079f7990cf6142352898a58cec496290f20e4572db9514d63a393ac0", kill_on_drop: false }`
[INFO] [stdout] 8827b6e3079f7990cf6142352898a58cec496290f20e4572db9514d63a393ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 3698212b753a4c0b8a5e3855c4577c14d57fcf84cb047a607b80d88e629a03bf
[INFO] running `Command { std: "docker" "start" "-a" "3698212b753a4c0b8a5e3855c4577c14d57fcf84cb047a607b80d88e629a03bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling tasty-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_f64`
[INFO] [stdout]   --> src/json.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn as_f64(&self) -> Option<f64> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_vec`
[INFO] [stdout]   --> src/json.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn as_vec(&self) -> Option<Vec<Value>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_bool`
[INFO] [stdout]   --> src/json.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn as_bool(&self) -> Option<bool> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.66s
[INFO] running `Command { std: "docker" "inspect" "3698212b753a4c0b8a5e3855c4577c14d57fcf84cb047a607b80d88e629a03bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3698212b753a4c0b8a5e3855c4577c14d57fcf84cb047a607b80d88e629a03bf", kill_on_drop: false }`
[INFO] [stdout] 3698212b753a4c0b8a5e3855c4577c14d57fcf84cb047a607b80d88e629a03bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8f9915fce33bbb9e99f55bf6a1df668b51ca14d4d3375176e1e0aaff5a245e0
[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" "c8f9915fce33bbb9e99f55bf6a1df668b51ca14d4d3375176e1e0aaff5a245e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tasty-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "c8f9915fce33bbb9e99f55bf6a1df668b51ca14d4d3375176e1e0aaff5a245e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f9915fce33bbb9e99f55bf6a1df668b51ca14d4d3375176e1e0aaff5a245e0", kill_on_drop: false }`
[INFO] [stdout] c8f9915fce33bbb9e99f55bf6a1df668b51ca14d4d3375176e1e0aaff5a245e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb419dcbc7f19c15b27595b9bd76f77d6988f5caf82e13131c715febe532eea5
[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" "bb419dcbc7f19c15b27595b9bd76f77d6988f5caf82e13131c715febe532eea5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stdout] running 12 tests
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stdout] test json::tests::test_float ... ok
[INFO] [stderr]   |
[INFO] [stdout] test json::tests::test_failure ... ok
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tasty_json-bba02f749b66400b
[INFO] [stdout] test parsers::tests::parse_array ... ok
[INFO] [stdout] test json::tests::test_bool ... ok
[INFO] [stdout] test json::tests::test_vec ... ok
[INFO] [stdout] test json::tests::test_string ... ok
[INFO] [stdout] test parsers::tests::parse_object ... ok
[INFO] [stdout] test parsers::tests::parse_string ... ok
[INFO] [stdout] test parsers::tests::parse_value ... ok
[INFO] [stdout] test parsers::tests::parse_string_pair ... ok
[INFO] [stdout] test parsers::tests::parse_literal_true ... ok
[INFO] [stdout] test parsers::tests::parse_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb419dcbc7f19c15b27595b9bd76f77d6988f5caf82e13131c715febe532eea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb419dcbc7f19c15b27595b9bd76f77d6988f5caf82e13131c715febe532eea5", kill_on_drop: false }`
[INFO] [stdout] bb419dcbc7f19c15b27595b9bd76f77d6988f5caf82e13131c715febe532eea5