[INFO] crate envy 0.4.1 is already in cache
[INFO] testing envy-0.4.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate envy 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate envy 0.4.1 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 crates.io crate envy 0.4.1
[INFO] finished tweaking crates.io crate envy 0.4.1
[INFO] tweaked toml for crates.io crate envy 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate envy 0.4.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9700d3512e69f24dfb3f0b4faffa567f7604fceb2e31af17096ff9d29dc0e555
[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" "9700d3512e69f24dfb3f0b4faffa567f7604fceb2e31af17096ff9d29dc0e555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9700d3512e69f24dfb3f0b4faffa567f7604fceb2e31af17096ff9d29dc0e555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9700d3512e69f24dfb3f0b4faffa567f7604fceb2e31af17096ff9d29dc0e555", kill_on_drop: false }`
[INFO] [stdout] 9700d3512e69f24dfb3f0b4faffa567f7604fceb2e31af17096ff9d29dc0e555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 492f0b69918e95182c37aefa53f7ea39bf739ccc5e39834ba5c8218bf90e3bf4
[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" "492f0b69918e95182c37aefa53f7ea39bf739ccc5e39834ba5c8218bf90e3bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling envy v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.09s
[INFO] running `Command { std: "docker" "inspect" "492f0b69918e95182c37aefa53f7ea39bf739ccc5e39834ba5c8218bf90e3bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492f0b69918e95182c37aefa53f7ea39bf739ccc5e39834ba5c8218bf90e3bf4", kill_on_drop: false }`
[INFO] [stdout] 492f0b69918e95182c37aefa53f7ea39bf739ccc5e39834ba5c8218bf90e3bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38e7c2be89c0a7bffc9fe5572c3e6fa51904d9caea3c9edaa13ca86b8d21a927
[INFO] running `Command { std: "docker" "start" "-a" "38e7c2be89c0a7bffc9fe5572c3e6fa51904d9caea3c9edaa13ca86b8d21a927", kill_on_drop: false }`
[INFO] [stderr]    Compiling envy v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:75:44
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Error::MissingValue("foo_bar").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/error.rs:79:51
[INFO] [stdout]    |
[INFO] [stdout] 79 |         assert_eq!(Error::Custom("whoops".into()).description(), "custom error")
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "38e7c2be89c0a7bffc9fe5572c3e6fa51904d9caea3c9edaa13ca86b8d21a927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e7c2be89c0a7bffc9fe5572c3e6fa51904d9caea3c9edaa13ca86b8d21a927", kill_on_drop: false }`
[INFO] [stdout] 38e7c2be89c0a7bffc9fe5572c3e6fa51904d9caea3c9edaa13ca86b8d21a927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b969d8578546d075a6fa1c99ec233522c48508f1755911bec225405fe2bb1793
[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" "b969d8578546d075a6fa1c99ec233522c48508f1755911bec225405fe2bb1793", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |             Error::MissingValue("foo_bar").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/error.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |         assert_eq!(Error::Custom("whoops".into()).description(), "custom error")
[INFO] [stderr]    |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/envy-1b42156f148dc631
[INFO] [stdout] running 8 tests
[INFO] [stderr]    Doc-tests envy
[INFO] [stdout] test tests::deserializes_from_prefixed_fieldnames ... ok
[INFO] [stdout] test error::tests::error_description ... ok
[INFO] [stdout] test tests::fails_with_invalid_type ... ok
[INFO] [stdout] test tests::deserialize_from_iter ... ok
[INFO] [stdout] test error::tests::error_display ... ok
[INFO] [stdout] test error::tests::error_impl_std_error ... ok
[INFO] [stdout] test tests::fails_with_missing_value ... ok
[INFO] [stdout] test tests::prefixed_strips_prefixes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - prefixed (line 334) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b969d8578546d075a6fa1c99ec233522c48508f1755911bec225405fe2bb1793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b969d8578546d075a6fa1c99ec233522c48508f1755911bec225405fe2bb1793", kill_on_drop: false }`
[INFO] [stdout] b969d8578546d075a6fa1c99ec233522c48508f1755911bec225405fe2bb1793