[INFO] fetching crate circe 0.1.5...
[INFO] testing circe-0.1.5 against 1.59.0 for beta-1.60-1
[INFO] extracting crate circe 0.1.5 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate circe 0.1.5 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circe 0.1.5
[INFO] finished tweaking crates.io crate circe 0.1.5
[INFO] tweaked toml for crates.io crate circe 0.1.5 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate circe 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024956f642b2d4d69676760bc13d2f02934f0fe33bbff255d434b454d0852882
[INFO] running `Command { std: "docker" "start" "-a" "024956f642b2d4d69676760bc13d2f02934f0fe33bbff255d434b454d0852882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024956f642b2d4d69676760bc13d2f02934f0fe33bbff255d434b454d0852882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024956f642b2d4d69676760bc13d2f02934f0fe33bbff255d434b454d0852882", kill_on_drop: false }`
[INFO] [stdout] 024956f642b2d4d69676760bc13d2f02934f0fe33bbff255d434b454d0852882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aced119b8a46334a9652bc3f0f99e15e4afecd7c2264bf52a0a93941cb28aaa
[INFO] running `Command { std: "docker" "start" "-a" "5aced119b8a46334a9652bc3f0f99e15e4afecd7c2264bf52a0a93941cb28aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]    Compiling circe v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "5aced119b8a46334a9652bc3f0f99e15e4afecd7c2264bf52a0a93941cb28aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aced119b8a46334a9652bc3f0f99e15e4afecd7c2264bf52a0a93941cb28aaa", kill_on_drop: false }`
[INFO] [stdout] 5aced119b8a46334a9652bc3f0f99e15e4afecd7c2264bf52a0a93941cb28aaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9148d5c9ffd7eeccbc64e86e72d9b610f10caf32740819b55ba4e557ca79bbcf
[INFO] running `Command { std: "docker" "start" "-a" "9148d5c9ffd7eeccbc64e86e72d9b610f10caf32740819b55ba4e557ca79bbcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling circe v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> tests/basic-connection.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         vec![""],
[INFO] [stdout]   |         ^^^^^^^^ expected `&[&'static str]`, found struct `Vec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected reference `&[&'static str]`
[INFO] [stdout]                 found struct `Vec<&str>`
[INFO] [stdout]   = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `circe` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9148d5c9ffd7eeccbc64e86e72d9b610f10caf32740819b55ba4e557ca79bbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9148d5c9ffd7eeccbc64e86e72d9b610f10caf32740819b55ba4e557ca79bbcf", kill_on_drop: false }`
[INFO] [stdout] 9148d5c9ffd7eeccbc64e86e72d9b610f10caf32740819b55ba4e557ca79bbcf