[INFO] fetching crate autojson 0.1.0...
[INFO] testing autojson-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate autojson 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate autojson 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autojson 0.1.0
[INFO] finished tweaking crates.io crate autojson 0.1.0
[INFO] tweaked toml for crates.io crate autojson 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b77c30d753a5ee4c87f25f9baf25aef8dc88fd4bd559dd9daf92be0c8dfe9b0c
[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" "b77c30d753a5ee4c87f25f9baf25aef8dc88fd4bd559dd9daf92be0c8dfe9b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b77c30d753a5ee4c87f25f9baf25aef8dc88fd4bd559dd9daf92be0c8dfe9b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77c30d753a5ee4c87f25f9baf25aef8dc88fd4bd559dd9daf92be0c8dfe9b0c", kill_on_drop: false }`
[INFO] [stdout] b77c30d753a5ee4c87f25f9baf25aef8dc88fd4bd559dd9daf92be0c8dfe9b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca938d52aa421753f7cf991569ebd486c77918ac5b1ac5777d2b3a138ffc34d2
[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" "ca938d52aa421753f7cf991569ebd486c77918ac5b1ac5777d2b3a138ffc34d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling autojson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.83s
[INFO] running `Command { std: "docker" "inspect" "ca938d52aa421753f7cf991569ebd486c77918ac5b1ac5777d2b3a138ffc34d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca938d52aa421753f7cf991569ebd486c77918ac5b1ac5777d2b3a138ffc34d2", kill_on_drop: false }`
[INFO] [stdout] ca938d52aa421753f7cf991569ebd486c77918ac5b1ac5777d2b3a138ffc34d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deaa2ca057d548869a6386fdcf6625228c26445d4c609f2dbd21e88ab1c4c349
[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" "deaa2ca057d548869a6386fdcf6625228c26445d4c609f2dbd21e88ab1c4c349", kill_on_drop: false }`
[INFO] [stderr]    Compiling autojson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_json`
[INFO] [stdout]   --> src/lib.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             fn from_json<P: AsRef<std::path::Path>>(path: P) -> Result<Self, failure::Error> {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     auto_json_impl!(Data);
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `auto_json_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_json`
[INFO] [stdout]   --> src/lib.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             fn to_json<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), failure::Error> {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     auto_json_impl!(Data);
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `auto_json_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "deaa2ca057d548869a6386fdcf6625228c26445d4c609f2dbd21e88ab1c4c349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deaa2ca057d548869a6386fdcf6625228c26445d4c609f2dbd21e88ab1c4c349", kill_on_drop: false }`
[INFO] [stdout] deaa2ca057d548869a6386fdcf6625228c26445d4c609f2dbd21e88ab1c4c349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen", 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] 47a007ed67db393cd699baacad0f314902541dee2eccd5ed8c663a23b934b15a
[INFO] running `Command { std: "docker" "start" "-a" "47a007ed67db393cd699baacad0f314902541dee2eccd5ed8c663a23b934b15a", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `from_json`
[INFO] [stderr]   --> src/lib.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             fn from_json<P: AsRef<std::path::Path>>(path: P) -> Result<Self, failure::Error> {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     auto_json_impl!(Data);
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `auto_json_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_json`
[INFO] [stderr]   --> src/lib.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             fn to_json<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), failure::Error> {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     auto_json_impl!(Data);
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `auto_json_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `autojson` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/autojson-985b88322d929bed)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests autojson
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47a007ed67db393cd699baacad0f314902541dee2eccd5ed8c663a23b934b15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a007ed67db393cd699baacad0f314902541dee2eccd5ed8c663a23b934b15a", kill_on_drop: false }`
[INFO] [stdout] 47a007ed67db393cd699baacad0f314902541dee2eccd5ed8c663a23b934b15a