[INFO] fetching crate serde-pointer 0.2.0...
[INFO] testing serde-pointer-0.2.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate serde-pointer 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde-pointer 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-pointer 0.2.0
[INFO] finished tweaking crates.io crate serde-pointer 0.2.0
[INFO] tweaked toml for crates.io crate serde-pointer 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] 4bb06314beab6a6ee7a48c081c89886550e7d976d712bcd9007223a34b221457
[INFO] running `Command { std: "docker" "start" "-a" "4bb06314beab6a6ee7a48c081c89886550e7d976d712bcd9007223a34b221457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bb06314beab6a6ee7a48c081c89886550e7d976d712bcd9007223a34b221457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb06314beab6a6ee7a48c081c89886550e7d976d712bcd9007223a34b221457", kill_on_drop: false }`
[INFO] [stdout] 4bb06314beab6a6ee7a48c081c89886550e7d976d712bcd9007223a34b221457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c15a77fbb3e6ead9fdfea040187ab0dcc40dc368d4be199a18a6437e901ac48e
[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" "c15a77fbb3e6ead9fdfea040187ab0dcc40dc368d4be199a18a6437e901ac48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling serde-pointer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "c15a77fbb3e6ead9fdfea040187ab0dcc40dc368d4be199a18a6437e901ac48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15a77fbb3e6ead9fdfea040187ab0dcc40dc368d4be199a18a6437e901ac48e", kill_on_drop: false }`
[INFO] [stdout] c15a77fbb3e6ead9fdfea040187ab0dcc40dc368d4be199a18a6437e901ac48e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fd041cbb2f718b438d3265994d2ab1f90492896725a2c329ff70f440973e0d
[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" "35fd041cbb2f718b438d3265994d2ab1f90492896725a2c329ff70f440973e0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-pointer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/traverse.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 mem::replace(v, Value::String("boo".into()));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "35fd041cbb2f718b438d3265994d2ab1f90492896725a2c329ff70f440973e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fd041cbb2f718b438d3265994d2ab1f90492896725a2c329ff70f440973e0d", kill_on_drop: false }`
[INFO] [stdout] 35fd041cbb2f718b438d3265994d2ab1f90492896725a2c329ff70f440973e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff2ffececaecd982b1a9f0ee27b6ec672871d0c0f9e74770c0c7afbf2aafcd83
[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" "ff2ffececaecd982b1a9f0ee27b6ec672871d0c0f9e74770c0c7afbf2aafcd83", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/traverse.rs:214:17
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 mem::replace(v, Value::String("boo".into()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_pointer-6906c28dcb5eb875
[INFO] [stdout] running 12 tests
[INFO] [stdout] test parser::tests::empty_trailing_name ... ok
[INFO] [stdout] test parser::tests::escape_tilda ... ok
[INFO] [stdout] test parser::tests::fails_on_unknown_escape_seq ... ok
[INFO] [stdout] test parser::tests::leading_zeros_as_string ... ok
[INFO] [stdout] test parser::tests::empty_hash ... ok
[INFO] [stdout] test parser::tests::index ... ok
[INFO] [stdout] test traverse::tests::finds_all_data ... ok
[INFO] [stdout] test traverse::tests::finds_concrete_data ... ok
[INFO] [stderr]    Doc-tests serde-pointer
[INFO] [stdout] test parser::tests::empty_name_in_middle ... ok
[INFO] [stdout] test parser::tests::escape_slash ... ok
[INFO] [stdout] test traverse::tests::can_mutate ... ok
[INFO] [stdout] test traverse::tests::find_new_element ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff2ffececaecd982b1a9f0ee27b6ec672871d0c0f9e74770c0c7afbf2aafcd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2ffececaecd982b1a9f0ee27b6ec672871d0c0f9e74770c0c7afbf2aafcd83", kill_on_drop: false }`
[INFO] [stdout] ff2ffececaecd982b1a9f0ee27b6ec672871d0c0f9e74770c0c7afbf2aafcd83
