[INFO] fetching crate serde-pointer 0.2.0...
[INFO] testing serde-pointer-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate serde-pointer 0.2.0 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-pointer 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding nom v5.1.3 (available: v8.0.0)
[INFO] [stderr]       Adding serde-value v0.6.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded nom v5.1.3
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add9bfddab0248d51155a133194b33123d3314586d7090d81dd48a29df785b7c
[INFO] running `Command { std: "docker" "start" "-a" "add9bfddab0248d51155a133194b33123d3314586d7090d81dd48a29df785b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add9bfddab0248d51155a133194b33123d3314586d7090d81dd48a29df785b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add9bfddab0248d51155a133194b33123d3314586d7090d81dd48a29df785b7c", kill_on_drop: false }`
[INFO] [stdout] add9bfddab0248d51155a133194b33123d3314586d7090d81dd48a29df785b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7139df4827ecac4ef7b21146c04acb20e4335256015f10b4ffced56c3782eeb6
[INFO] running `Command { std: "docker" "start" "-a" "7139df4827ecac4ef7b21146c04acb20e4335256015f10b4ffced56c3782eeb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling serde-pointer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "7139df4827ecac4ef7b21146c04acb20e4335256015f10b4ffced56c3782eeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7139df4827ecac4ef7b21146c04acb20e4335256015f10b4ffced56c3782eeb6", kill_on_drop: false }`
[INFO] [stdout] 7139df4827ecac4ef7b21146c04acb20e4335256015f10b4ffced56c3782eeb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b857b2c1fc1ff2bdf06a8d52c9b42f7c98644ec5bb1a00b53b17ffc76dae26e5
[INFO] running `Command { std: "docker" "start" "-a" "b857b2c1fc1ff2bdf06a8d52c9b42f7c98644ec5bb1a00b53b17ffc76dae26e5", 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: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let _ = mem::replace(v, Value::String("boo".into()));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "b857b2c1fc1ff2bdf06a8d52c9b42f7c98644ec5bb1a00b53b17ffc76dae26e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b857b2c1fc1ff2bdf06a8d52c9b42f7c98644ec5bb1a00b53b17ffc76dae26e5", kill_on_drop: false }`
[INFO] [stdout] b857b2c1fc1ff2bdf06a8d52c9b42f7c98644ec5bb1a00b53b17ffc76dae26e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6dc01d64653826d2e8e84c50fa7c4e7cbd49e14b261f03df457bab933bbbf51f
[INFO] running `Command { std: "docker" "start" "-a" "6dc01d64653826d2e8e84c50fa7c4e7cbd49e14b261f03df457bab933bbbf51f", 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: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let _ = mem::replace(v, Value::String("boo".into()));
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-pointer` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_pointer-f7880f93a32a7cd0)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test parser::tests::empty_hash ... ok
[INFO] [stdout] test parser::tests::empty_name_in_middle ... ok
[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 traverse::tests::finds_all_data ... ok
[INFO] [stdout] test traverse::tests::finds_concrete_data ... ok
[INFO] [stdout] test parser::tests::escape_slash ... ok
[INFO] [stderr]    Doc-tests serde_pointer
[INFO] [stdout] test parser::tests::index ... 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; finished in 0.01s
[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" "6dc01d64653826d2e8e84c50fa7c4e7cbd49e14b261f03df457bab933bbbf51f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc01d64653826d2e8e84c50fa7c4e7cbd49e14b261f03df457bab933bbbf51f", kill_on_drop: false }`
[INFO] [stdout] 6dc01d64653826d2e8e84c50fa7c4e7cbd49e14b261f03df457bab933bbbf51f