[INFO] fetching crate json_string 0.1.14...
[INFO] checking json_string-0.1.14 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate json_string 0.1.14 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate json_string 0.1.14
[INFO] finished tweaking crates.io crate json_string 0.1.14
[INFO] tweaked toml for crates.io crate json_string 0.1.14 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_string 0.1.14 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate json_string 0.1.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e00638604567e0ba31e24d8f98bda5c231a80d2d8b2840ff31af8c535abbe47f
[INFO] running `Command { std: "docker" "start" "-a" "e00638604567e0ba31e24d8f98bda5c231a80d2d8b2840ff31af8c535abbe47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e00638604567e0ba31e24d8f98bda5c231a80d2d8b2840ff31af8c535abbe47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00638604567e0ba31e24d8f98bda5c231a80d2d8b2840ff31af8c535abbe47f", kill_on_drop: false }`
[INFO] [stdout] e00638604567e0ba31e24d8f98bda5c231a80d2d8b2840ff31af8c535abbe47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f36e36a4236d934a38ae83af62944552f357d85b22a42956ae1245068726ed6d
[INFO] running `Command { std: "docker" "start" "-a" "f36e36a4236d934a38ae83af62944552f357d85b22a42956ae1245068726ed6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking sdd v3.0.4
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking scc v2.2.4
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]     Checking json_string v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "f36e36a4236d934a38ae83af62944552f357d85b22a42956ae1245068726ed6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36e36a4236d934a38ae83af62944552f357d85b22a42956ae1245068726ed6d", kill_on_drop: false }`
[INFO] [stdout] f36e36a4236d934a38ae83af62944552f357d85b22a42956ae1245068726ed6d