[INFO] fetching crate json_ops 0.1.0...
[INFO] testing json_ops-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate json_ops 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate json_ops 0.1.0
[INFO] finished tweaking crates.io crate json_ops 0.1.0
[INFO] tweaked toml for crates.io crate json_ops 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_ops 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate json_ops 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.160
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 495409cbd94ec4329eba8966bfbb8ea5a59715d3fb5353ab89112d7e13c2acf3
[INFO] running `Command { std: "docker" "start" "-a" "495409cbd94ec4329eba8966bfbb8ea5a59715d3fb5353ab89112d7e13c2acf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495409cbd94ec4329eba8966bfbb8ea5a59715d3fb5353ab89112d7e13c2acf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495409cbd94ec4329eba8966bfbb8ea5a59715d3fb5353ab89112d7e13c2acf3", kill_on_drop: false }`
[INFO] [stdout] 495409cbd94ec4329eba8966bfbb8ea5a59715d3fb5353ab89112d7e13c2acf3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57bc2e26d8a5e7610318e8c9421fa398a35fe2b0e6ba8ca0e58dc209a3d3303
[INFO] running `Command { std: "docker" "start" "-a" "c57bc2e26d8a5e7610318e8c9421fa398a35fe2b0e6ba8ca0e58dc209a3d3303", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling json_ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "c57bc2e26d8a5e7610318e8c9421fa398a35fe2b0e6ba8ca0e58dc209a3d3303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57bc2e26d8a5e7610318e8c9421fa398a35fe2b0e6ba8ca0e58dc209a3d3303", kill_on_drop: false }`
[INFO] [stdout] c57bc2e26d8a5e7610318e8c9421fa398a35fe2b0e6ba8ca0e58dc209a3d3303
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cee6d5b056010f07b0f9c19e201781bd8d3376972edbc26a338de6043d26c25a
[INFO] running `Command { std: "docker" "start" "-a" "cee6d5b056010f07b0f9c19e201781bd8d3376972edbc26a338de6043d26c25a", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `toml`
[INFO] [stdout]  --> tests/tomloper.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use toml::Value;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `toml`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `toml`, use `cargo add toml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `toml`
[INFO] [stdout]  --> examples/pathwrite.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut v: toml::Value = str_toml.parse().unwrap();
[INFO] [stdout]   |                ^^^^ use of unresolved module or unlinked crate `toml`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `toml`, use `cargo add toml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_ops` (example "pathwrite") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `toml`
[INFO] [stdout]  --> examples/pathread_mut.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut v: toml::Value = str_toml.parse().unwrap();
[INFO] [stdout]   |                ^^^^ use of unresolved module or unlinked crate `toml`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `toml`, use `cargo add toml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `toml`
[INFO] [stdout]  --> examples/pathread.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: toml::Value = str_toml.parse().unwrap();
[INFO] [stdout]   |            ^^^^ use of unresolved module or unlinked crate `toml`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `toml`, use `cargo add toml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_ops` (example "pathread_mut") due to 1 previous error
[INFO] [stderr] error: could not compile `json_ops` (example "pathread") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_ops` (test "tomloper") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cee6d5b056010f07b0f9c19e201781bd8d3376972edbc26a338de6043d26c25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee6d5b056010f07b0f9c19e201781bd8d3376972edbc26a338de6043d26c25a", kill_on_drop: false }`
[INFO] [stdout] cee6d5b056010f07b0f9c19e201781bd8d3376972edbc26a338de6043d26c25a