[INFO] fetching crate rivescript 0.1.0...
[INFO] checking rivescript-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rivescript 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rivescript 0.1.0
[INFO] finished tweaking crates.io crate rivescript 0.1.0
[INFO] tweaked toml for crates.io crate rivescript 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rivescript 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rivescript 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-lifetimes v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2caba9b9b9ec4c5d97e4be5f9b2c4fc376be510158a8e4862381ea57b4ffb2df
[INFO] running `Command { std: "docker" "start" "-a" "2caba9b9b9ec4c5d97e4be5f9b2c4fc376be510158a8e4862381ea57b4ffb2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2caba9b9b9ec4c5d97e4be5f9b2c4fc376be510158a8e4862381ea57b4ffb2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2caba9b9b9ec4c5d97e4be5f9b2c4fc376be510158a8e4862381ea57b4ffb2df", kill_on_drop: false }`
[INFO] [stdout] 2caba9b9b9ec4c5d97e4be5f9b2c4fc376be510158a8e4862381ea57b4ffb2df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53002974cdf6b942c046bbfe1ddcc4155909a935872993f7366c1a2a9536f9e6
[INFO] running `Command { std: "docker" "start" "-a" "53002974cdf6b942c046bbfe1ddcc4155909a935872993f7366c1a2a9536f9e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.36.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking is-terminal v0.4.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking rivescript v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `language`, and `code` are never read
[INFO] [stdout]    --> src/ast.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct Object {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 121 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 122 |     pub language: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 123 |     pub code: Vec<String>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Object` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `language`, and `code` are never read
[INFO] [stdout]    --> src/ast.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct Object {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 121 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 122 |     pub language: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 123 |     pub code: Vec<String>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Object` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "53002974cdf6b942c046bbfe1ddcc4155909a935872993f7366c1a2a9536f9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53002974cdf6b942c046bbfe1ddcc4155909a935872993f7366c1a2a9536f9e6", kill_on_drop: false }`
[INFO] [stdout] 53002974cdf6b942c046bbfe1ddcc4155909a935872993f7366c1a2a9536f9e6