[INFO] fetching crate tasklib 0.3.2...
[INFO] building tasklib-0.3.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tasklib 0.3.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tasklib 0.3.2
[INFO] finished tweaking crates.io crate tasklib 0.3.2
[INFO] tweaked toml for crates.io crate tasklib 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tasklib 0.3.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79f344d13384e04478a2453584acecbe5f5363f162eb6eb6fd2018197e545e3c
[INFO] running `Command { std: "docker" "start" "-a" "79f344d13384e04478a2453584acecbe5f5363f162eb6eb6fd2018197e545e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79f344d13384e04478a2453584acecbe5f5363f162eb6eb6fd2018197e545e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f344d13384e04478a2453584acecbe5f5363f162eb6eb6fd2018197e545e3c", kill_on_drop: false }`
[INFO] [stdout] 79f344d13384e04478a2453584acecbe5f5363f162eb6eb6fd2018197e545e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc797988ffeec20444c12286cdac5c8c6ccc54bd22dc39e26037f04139875f35
[INFO] running `Command { std: "docker" "start" "-a" "bc797988ffeec20444c12286cdac5c8c6ccc54bd22dc39e26037f04139875f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling tasklib v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]    --> src/lib.rs:978:10
[INFO] [stdout]     |
[INFO] [stdout] 978 |     enum Type {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_str`, `from_str`, and `from_string` are never used
[INFO] [stdout]     --> src/lib.rs:998:12
[INFO] [stdout]      |
[INFO] [stdout]  997 |     impl Type {
[INFO] [stdout]      |     --------- associated items in this implementation
[INFO] [stdout]  998 |         fn to_str(&self) -> &str {
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1006 |         fn from_str(s: &str) -> Result<Type, String> {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1015 |         fn from_string(s: String) -> Result<Type, String> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "bc797988ffeec20444c12286cdac5c8c6ccc54bd22dc39e26037f04139875f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc797988ffeec20444c12286cdac5c8c6ccc54bd22dc39e26037f04139875f35", kill_on_drop: false }`
[INFO] [stdout] bc797988ffeec20444c12286cdac5c8c6ccc54bd22dc39e26037f04139875f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31999ef81509ab4245d9cdd4343748434f89dbe4e2f654161749f07ca94c2db0
[INFO] running `Command { std: "docker" "start" "-a" "31999ef81509ab4245d9cdd4343748434f89dbe4e2f654161749f07ca94c2db0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tasklib v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]    --> src/lib.rs:978:10
[INFO] [stdout]     |
[INFO] [stdout] 978 |     enum Type {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_str`, `from_str`, and `from_string` are never used
[INFO] [stdout]     --> src/lib.rs:998:12
[INFO] [stdout]      |
[INFO] [stdout]  997 |     impl Type {
[INFO] [stdout]      |     --------- associated items in this implementation
[INFO] [stdout]  998 |         fn to_str(&self) -> &str {
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1006 |         fn from_str(s: &str) -> Result<Type, String> {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1015 |         fn from_string(s: String) -> Result<Type, String> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]    --> src/lib.rs:978:10
[INFO] [stdout]     |
[INFO] [stdout] 978 |     enum Type {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_str`, `from_str`, and `from_string` are never used
[INFO] [stdout]     --> src/lib.rs:998:12
[INFO] [stdout]      |
[INFO] [stdout]  997 |     impl Type {
[INFO] [stdout]      |     --------- associated items in this implementation
[INFO] [stdout]  998 |         fn to_str(&self) -> &str {
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1006 |         fn from_str(s: &str) -> Result<Type, String> {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1015 |         fn from_string(s: String) -> Result<Type, String> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "31999ef81509ab4245d9cdd4343748434f89dbe4e2f654161749f07ca94c2db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31999ef81509ab4245d9cdd4343748434f89dbe4e2f654161749f07ca94c2db0", kill_on_drop: false }`
[INFO] [stdout] 31999ef81509ab4245d9cdd4343748434f89dbe4e2f654161749f07ca94c2db0