[INFO] fetching crate ticketed_lock 0.3.0...
[INFO] building ticketed_lock-0.3.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ticketed_lock 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ticketed_lock 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ticketed_lock 0.3.0
[INFO] tweaked toml for crates.io crate ticketed_lock 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ticketed_lock 0.3.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ticketed_lock 0.3.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4357151d0a4e62132f9acd30bca74210626c768bf36c9be3f307d2b30aa9eb31
[INFO] running `Command { std: "docker" "start" "-a" "4357151d0a4e62132f9acd30bca74210626c768bf36c9be3f307d2b30aa9eb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4357151d0a4e62132f9acd30bca74210626c768bf36c9be3f307d2b30aa9eb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4357151d0a4e62132f9acd30bca74210626c768bf36c9be3f307d2b30aa9eb31", kill_on_drop: false }`
[INFO] [stdout] 4357151d0a4e62132f9acd30bca74210626c768bf36c9be3f307d2b30aa9eb31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a60fb5c2535bd4a4496d9957c16fabc76f5589e6131da06a68a2e492dfe7b40d
[INFO] running `Command { std: "docker" "start" "-a" "a60fb5c2535bd4a4496d9957c16fabc76f5589e6131da06a68a2e492dfe7b40d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling ticketed_lock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `access` is never read
[INFO] [stdout]   --> src/raw.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Ticket<A> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     access: A,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ticket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "a60fb5c2535bd4a4496d9957c16fabc76f5589e6131da06a68a2e492dfe7b40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60fb5c2535bd4a4496d9957c16fabc76f5589e6131da06a68a2e492dfe7b40d", kill_on_drop: false }`
[INFO] [stdout] a60fb5c2535bd4a4496d9957c16fabc76f5589e6131da06a68a2e492dfe7b40d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66019771b896a1d7420bc6ec843627c0c20ca71d30c005c3da61b1ea19b32f3
[INFO] running `Command { std: "docker" "start" "-a" "b66019771b896a1d7420bc6ec843627c0c20ca71d30c005c3da61b1ea19b32f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stdout] warning: field `access` is never read
[INFO] [stdout]   --> src/raw.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Ticket<A> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     access: A,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ticket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v1.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling ticketed_lock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `access` is never read
[INFO] [stdout]   --> src/raw.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Ticket<A> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     access: A,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ticket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "b66019771b896a1d7420bc6ec843627c0c20ca71d30c005c3da61b1ea19b32f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66019771b896a1d7420bc6ec843627c0c20ca71d30c005c3da61b1ea19b32f3", kill_on_drop: false }`
[INFO] [stdout] b66019771b896a1d7420bc6ec843627c0c20ca71d30c005c3da61b1ea19b32f3