[INFO] fetching crate work_tock 0.2.0...
[INFO] checking work_tock-0.2.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate work_tock 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate work_tock 0.2.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate work_tock 0.2.0
[INFO] finished tweaking crates.io crate work_tock 0.2.0
[INFO] tweaked toml for crates.io crate work_tock 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate work_tock 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.19
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded clap_conf v0.1.5
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded derive_more v0.13.0
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded thiserror v1.0.19
[INFO] [stderr]   Downloaded lazy_conf v0.1.1
[INFO] [stderr]   Downloaded gobble v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 297ba2da1deb01b3be04f8a7154177e6dd0b46b0f1737936ef33fda03ed670ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "297ba2da1deb01b3be04f8a7154177e6dd0b46b0f1737936ef33fda03ed670ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297ba2da1deb01b3be04f8a7154177e6dd0b46b0f1737936ef33fda03ed670ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297ba2da1deb01b3be04f8a7154177e6dd0b46b0f1737936ef33fda03ed670ab", kill_on_drop: false }`
[INFO] [stdout] 297ba2da1deb01b3be04f8a7154177e6dd0b46b0f1737936ef33fda03ed670ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e2de75cc66d82c713821a042b834bb131be8524c9b0bf20c67e176f5faa40b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27e2de75cc66d82c713821a042b834bb131be8524c9b0bf20c67e176f5faa40b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking lazy_conf v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking gobble v0.3.0
[INFO] [stderr]     Checking clap_conf v0.1.5
[INFO] [stderr]     Checking work_tock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.12s
[INFO] running `Command { std: "docker" "inspect" "27e2de75cc66d82c713821a042b834bb131be8524c9b0bf20c67e176f5faa40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e2de75cc66d82c713821a042b834bb131be8524c9b0bf20c67e176f5faa40b", kill_on_drop: false }`
[INFO] [stdout] 27e2de75cc66d82c713821a042b834bb131be8524c9b0bf20c67e176f5faa40b