[INFO] fetching crate celeste 2.0.1...
[INFO] checking celeste-2.0.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate celeste 2.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate celeste 2.0.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate celeste 2.0.1
[INFO] finished tweaking crates.io crate celeste 2.0.1
[INFO] tweaked toml for crates.io crate celeste 2.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9d4906167afdaccd50c894145d617fbc2eeb5b4cca04e37ce2b6edb0cad81da
[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" "d9d4906167afdaccd50c894145d617fbc2eeb5b4cca04e37ce2b6edb0cad81da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9d4906167afdaccd50c894145d617fbc2eeb5b4cca04e37ce2b6edb0cad81da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d4906167afdaccd50c894145d617fbc2eeb5b4cca04e37ce2b6edb0cad81da", kill_on_drop: false }`
[INFO] [stdout] d9d4906167afdaccd50c894145d617fbc2eeb5b4cca04e37ce2b6edb0cad81da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3eaa11075b497e657030c65ab0da407c67d8ecbac376a81a9f9b7069bca6f7c
[INFO] running `Command { std: "docker" "start" "-a" "b3eaa11075b497e657030c65ab0da407c67d8ecbac376a81a9f9b7069bca6f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking nom-varint v0.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling celeste_derive v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking celeste v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error_chain::error_chain_processing`
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use error_chain::error_chain_processing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_kind`
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use error_chain::impl_error_chain_kind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_processed`
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use error_chain::impl_error_chain_processed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_extract_backtrace`
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use error_chain::impl_extract_backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::error_chain_processing`
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use error_chain::error_chain_processing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_kind`
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use error_chain::impl_error_chain_kind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_processed`
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use error_chain::impl_error_chain_processed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_extract_backtrace`
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use error_chain::impl_extract_backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.68s
[INFO] running `Command { std: "docker" "inspect" "b3eaa11075b497e657030c65ab0da407c67d8ecbac376a81a9f9b7069bca6f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3eaa11075b497e657030c65ab0da407c67d8ecbac376a81a9f9b7069bca6f7c", kill_on_drop: false }`
[INFO] [stdout] b3eaa11075b497e657030c65ab0da407c67d8ecbac376a81a9f9b7069bca6f7c