[INFO] fetching crate teko 0.1.9...
[INFO] checking teko-0.1.9 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate teko 0.1.9 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate teko 0.1.9 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teko 0.1.9
[INFO] finished tweaking crates.io crate teko 0.1.9
[INFO] tweaked toml for crates.io crate teko 0.1.9 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ff00aa3d7dad1340ba9912b5b226038f444826880bc952dd350ea92ca5f57f5
[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" "8ff00aa3d7dad1340ba9912b5b226038f444826880bc952dd350ea92ca5f57f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ff00aa3d7dad1340ba9912b5b226038f444826880bc952dd350ea92ca5f57f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff00aa3d7dad1340ba9912b5b226038f444826880bc952dd350ea92ca5f57f5", kill_on_drop: false }`
[INFO] [stdout] 8ff00aa3d7dad1340ba9912b5b226038f444826880bc952dd350ea92ca5f57f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] f6621f41a8f3b1b743454962257d66f02b223a696b3da4dc6fba9b98d73e33a5
[INFO] running `Command { std: "docker" "start" "-a" "f6621f41a8f3b1b743454962257d66f02b223a696b3da4dc6fba9b98d73e33a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking teko v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Function` is imported redundantly
[INFO] [stdout]    --> src/utilities.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 7   | use data_structures::{Commands, Coredata, Env, Function, Macro, ParseState, Program, Source,
[INFO] [stdout]     |                                                -------- the item `Function` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 171 |         use data_structures::{Boolean, Function, Macro};
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Macro` is imported redundantly
[INFO] [stdout]    --> src/utilities.rs:171:44
[INFO] [stdout]     |
[INFO] [stdout] 7   | use data_structures::{Commands, Coredata, Env, Function, Macro, ParseState, Program, Source,
[INFO] [stdout]     |                                                          ----- the item `Macro` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 171 |         use data_structures::{Boolean, Function, Macro};
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Function` is imported redundantly
[INFO] [stdout]    --> src/utilities.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 7   | use data_structures::{Commands, Coredata, Env, Function, Macro, ParseState, Program, Source,
[INFO] [stdout]     |                                                -------- the item `Function` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 171 |         use data_structures::{Boolean, Function, Macro};
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Macro` is imported redundantly
[INFO] [stdout]    --> src/utilities.rs:171:44
[INFO] [stdout]     |
[INFO] [stdout] 7   | use data_structures::{Commands, Coredata, Env, Function, Macro, ParseState, Program, Source,
[INFO] [stdout]     |                                                          ----- the item `Macro` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 171 |         use data_structures::{Boolean, Function, Macro};
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/utilities.rs:472:26
[INFO] [stdout]     |
[INFO] [stdout] 472 |         state.error = Some(err.description().into());
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/utilities.rs:472:26
[INFO] [stdout]     |
[INFO] [stdout] 472 |         state.error = Some(err.description().into());
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "f6621f41a8f3b1b743454962257d66f02b223a696b3da4dc6fba9b98d73e33a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6621f41a8f3b1b743454962257d66f02b223a696b3da4dc6fba9b98d73e33a5", kill_on_drop: false }`
[INFO] [stdout] f6621f41a8f3b1b743454962257d66f02b223a696b3da4dc6fba9b98d73e33a5