[INFO] fetching crate teko 0.1.9...
[INFO] checking teko-0.1.9 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate teko 0.1.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate teko 0.1.9 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] 7150029e20685cf72270407d66c1d97d9498be3fbb7f9fb595ad62a807c474db
[INFO] running `Command { std: "docker" "start" "-a" "7150029e20685cf72270407d66c1d97d9498be3fbb7f9fb595ad62a807c474db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7150029e20685cf72270407d66c1d97d9498be3fbb7f9fb595ad62a807c474db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7150029e20685cf72270407d66c1d97d9498be3fbb7f9fb595ad62a807c474db", kill_on_drop: false }`
[INFO] [stdout] 7150029e20685cf72270407d66c1d97d9498be3fbb7f9fb595ad62a807c474db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e55c971c92b2e9c429ee3153392f23b9569f069956aa753ff4160b713d0b675
[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" "6e55c971c92b2e9c429ee3153392f23b9569f069956aa753ff4160b713d0b675", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `Command { std: "docker" "inspect" "6e55c971c92b2e9c429ee3153392f23b9569f069956aa753ff4160b713d0b675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e55c971c92b2e9c429ee3153392f23b9569f069956aa753ff4160b713d0b675", kill_on_drop: false }`
[INFO] [stdout] 6e55c971c92b2e9c429ee3153392f23b9569f069956aa753ff4160b713d0b675