[INFO] fetching crate gert 0.2.1...
[INFO] checking gert-0.2.1 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate gert 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate gert 0.2.1 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate gert 0.2.1
[INFO] finished tweaking crates.io crate gert 0.2.1
[INFO] tweaked toml for crates.io crate gert 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate gert 0.2.1 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded time v0.3.16
[INFO] [stderr]   Downloaded bzip2 v0.4.3
[INFO] [stderr]   Downloaded time-macros v0.2.5
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded cookie v0.16.1
[INFO] [stderr]   Downloaded hyper v0.14.22
[INFO] [stderr]   Downloaded zstd-sys v2.0.1+zstd.1.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c30273c0b824681b6c1ec7f720972921789cc696a45eaf2c92a2cb7f41b19d
[INFO] running `Command { std: "docker" "start" "-a" "17c30273c0b824681b6c1ec7f720972921789cc696a45eaf2c92a2cb7f41b19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c30273c0b824681b6c1ec7f720972921789cc696a45eaf2c92a2cb7f41b19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c30273c0b824681b6c1ec7f720972921789cc696a45eaf2c92a2cb7f41b19d", kill_on_drop: false }`
[INFO] [stdout] 17c30273c0b824681b6c1ec7f720972921789cc696a45eaf2c92a2cb7f41b19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ec515b935d3355b9b2b8c9a7e8348a216fbad778418ecbfe38daccbfe6a27b
[INFO] running `Command { std: "docker" "start" "-a" "39ec515b935d3355b9b2b8c9a7e8348a216fbad778418ecbfe38daccbfe6a27b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling time-macros v0.2.5
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
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[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking regex v1.7.0
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[INFO] [stderr]    Compiling openssl-sys v0.9.77
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[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
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[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking ipnet v2.5.0
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[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking which v4.3.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking env_logger v0.8.4
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[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking tokio-util v0.7.4
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[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.3
[INFO] [stderr]     Checking gert v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&std::option::Option<std::string::String>` instead of borrowing the inner type
[INFO] [stdout]    --> src/download.rs:523:69
[INFO] [stdout]     |
[INFO] [stdout] 523 |         let video_url = parsed.files.get(MP4_EXTENSION).unwrap().url.borrow().to_owned().unwrap();
[INFO] [stdout]     |                                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&std::option::Option<std::string::String>` instead of borrowing the inner type
[INFO] [stdout]    --> src/download.rs:523:69
[INFO] [stdout]     |
[INFO] [stdout] 523 |         let video_url = parsed.files.get(MP4_EXTENSION).unwrap().url.borrow().to_owned().unwrap();
[INFO] [stdout]     |                                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.63s
[INFO] running `Command { std: "docker" "inspect" "39ec515b935d3355b9b2b8c9a7e8348a216fbad778418ecbfe38daccbfe6a27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ec515b935d3355b9b2b8c9a7e8348a216fbad778418ecbfe38daccbfe6a27b", kill_on_drop: false }`
[INFO] [stdout] 39ec515b935d3355b9b2b8c9a7e8348a216fbad778418ecbfe38daccbfe6a27b