[INFO] fetching crate twirl 0.1.1...
[INFO] checking twirl-0.1.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate twirl 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate twirl 0.1.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twirl 0.1.1
[INFO] finished tweaking crates.io crate twirl 0.1.1
[INFO] tweaked toml for crates.io crate twirl 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc5c00c5e5089d5676f9cf6815930a2448e1cc2cfe2ce2541e7ddbd293b975a0
[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" "dc5c00c5e5089d5676f9cf6815930a2448e1cc2cfe2ce2541e7ddbd293b975a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc5c00c5e5089d5676f9cf6815930a2448e1cc2cfe2ce2541e7ddbd293b975a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5c00c5e5089d5676f9cf6815930a2448e1cc2cfe2ce2541e7ddbd293b975a0", kill_on_drop: false }`
[INFO] [stdout] dc5c00c5e5089d5676f9cf6815930a2448e1cc2cfe2ce2541e7ddbd293b975a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70300830285da5515a196eff58a3ddf60c7b7fe00aa8f5355cbe808446b18a0c
[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" "70300830285da5515a196eff58a3ddf60c7b7fe00aa8f5355cbe808446b18a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
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[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking tower-service v0.3.0-alpha.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking simple-error v0.2.3
[INFO] [stderr]    Compiling indexmap v1.6.1
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[INFO] [stderr]     Checking tracing-core v0.1.17
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[INFO] [stderr]    Compiling openssl v0.10.32
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[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-integer v0.1.44
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[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking idna v0.2.0
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[INFO] [stderr]     Checking crossbeam-channel v0.3.9
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[INFO] [stderr]     Checking openssl-sys v0.9.60
[INFO] [stderr]     Checking memchr v1.0.2
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[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking threadpool v1.8.1
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[INFO] [stderr]    Compiling synstructure v0.12.4
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[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
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[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ffi-support v0.3.5
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
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[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-make v0.3.0-alpha.2a
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking hyper v0.13.0-alpha.4
[INFO] [stderr]     Checking connect v0.1.1
[INFO] [stderr]     Checking hyper-tls v0.4.0-alpha.4
[INFO] [stderr]     Checking twirl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/api/api_call.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Error::description(self).fmt(f)
[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/auth/auth_provider.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Error::description(self).fmt(f)
[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/api/api_call.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Error::description(self).fmt(f)
[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/auth/auth_provider.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Error::description(self).fmt(f)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "70300830285da5515a196eff58a3ddf60c7b7fe00aa8f5355cbe808446b18a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70300830285da5515a196eff58a3ddf60c7b7fe00aa8f5355cbe808446b18a0c", kill_on_drop: false }`
[INFO] [stdout] 70300830285da5515a196eff58a3ddf60c7b7fe00aa8f5355cbe808446b18a0c