[INFO] fetching crate imgflip 0.1.0...
[INFO] checking imgflip-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate imgflip 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imgflip 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgflip 0.1.0
[INFO] finished tweaking crates.io crate imgflip 0.1.0
[INFO] tweaked toml for crates.io crate imgflip 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate imgflip 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.14
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] [stderr]   Downloaded serde_qs v0.5.2
[INFO] [stderr]   Downloaded thiserror v1.0.14
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded vcpkg v0.2.8
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded openssl v0.10.28
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded h2 v0.2.2
[INFO] [stderr]   Downloaded security-framework v0.4.1
[INFO] [stderr]   Downloaded futures-sink v0.3.4
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] [stderr]   Downloaded pin-project v0.4.8
[INFO] [stderr]   Downloaded pin-project-internal v0.4.8
[INFO] [stderr]   Downloaded backtrace-sys v0.1.34
[INFO] [stderr]   Downloaded futures-executor v0.3.4
[INFO] [stderr]   Downloaded futures-task v0.3.4
[INFO] [stderr]   Downloaded hyper v0.13.4
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded futures-util v0.3.4
[INFO] [stderr]   Downloaded tokio-util v0.2.0
[INFO] [stderr]   Downloaded tower-service v0.3.0
[INFO] [stderr]   Downloaded http v0.2.0
[INFO] [stderr]   Downloaded hyper-tls v0.4.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] [stderr]   Downloaded dtoa v0.4.5
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded encoding_rs v0.8.22
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded security-framework-sys v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded reqwest v0.10.4
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.9
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded tokio-tls v0.3.0
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded tokio-macros v0.2.5
[INFO] [stderr]   Downloaded futures-channel v0.3.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.54
[INFO] [stderr]   Downloaded backtrace v0.3.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a1337fa952aa4e5542fd10ada7d7266a892bee59129f22517188f8f653b34a1
[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" "5a1337fa952aa4e5542fd10ada7d7266a892bee59129f22517188f8f653b34a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1337fa952aa4e5542fd10ada7d7266a892bee59129f22517188f8f653b34a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1337fa952aa4e5542fd10ada7d7266a892bee59129f22517188f8f653b34a1", kill_on_drop: false }`
[INFO] [stdout] 5a1337fa952aa4e5542fd10ada7d7266a892bee59129f22517188f8f653b34a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cefe52f5abd53286548d24ff71c565b7cbace228b98bfd35e10fdc7fa772c786
[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" "cefe52f5abd53286548d24ff71c565b7cbace228b98bfd35e10fdc7fa772c786", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking imgflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "cefe52f5abd53286548d24ff71c565b7cbace228b98bfd35e10fdc7fa772c786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefe52f5abd53286548d24ff71c565b7cbace228b98bfd35e10fdc7fa772c786", kill_on_drop: false }`
[INFO] [stdout] cefe52f5abd53286548d24ff71c565b7cbace228b98bfd35e10fdc7fa772c786