[INFO] fetching crate evcxr 0.5.3...
[INFO] checking evcxr-0.5.3 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate evcxr 0.5.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate evcxr 0.5.3 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evcxr 0.5.3
[INFO] finished tweaking crates.io crate evcxr 0.5.3
[INFO] tweaked toml for crates.io crate evcxr 0.5.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate evcxr 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee934ffe608259cb0ece1136f9f11e447be346f0b47711acfd9adbb47b33beb6
[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" "ee934ffe608259cb0ece1136f9f11e447be346f0b47711acfd9adbb47b33beb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee934ffe608259cb0ece1136f9f11e447be346f0b47711acfd9adbb47b33beb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee934ffe608259cb0ece1136f9f11e447be346f0b47711acfd9adbb47b33beb6", kill_on_drop: false }`
[INFO] [stdout] ee934ffe608259cb0ece1136f9f11e447be346f0b47711acfd9adbb47b33beb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab60a212454906329ca278e88afad545b6c70a9f21e86c1ebe73849b1fd037a
[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" "4ab60a212454906329ca278e88afad545b6c70a9f21e86c1ebe73849b1fd037a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking evcxr v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.66s
[INFO] running `Command { std: "docker" "inspect" "4ab60a212454906329ca278e88afad545b6c70a9f21e86c1ebe73849b1fd037a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab60a212454906329ca278e88afad545b6c70a9f21e86c1ebe73849b1fd037a", kill_on_drop: false }`
[INFO] [stdout] 4ab60a212454906329ca278e88afad545b6c70a9f21e86c1ebe73849b1fd037a