[INFO] cloning repository https://github.com/romatthe/megalodon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romatthe/megalodon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Fmegalodon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Fmegalodon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8979acd701938e3811f16b576473af6abbce6267
[INFO] testing romatthe/megalodon against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Fmegalodon" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romatthe/megalodon on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romatthe/megalodon
[INFO] finished tweaking git repo https://github.com/romatthe/megalodon
[INFO] tweaked toml for git repo https://github.com/romatthe/megalodon written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/romatthe/megalodon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] [stderr]   Downloaded pin-project v0.4.20
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded resolv-conf v0.6.3
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded actix-macros v0.1.2
[INFO] [stderr]   Downloaded actix-threadpool v0.3.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.16
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.5
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded async-trait v0.1.33
[INFO] [stderr]   Downloaded once_cell v1.4.0
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded indexmap v1.4.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.20
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded bytestring v0.1.5
[INFO] [stderr]   Downloaded futures-executor v0.3.5
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded h2 v0.2.5
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded actix-router v0.2.4
[INFO] [stderr]   Downloaded futures-core v0.3.5
[INFO] [stderr]   Downloaded pin-project-lite v0.1.7
[INFO] [stderr]   Downloaded futures v0.3.5
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded actix-connect v1.0.2
[INFO] [stderr]   Downloaded chrono v0.4.11
[INFO] [stderr]   Downloaded actix-codec v0.2.0
[INFO] [stderr]   Downloaded futures-sink v0.3.5
[INFO] [stderr]   Downloaded actix-web v2.0.0
[INFO] [stderr]   Downloaded futures-task v0.3.5
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]   Downloaded actix-tls v1.0.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]   Downloaded widestring v0.4.1
[INFO] [stderr]   Downloaded awc v1.0.1
[INFO] [stderr]   Downloaded futures-io v0.3.5
[INFO] [stderr]   Downloaded futures-macro v0.3.5
[INFO] [stderr]   Downloaded actix-service v1.0.5
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded futures-util v0.3.5
[INFO] [stderr]   Downloaded enum-as-inner v0.3.2
[INFO] [stderr]   Downloaded actix-utils v1.0.6
[INFO] [stderr]   Downloaded actix-server v1.0.3
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.2
[INFO] [stderr]   Downloaded futures-channel v0.3.5
[INFO] [stderr]   Downloaded actix-http v1.0.1
[INFO] [stderr]   Downloaded tokio v0.2.21
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded encoding_rs v0.8.23
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d590b21e7f6e32cea7f2ad89c891bf99c16195e09392e61c6c48624b4b50ac6
[INFO] running `Command { std: "docker" "start" "-a" "5d590b21e7f6e32cea7f2ad89c891bf99c16195e09392e61c6c48624b4b50ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d590b21e7f6e32cea7f2ad89c891bf99c16195e09392e61c6c48624b4b50ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d590b21e7f6e32cea7f2ad89c891bf99c16195e09392e61c6c48624b4b50ac6", kill_on_drop: false }`
[INFO] [stdout] 5d590b21e7f6e32cea7f2ad89c891bf99c16195e09392e61c6c48624b4b50ac6
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752d7f9c966fa10f5eb866dc1fb63fb47bf434b49905139aa7aadf1da19937f3
[INFO] running `Command { std: "docker" "start" "-a" "752d7f9c966fa10f5eb866dc1fb63fb47bf434b49905139aa7aadf1da19937f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "752d7f9c966fa10f5eb866dc1fb63fb47bf434b49905139aa7aadf1da19937f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752d7f9c966fa10f5eb866dc1fb63fb47bf434b49905139aa7aadf1da19937f3", kill_on_drop: false }`
[INFO] [stdout] 752d7f9c966fa10f5eb866dc1fb63fb47bf434b49905139aa7aadf1da19937f3