[INFO] cloning repository https://github.com/samschlegel/tonic-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samschlegel/tonic-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamschlegel%2Ftonic-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamschlegel%2Ftonic-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30266ca269550886ded1fff188fdc101cd3992c6
[INFO] checking samschlegel/tonic-playground against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamschlegel%2Ftonic-playground" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samschlegel/tonic-playground on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samschlegel/tonic-playground
[INFO] finished tweaking git repo https://github.com/samschlegel/tonic-playground
[INFO] tweaked toml for git repo https://github.com/samschlegel/tonic-playground written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/samschlegel/tonic-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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 tower-util v0.3.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.6
[INFO] [stderr]   Downloaded tracing-core v0.1.9
[INFO] [stderr]   Downloaded multimap v0.8.0
[INFO] [stderr]   Downloaded tower-ready-cache v0.3.0
[INFO] [stderr]   Downloaded tracing-futures v0.2.1
[INFO] [stderr]   Downloaded tracing v0.1.12
[INFO] [stderr]   Downloaded tower-limit v0.3.0
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b85d787f1c1c9825382a07dbadb4a096860d69a63bbfac2ccc5668c726d0a35
[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" "2b85d787f1c1c9825382a07dbadb4a096860d69a63bbfac2ccc5668c726d0a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b85d787f1c1c9825382a07dbadb4a096860d69a63bbfac2ccc5668c726d0a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b85d787f1c1c9825382a07dbadb4a096860d69a63bbfac2ccc5668c726d0a35", kill_on_drop: false }`
[INFO] [stdout] 2b85d787f1c1c9825382a07dbadb4a096860d69a63bbfac2ccc5668c726d0a35
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb8626dcd56e6d155a39e0575552cbbfcd9be30bcac6d06eba33edef4fac3fcd
[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" "bb8626dcd56e6d155a39e0575552cbbfcd9be30bcac6d06eba33edef4fac3fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling anyhow v1.0.26
[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]    Compiling either v1.5.3
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Checking tower-util v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking tower-ready-cache v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling tonic-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking tonic v0.1.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "bb8626dcd56e6d155a39e0575552cbbfcd9be30bcac6d06eba33edef4fac3fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8626dcd56e6d155a39e0575552cbbfcd9be30bcac6d06eba33edef4fac3fcd", kill_on_drop: false }`
[INFO] [stdout] bb8626dcd56e6d155a39e0575552cbbfcd9be30bcac6d06eba33edef4fac3fcd