[INFO] fetching crate comment_app_backend 0.1.3...
[INFO] testing comment_app_backend-0.1.3 against 1.52.1 for beta-1.52-2
[INFO] extracting crate comment_app_backend 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate comment_app_backend 0.1.3 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comment_app_backend 0.1.3
[INFO] finished tweaking crates.io crate comment_app_backend 0.1.3
[INFO] tweaked toml for crates.io crate comment_app_backend 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate comment_app_backend 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2695f9293ea93031f5a08a4a6af33b6a64bad2b8dcef4674a2b00422c2ee44f8
[INFO] running `Command { std: "docker" "start" "-a" "2695f9293ea93031f5a08a4a6af33b6a64bad2b8dcef4674a2b00422c2ee44f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2695f9293ea93031f5a08a4a6af33b6a64bad2b8dcef4674a2b00422c2ee44f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2695f9293ea93031f5a08a4a6af33b6a64bad2b8dcef4674a2b00422c2ee44f8", kill_on_drop: false }`
[INFO] [stdout] 2695f9293ea93031f5a08a4a6af33b6a64bad2b8dcef4674a2b00422c2ee44f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94a39ec70cb6d6bbe1541422ac12e5792574e067dae32acaa946e6f9d1486ebc
[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" "94a39ec70cb6d6bbe1541422ac12e5792574e067dae32acaa946e6f9d1486ebc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling standback v0.2.2
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling rusqlite v0.23.1
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.12.2
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling warp v0.2.2
[INFO] [stderr]    Compiling comment_app_backend v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 22s
[INFO] running `Command { std: "docker" "inspect" "94a39ec70cb6d6bbe1541422ac12e5792574e067dae32acaa946e6f9d1486ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a39ec70cb6d6bbe1541422ac12e5792574e067dae32acaa946e6f9d1486ebc", kill_on_drop: false }`
[INFO] [stdout] 94a39ec70cb6d6bbe1541422ac12e5792574e067dae32acaa946e6f9d1486ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] adc2a35a816a0f36851c41b2704e471a1f0ccf5cc7966e08ee13d996d164708a
[INFO] running `Command { std: "docker" "start" "-a" "adc2a35a816a0f36851c41b2704e471a1f0ccf5cc7966e08ee13d996d164708a", kill_on_drop: false }`
[INFO] [stderr]    Compiling comment_app_backend v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "adc2a35a816a0f36851c41b2704e471a1f0ccf5cc7966e08ee13d996d164708a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc2a35a816a0f36851c41b2704e471a1f0ccf5cc7966e08ee13d996d164708a", kill_on_drop: false }`
[INFO] [stdout] adc2a35a816a0f36851c41b2704e471a1f0ccf5cc7966e08ee13d996d164708a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faacf36d3b9e3cbec64b69f0ffafbe8f8c9d900e2a42acb91e0864917e312805
[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" "faacf36d3b9e3cbec64b69f0ffafbe8f8c9d900e2a42acb91e0864917e312805", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/comment_app_backend-97991f06ae7117f3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/comment_app_backend-3eeab4aaa91fef4c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests comment_app_backend
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faacf36d3b9e3cbec64b69f0ffafbe8f8c9d900e2a42acb91e0864917e312805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faacf36d3b9e3cbec64b69f0ffafbe8f8c9d900e2a42acb91e0864917e312805", kill_on_drop: false }`
[INFO] [stdout] faacf36d3b9e3cbec64b69f0ffafbe8f8c9d900e2a42acb91e0864917e312805