[INFO] fetching crate rvk 0.18.0...
[INFO] testing rvk-0.18.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rvk 0.18.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rvk 0.18.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rvk 0.18.0
[INFO] finished tweaking crates.io crate rvk 0.18.0
[INFO] tweaked toml for crates.io crate rvk 0.18.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rvk 0.18.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2dd54b75d3d39a2d5b333c5ad15951a92f0bac76ee4832da65ddf74f6d3be59
[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" "f2dd54b75d3d39a2d5b333c5ad15951a92f0bac76ee4832da65ddf74f6d3be59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2dd54b75d3d39a2d5b333c5ad15951a92f0bac76ee4832da65ddf74f6d3be59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2dd54b75d3d39a2d5b333c5ad15951a92f0bac76ee4832da65ddf74f6d3be59", kill_on_drop: false }`
[INFO] [stdout] f2dd54b75d3d39a2d5b333c5ad15951a92f0bac76ee4832da65ddf74f6d3be59
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2100a639c9f12337171f6a98160b74d72f4250b770fe958fca7561cb5d4ff5
[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" "6d2100a639c9f12337171f6a98160b74d72f4250b770fe958fca7561cb5d4ff5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling thiserror v1.0.18
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.5
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling rvk v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "6d2100a639c9f12337171f6a98160b74d72f4250b770fe958fca7561cb5d4ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2100a639c9f12337171f6a98160b74d72f4250b770fe958fca7561cb5d4ff5", kill_on_drop: false }`
[INFO] [stdout] 6d2100a639c9f12337171f6a98160b74d72f4250b770fe958fca7561cb5d4ff5
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfcef69758ae5f0f853de3abc11ed614cc00e4d7df4ec4b8f5be399fb817adff
[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" "dfcef69758ae5f0f853de3abc11ed614cc00e4d7df4ec4b8f5be399fb817adff", kill_on_drop: false }`
[INFO] [stderr]    Compiling rvk v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.31s
[INFO] running `Command { std: "docker" "inspect" "dfcef69758ae5f0f853de3abc11ed614cc00e4d7df4ec4b8f5be399fb817adff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcef69758ae5f0f853de3abc11ed614cc00e4d7df4ec4b8f5be399fb817adff", kill_on_drop: false }`
[INFO] [stdout] dfcef69758ae5f0f853de3abc11ed614cc00e4d7df4ec4b8f5be399fb817adff
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0ada2adf7760d514ae1835f0d502e472fa17fcc5bc4cd7028c1c85ddddcdbeb
[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" "a0ada2adf7760d514ae1835f0d502e472fa17fcc5bc4cd7028c1c85ddddcdbeb", 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]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rvk-4df45b5a2f2d87ed
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test error::tests::api_error ... ok
[INFO] [stderr]    Doc-tests rvk
[INFO] [stdout] test error::tests::other_error_from_str ... ok
[INFO] [stdout] test error::tests::other_error_from_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/error.rs - error::APIError::code (line 32) ... ok
[INFO] [stdout] test src/error.rs - error::APIError::msg (line 45) ... ok
[INFO] [stdout] test src/error.rs - error::APIError::extra (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0ada2adf7760d514ae1835f0d502e472fa17fcc5bc4cd7028c1c85ddddcdbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ada2adf7760d514ae1835f0d502e472fa17fcc5bc4cd7028c1c85ddddcdbeb", kill_on_drop: false }`
[INFO] [stdout] a0ada2adf7760d514ae1835f0d502e472fa17fcc5bc4cd7028c1c85ddddcdbeb