[INFO] crate certainly 1.8.0 is already in cache
[INFO] testing certainly-1.8.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate certainly 1.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate certainly 1.8.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate certainly 1.8.0
[INFO] finished tweaking crates.io crate certainly 1.8.0
[INFO] tweaked toml for crates.io crate certainly 1.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate certainly 1.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b32e053c6ff7a646fb3ff2403a83e37f3ece2db79202b812ee965d01030f16d
[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" "5b32e053c6ff7a646fb3ff2403a83e37f3ece2db79202b812ee965d01030f16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b32e053c6ff7a646fb3ff2403a83e37f3ece2db79202b812ee965d01030f16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b32e053c6ff7a646fb3ff2403a83e37f3ece2db79202b812ee965d01030f16d", kill_on_drop: false }`
[INFO] [stdout] 5b32e053c6ff7a646fb3ff2403a83e37f3ece2db79202b812ee965d01030f16d
[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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fff8176bbc81556d843a03708d1dbf89d87bda8e9d7402f04a06a58849ae656
[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" "5fff8176bbc81556d843a03708d1dbf89d87bda8e9d7402f04a06a58849ae656", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-bigint-dig v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling gethostname v0.2.0
[INFO] [stderr]    Compiling lexical-core v0.4.5
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling webpki v0.21.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling yasna v0.3.1
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.17.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling zeroize_derive v0.1.0
[INFO] [stderr]    Compiling rustls-connector v0.8.0
[INFO] [stderr]    Compiling rusticata-macros v2.0.3
[INFO] [stderr]    Compiling der-parser v3.0.2
[INFO] [stderr]    Compiling zeroize v0.6.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling x509-parser v0.6.0
[INFO] [stderr]    Compiling pem v0.6.1
[INFO] [stderr]    Compiling rcgen v0.7.0
[INFO] [stderr]    Compiling rsa v0.1.3
[INFO] [stderr]    Compiling certainly v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "5fff8176bbc81556d843a03708d1dbf89d87bda8e9d7402f04a06a58849ae656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fff8176bbc81556d843a03708d1dbf89d87bda8e9d7402f04a06a58849ae656", kill_on_drop: false }`
[INFO] [stdout] 5fff8176bbc81556d843a03708d1dbf89d87bda8e9d7402f04a06a58849ae656
[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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 84434d58b108c3049041cf5c3880aef915bf67a1c76d9077ebb92cce94d0aa52
[INFO] running `Command { std: "docker" "start" "-a" "84434d58b108c3049041cf5c3880aef915bf67a1c76d9077ebb92cce94d0aa52", kill_on_drop: false }`
[INFO] [stderr]    Compiling certainly v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "84434d58b108c3049041cf5c3880aef915bf67a1c76d9077ebb92cce94d0aa52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84434d58b108c3049041cf5c3880aef915bf67a1c76d9077ebb92cce94d0aa52", kill_on_drop: false }`
[INFO] [stdout] 84434d58b108c3049041cf5c3880aef915bf67a1c76d9077ebb92cce94d0aa52
[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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c126b787baaa7ac81f9f08b1dbb03283c55a1d772d2769528a68e48ad23ad6fe
[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" "c126b787baaa7ac81f9f08b1dbb03283c55a1d772d2769528a68e48ad23ad6fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/certainly-cb9022195877a860
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c126b787baaa7ac81f9f08b1dbb03283c55a1d772d2769528a68e48ad23ad6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c126b787baaa7ac81f9f08b1dbb03283c55a1d772d2769528a68e48ad23ad6fe", kill_on_drop: false }`
[INFO] [stdout] c126b787baaa7ac81f9f08b1dbb03283c55a1d772d2769528a68e48ad23ad6fe