[INFO] fetching crate r1 0.5.0...
[INFO] testing r1-0.5.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate r1 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate r1 0.5.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r1 0.5.0
[INFO] finished tweaking crates.io crate r1 0.5.0
[INFO] tweaked toml for crates.io crate r1 0.5.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate r1 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded ro v1.0.0
[INFO] [stderr]   Downloaded namaste v0.15.2
[INFO] [stderr]   Downloaded zeros v7.0.0
[INFO] [stderr]   Downloaded dbus v0.8.4
[INFO] [stderr]   Downloaded dia-args v0.51.5
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f6706b97d248f3064bed8aa494b91109a0bd1027cbeb56e3087abdc6f21735a8
[INFO] running `Command { std: "docker" "start" "-a" "f6706b97d248f3064bed8aa494b91109a0bd1027cbeb56e3087abdc6f21735a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6706b97d248f3064bed8aa494b91109a0bd1027cbeb56e3087abdc6f21735a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6706b97d248f3064bed8aa494b91109a0bd1027cbeb56e3087abdc6f21735a8", kill_on_drop: false }`
[INFO] [stdout] f6706b97d248f3064bed8aa494b91109a0bd1027cbeb56e3087abdc6f21735a8
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 06fcc85d2b39bd944826a2870e95d8513a954868908a9d9ca80523bebd1c7f8f
[INFO] running `Command { std: "docker" "start" "-a" "06fcc85d2b39bd944826a2870e95d8513a954868908a9d9ca80523bebd1c7f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling r1 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "06fcc85d2b39bd944826a2870e95d8513a954868908a9d9ca80523bebd1c7f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fcc85d2b39bd944826a2870e95d8513a954868908a9d9ca80523bebd1c7f8f", kill_on_drop: false }`
[INFO] [stdout] 06fcc85d2b39bd944826a2870e95d8513a954868908a9d9ca80523bebd1c7f8f
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] c6c1159256c7001b4f3f51ba26a3a3485556283499a4a5398e9ac036302b190d
[INFO] running `Command { std: "docker" "start" "-a" "c6c1159256c7001b4f3f51ba26a3a3485556283499a4a5398e9ac036302b190d", kill_on_drop: false }`
[INFO] [stderr]    Compiling r1 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "c6c1159256c7001b4f3f51ba26a3a3485556283499a4a5398e9ac036302b190d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c1159256c7001b4f3f51ba26a3a3485556283499a4a5398e9ac036302b190d", kill_on_drop: false }`
[INFO] [stdout] c6c1159256c7001b4f3f51ba26a3a3485556283499a4a5398e9ac036302b190d
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e2ce7b21706db79cbcf430a8b60103d77d09a725f9f8f28a9c712ee2ec3e13e
[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" "1e2ce7b21706db79cbcf430a8b60103d77d09a725f9f8f28a9c712ee2ec3e13e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r1-3ec45308f171aa1c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r1
[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" "1e2ce7b21706db79cbcf430a8b60103d77d09a725f9f8f28a9c712ee2ec3e13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2ce7b21706db79cbcf430a8b60103d77d09a725f9f8f28a9c712ee2ec3e13e", kill_on_drop: false }`
[INFO] [stdout] 1e2ce7b21706db79cbcf430a8b60103d77d09a725f9f8f28a9c712ee2ec3e13e