[INFO] fetching crate mrklt 0.1.0...
[INFO] testing mrklt-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mrklt 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mrklt 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mrklt 0.1.0
[INFO] finished tweaking crates.io crate mrklt 0.1.0
[INFO] tweaked toml for crates.io crate mrklt 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 752664a7b2be85ba29bd6e2f1d633548ec2d8ecf21ecf790532b76090f2d3213
[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" "752664a7b2be85ba29bd6e2f1d633548ec2d8ecf21ecf790532b76090f2d3213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752664a7b2be85ba29bd6e2f1d633548ec2d8ecf21ecf790532b76090f2d3213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752664a7b2be85ba29bd6e2f1d633548ec2d8ecf21ecf790532b76090f2d3213", kill_on_drop: false }`
[INFO] [stdout] 752664a7b2be85ba29bd6e2f1d633548ec2d8ecf21ecf790532b76090f2d3213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65331a22eaf02e1bd5fdabb57316a31c97bcacd2450b7ae7ca749f03eb667afa
[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" "65331a22eaf02e1bd5fdabb57316a31c97bcacd2450b7ae7ca749f03eb667afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrklt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "65331a22eaf02e1bd5fdabb57316a31c97bcacd2450b7ae7ca749f03eb667afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65331a22eaf02e1bd5fdabb57316a31c97bcacd2450b7ae7ca749f03eb667afa", kill_on_drop: false }`
[INFO] [stdout] 65331a22eaf02e1bd5fdabb57316a31c97bcacd2450b7ae7ca749f03eb667afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] cb64754253a764a04f4aeefd93c94d95a67b02071ba7cb77a5b025cc13d0afee
[INFO] running `Command { std: "docker" "start" "-a" "cb64754253a764a04f4aeefd93c94d95a67b02071ba7cb77a5b025cc13d0afee", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrklt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "cb64754253a764a04f4aeefd93c94d95a67b02071ba7cb77a5b025cc13d0afee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb64754253a764a04f4aeefd93c94d95a67b02071ba7cb77a5b025cc13d0afee", kill_on_drop: false }`
[INFO] [stdout] cb64754253a764a04f4aeefd93c94d95a67b02071ba7cb77a5b025cc13d0afee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e968bd2339c305e83929cece42603dede08cc32d49e9fb89bf33f187e97351a1
[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" "e968bd2339c305e83929cece42603dede08cc32d49e9fb89bf33f187e97351a1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mrklt-bf0ccc3a1c567696
[INFO] [stdout] test common::test::splitters ... ok
[INFO] [stdout] test test::sum_as_expected ... ok
[INFO] [stdout] test proof_map::test::exercise_happy_path_sum ... ok
[INFO] [stdout] test proof_map::test::exercise_happy_path_ ... ok
[INFO] [stdout] test proof_map::test::exercise_happy_path_cat ... ok
[INFO] [stdout] test proof_map::test::exercise_happy_path_protected ... ok
[INFO] [stderr]    Doc-tests mrklt
[INFO] [stdout] test proof_map::test::exercise_happy_path_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/merge.rs - merge::Merge (line 3) ... ok
[INFO] [stdout] test src/lib.rs - (line 1) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e968bd2339c305e83929cece42603dede08cc32d49e9fb89bf33f187e97351a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e968bd2339c305e83929cece42603dede08cc32d49e9fb89bf33f187e97351a1", kill_on_drop: false }`
[INFO] [stdout] e968bd2339c305e83929cece42603dede08cc32d49e9fb89bf33f187e97351a1