[INFO] updating cached repository https://github.com/cah6/rust-wasm-file-read
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e58e363ec78551fd5ab35304a3dabed4af299f05
[INFO] testing cah6/rust-wasm-file-read against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcah6%2Frust-wasm-file-read" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cah6/rust-wasm-file-read 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] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking git repo https://github.com/cah6/rust-wasm-file-read
[INFO] finished tweaking git repo https://github.com/cah6/rust-wasm-file-read
[INFO] tweaked toml for git repo https://github.com/cah6/rust-wasm-file-read written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cah6/rust-wasm-file-read 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8f9487b1977ca2b56a5be39f2eeb738d5e5ee4ca95af80afe7f11ec8d2f51a76
[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" "8f9487b1977ca2b56a5be39f2eeb738d5e5ee4ca95af80afe7f11ec8d2f51a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f9487b1977ca2b56a5be39f2eeb738d5e5ee4ca95af80afe7f11ec8d2f51a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9487b1977ca2b56a5be39f2eeb738d5e5ee4ca95af80afe7f11ec8d2f51a76", kill_on_drop: false }`
[INFO] [stdout] 8f9487b1977ca2b56a5be39f2eeb738d5e5ee4ca95af80afe7f11ec8d2f51a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 76bbefc4b6e7f425f55d6ebb7d36d89eb8d0e946a088ac7cf3dfe16f454c1821
[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" "76bbefc4b6e7f425f55d6ebb7d36d89eb8d0e946a088ac7cf3dfe16f454c1821", kill_on_drop: false }`
[INFO] [stderr]    Compiling file-read v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "76bbefc4b6e7f425f55d6ebb7d36d89eb8d0e946a088ac7cf3dfe16f454c1821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bbefc4b6e7f425f55d6ebb7d36d89eb8d0e946a088ac7cf3dfe16f454c1821", kill_on_drop: false }`
[INFO] [stdout] 76bbefc4b6e7f425f55d6ebb7d36d89eb8d0e946a088ac7cf3dfe16f454c1821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ffeecc22cc1e8ecc643e3577b5a6e447be5a63e0354bffb2ff488ba2ad92f56
[INFO] running `Command { std: "docker" "start" "-a" "0ffeecc22cc1e8ecc643e3577b5a6e447be5a63e0354bffb2ff488ba2ad92f56", kill_on_drop: false }`
[INFO] [stderr]    Compiling file-read v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "0ffeecc22cc1e8ecc643e3577b5a6e447be5a63e0354bffb2ff488ba2ad92f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffeecc22cc1e8ecc643e3577b5a6e447be5a63e0354bffb2ff488ba2ad92f56", kill_on_drop: false }`
[INFO] [stdout] 0ffeecc22cc1e8ecc643e3577b5a6e447be5a63e0354bffb2ff488ba2ad92f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5bdf66897a5feb6e73729c9a3db1bfad387ce520a27374884be09d15fea91529
[INFO] running `Command { std: "docker" "start" "-a" "5bdf66897a5feb6e73729c9a3db1bfad387ce520a27374884be09d15fea91529", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_read-650ef76c1a50e727
[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" "5bdf66897a5feb6e73729c9a3db1bfad387ce520a27374884be09d15fea91529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdf66897a5feb6e73729c9a3db1bfad387ce520a27374884be09d15fea91529", kill_on_drop: false }`
[INFO] [stdout] 5bdf66897a5feb6e73729c9a3db1bfad387ce520a27374884be09d15fea91529