[INFO] fetching crate character-snippets 1.0.1...
[INFO] testing character-snippets-1.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate character-snippets 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate character-snippets 1.0.1 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 character-snippets 1.0.1
[INFO] finished tweaking crates.io crate character-snippets 1.0.1
[INFO] tweaked toml for crates.io crate character-snippets 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate character-snippets 1.0.1 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 blake3 v0.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded serde_derive v1.0.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bcc9cf58639bda3a85c83906f326bde643243900155be64a0ee09a8fd78b47f5
[INFO] running `Command { std: "docker" "start" "-a" "bcc9cf58639bda3a85c83906f326bde643243900155be64a0ee09a8fd78b47f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc9cf58639bda3a85c83906f326bde643243900155be64a0ee09a8fd78b47f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc9cf58639bda3a85c83906f326bde643243900155be64a0ee09a8fd78b47f5", kill_on_drop: false }`
[INFO] [stdout] bcc9cf58639bda3a85c83906f326bde643243900155be64a0ee09a8fd78b47f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 3c2dfd1f6d2d62aeb17b2154e7f7277a6ad9dd6c40dc08cc4af6b8ad45ad8e5b
[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" "3c2dfd1f6d2d62aeb17b2154e7f7277a6ad9dd6c40dc08cc4af6b8ad45ad8e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling character-snippets v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "3c2dfd1f6d2d62aeb17b2154e7f7277a6ad9dd6c40dc08cc4af6b8ad45ad8e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2dfd1f6d2d62aeb17b2154e7f7277a6ad9dd6c40dc08cc4af6b8ad45ad8e5b", kill_on_drop: false }`
[INFO] [stdout] 3c2dfd1f6d2d62aeb17b2154e7f7277a6ad9dd6c40dc08cc4af6b8ad45ad8e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 128c693e021ddb63dcfd53f90cd8833d340d1bae3b875e73608ae61c959bd4dd
[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" "128c693e021ddb63dcfd53f90cd8833d340d1bae3b875e73608ae61c959bd4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling blake3 v0.3.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling character-snippets v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "128c693e021ddb63dcfd53f90cd8833d340d1bae3b875e73608ae61c959bd4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128c693e021ddb63dcfd53f90cd8833d340d1bae3b875e73608ae61c959bd4dd", kill_on_drop: false }`
[INFO] [stdout] 128c693e021ddb63dcfd53f90cd8833d340d1bae3b875e73608ae61c959bd4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 12c482b1f31abe445ce5f05ffd2f1379fc37f405eba0226d7dc05dbf6d58fc46
[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" "12c482b1f31abe445ce5f05ffd2f1379fc37f405eba0226d7dc05dbf6d58fc46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/character_snippets-3d5fc4f59d30993c
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::builtin_toml_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12c482b1f31abe445ce5f05ffd2f1379fc37f405eba0226d7dc05dbf6d58fc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c482b1f31abe445ce5f05ffd2f1379fc37f405eba0226d7dc05dbf6d58fc46", kill_on_drop: false }`
[INFO] [stdout] 12c482b1f31abe445ce5f05ffd2f1379fc37f405eba0226d7dc05dbf6d58fc46