[INFO] fetching crate serde_bencode 0.2.3...
[INFO] testing serde_bencode-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_bencode 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde_bencode 0.2.3 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 serde_bencode 0.2.3
[INFO] finished tweaking crates.io crate serde_bencode 0.2.3
[INFO] tweaked toml for crates.io crate serde_bencode 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate serde_bencode 0.2.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] cc27aa8f7149a55034d716d78cac28e4fb0db2fc53cbe4ad6f714b6a2569b0f8
[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" "cc27aa8f7149a55034d716d78cac28e4fb0db2fc53cbe4ad6f714b6a2569b0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc27aa8f7149a55034d716d78cac28e4fb0db2fc53cbe4ad6f714b6a2569b0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc27aa8f7149a55034d716d78cac28e4fb0db2fc53cbe4ad6f714b6a2569b0f8", kill_on_drop: false }`
[INFO] [stdout] cc27aa8f7149a55034d716d78cac28e4fb0db2fc53cbe4ad6f714b6a2569b0f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 379363d3439b80d8e11e51ad5d3a8acede6d40e89ee6cfa8b22c07deba5edd7c
[INFO] running `Command { std: "docker" "start" "-a" "379363d3439b80d8e11e51ad5d3a8acede6d40e89ee6cfa8b22c07deba5edd7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "379363d3439b80d8e11e51ad5d3a8acede6d40e89ee6cfa8b22c07deba5edd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379363d3439b80d8e11e51ad5d3a8acede6d40e89ee6cfa8b22c07deba5edd7c", kill_on_drop: false }`
[INFO] [stdout] 379363d3439b80d8e11e51ad5d3a8acede6d40e89ee6cfa8b22c07deba5edd7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 64dbf795dd911440991059361c43abeb8ed5ee2dfed91c1e847a93cea454fd96
[INFO] running `Command { std: "docker" "start" "-a" "64dbf795dd911440991059361c43abeb8ed5ee2dfed91c1e847a93cea454fd96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> tests/tests.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.66s
[INFO] running `Command { std: "docker" "inspect" "64dbf795dd911440991059361c43abeb8ed5ee2dfed91c1e847a93cea454fd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64dbf795dd911440991059361c43abeb8ed5ee2dfed91c1e847a93cea454fd96", kill_on_drop: false }`
[INFO] [stdout] 64dbf795dd911440991059361c43abeb8ed5ee2dfed91c1e847a93cea454fd96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 662feb6c31d1848cb5d94f4a083fe8ef4a3b532204a0d905bdffe6c35d91fd62
[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" "662feb6c31d1848cb5d94f4a083fe8ef4a3b532204a0d905bdffe6c35d91fd62", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> tests/tests.rs:8:24
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 8 | use serde::{Serialize, Deserialize};
[INFO] [stdout] 
[INFO] [stderr]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 36 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test deserialize_to_i64 ... ok
[INFO] [stderr] 
[INFO] [stdout] test deserialize_to_freestyle ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test deserialize_to_value ... ok
[INFO] [stderr] 
[INFO] [stdout] test ser_de_int ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] test readme_value_example ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_bencode-29a1d6bf550e89d2
[INFO] [stdout] test ser_de_map_value_mixed ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-f8f765e36f3d4dc8
[INFO] [stdout] test ser_de_value_map ... ok
[INFO] [stderr]    Doc-tests serde_bencode
[INFO] [stdout] test ser_de_string ... ok
[INFO] [stdout] test serialize_ascii_char ... ok
[INFO] [stdout] test ser_de_variant_unit ... ok
[INFO] [stdout] test deserialize_to_string ... ok
[INFO] [stdout] test deserialize_to_struct ... ok
[INFO] [stdout] test deserialize_to_struct_with_option ... ok
[INFO] [stdout] test ser_de_variant_tuple ... ok
[INFO] [stdout] test multi_digit_string_length ... ok
[INFO] [stdout] test ser_de_value_list_mixed ... ok
[INFO] [stdout] test ser_de_variant_newtype ... ok
[INFO] [stdout] test ser_de_variant_struct ... ok
[INFO] [stdout] test ser_de_value_list_nested ... ok
[INFO] [stdout] test serialize_tuple_struct ... ok
[INFO] [stdout] test serialize_uncode_char ... ok
[INFO] [stdout] test serialize_i64 ... ok
[INFO] [stdout] test trailing_chars ... ignored
[INFO] [stdout] test test_to_bytes ... ok
[INFO] [stdout] test serialize_some ... ok
[INFO] [stdout] test serialize_newtype_struct ... ok
[INFO] [stdout] test serialize_lexical_sorted_keys ... ok
[INFO] [stdout] test serialize_none ... ok
[INFO] [stdout] test serialize_bool ... ok
[INFO] [stdout] test serialize_str ... ok
[INFO] [stdout] test serialize_struct ... ok
[INFO] [stdout] test serialize_tuple ... ok
[INFO] [stdout] test stop_short ... ok
[INFO] [stdout] test struct_none_vals ... ok
[INFO] [stdout] test deserialize_to_value_struct_mix ... ok
[INFO] [stdout] test deserialize_to_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/de.rs - de::from_str (line 282) ... ok
[INFO] [stdout] test src/ser.rs - ser::to_string (line 371) ... ok
[INFO] [stdout] test src/ser.rs - ser::to_bytes (line 334) ... ok
[INFO] [stdout] test src/de.rs - de::from_bytes (line 320) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "662feb6c31d1848cb5d94f4a083fe8ef4a3b532204a0d905bdffe6c35d91fd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662feb6c31d1848cb5d94f4a083fe8ef4a3b532204a0d905bdffe6c35d91fd62", kill_on_drop: false }`
[INFO] [stdout] 662feb6c31d1848cb5d94f4a083fe8ef4a3b532204a0d905bdffe6c35d91fd62