[INFO] fetching crate e_num 0.1.0...
[INFO] testing e_num-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate e_num 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate e_num 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 e_num 0.1.0
[INFO] finished tweaking crates.io crate e_num 0.1.0
[INFO] tweaked toml for crates.io crate e_num 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "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] 6766f5d1bc2c11bbc7a74889f992ea5ec2558d9cb057057280e586040e596bb0
[INFO] running `Command { std: "docker" "start" "-a" "6766f5d1bc2c11bbc7a74889f992ea5ec2558d9cb057057280e586040e596bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6766f5d1bc2c11bbc7a74889f992ea5ec2558d9cb057057280e586040e596bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6766f5d1bc2c11bbc7a74889f992ea5ec2558d9cb057057280e586040e596bb0", kill_on_drop: false }`
[INFO] [stdout] 6766f5d1bc2c11bbc7a74889f992ea5ec2558d9cb057057280e586040e596bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7edcf03cab380a0f00fcb08620404c64714906ca73fc16bb6349ea10b18b37b8
[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" "7edcf03cab380a0f00fcb08620404c64714906ca73fc16bb6349ea10b18b37b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling e_num_derive v0.1.0
[INFO] [stderr]    Compiling e_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.01s
[INFO] running `Command { std: "docker" "inspect" "7edcf03cab380a0f00fcb08620404c64714906ca73fc16bb6349ea10b18b37b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edcf03cab380a0f00fcb08620404c64714906ca73fc16bb6349ea10b18b37b8", kill_on_drop: false }`
[INFO] [stdout] 7edcf03cab380a0f00fcb08620404c64714906ca73fc16bb6349ea10b18b37b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+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] 7f612699aabddc20e9f4b693c4906150549642ba994ea0c200198ae6be247558
[INFO] running `Command { std: "docker" "start" "-a" "7f612699aabddc20e9f4b693c4906150549642ba994ea0c200198ae6be247558", kill_on_drop: false }`
[INFO] [stderr]    Compiling e_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "7f612699aabddc20e9f4b693c4906150549642ba994ea0c200198ae6be247558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f612699aabddc20e9f4b693c4906150549642ba994ea0c200198ae6be247558", kill_on_drop: false }`
[INFO] [stdout] 7f612699aabddc20e9f4b693c4906150549642ba994ea0c200198ae6be247558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 221bd69dd6fbea9ac45afd3a4c4b66652f3caaaf4ef84b526feee7c0dd44f8c3
[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" "221bd69dd6fbea9ac45afd3a4c4b66652f3caaaf4ef84b526feee7c0dd44f8c3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/e_num-2873e4b9f37f54f5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::constant_variant ... ok
[INFO] [stdout] test tests::value_from_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests e_num
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - ENum::try_from_num (line 165) ... ok
[INFO] [stdout] test src/lib.rs - ENum::from_num (line 134) ... ok
[INFO] [stdout] test src/lib.rs - ENum::to_num (line 187) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "221bd69dd6fbea9ac45afd3a4c4b66652f3caaaf4ef84b526feee7c0dd44f8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221bd69dd6fbea9ac45afd3a4c4b66652f3caaaf4ef84b526feee7c0dd44f8c3", kill_on_drop: false }`
[INFO] [stdout] 221bd69dd6fbea9ac45afd3a4c4b66652f3caaaf4ef84b526feee7c0dd44f8c3