[INFO] fetching crate cron_tab 0.1.1...
[INFO] testing cron_tab-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cron_tab 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cron_tab 0.1.1 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 cron_tab 0.1.1
[INFO] finished tweaking crates.io crate cron_tab 0.1.1
[INFO] tweaked toml for crates.io crate cron_tab 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate cron_tab 0.1.1 already has a lockfile, it will not be regenerated
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 06e337c2e222bf072a769cf6a5d533a88d0b4f4b7512da85efb0429fb3faa08b
[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" "06e337c2e222bf072a769cf6a5d533a88d0b4f4b7512da85efb0429fb3faa08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06e337c2e222bf072a769cf6a5d533a88d0b4f4b7512da85efb0429fb3faa08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e337c2e222bf072a769cf6a5d533a88d0b4f4b7512da85efb0429fb3faa08b", kill_on_drop: false }`
[INFO] [stdout] 06e337c2e222bf072a769cf6a5d533a88d0b4f4b7512da85efb0429fb3faa08b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9be81dc0f91e357ab7619de6e63f4df881f87618247a9b2500171c8f9179f400
[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" "9be81dc0f91e357ab7619de6e63f4df881f87618247a9b2500171c8f9179f400", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling cron v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling cron_tab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `Command { std: "docker" "inspect" "9be81dc0f91e357ab7619de6e63f4df881f87618247a9b2500171c8f9179f400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be81dc0f91e357ab7619de6e63f4df881f87618247a9b2500171c8f9179f400", kill_on_drop: false }`
[INFO] [stdout] 9be81dc0f91e357ab7619de6e63f4df881f87618247a9b2500171c8f9179f400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 31c147fa4ba9cf87ee169c8403dca1e81cb9dbd6df67df08032265b32f90504c
[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" "31c147fa4ba9cf87ee169c8403dca1e81cb9dbd6df67df08032265b32f90504c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cron_tab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `local_tz`
[INFO] [stdout]  --> examples/simple.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let local_tz = Local::from_offset(&FixedOffset::east(7));
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_tz`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `anonymous_job_id`
[INFO] [stdout]   --> examples/simple.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let anonymous_job_id = cron
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_anonymous_job_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "31c147fa4ba9cf87ee169c8403dca1e81cb9dbd6df67df08032265b32f90504c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c147fa4ba9cf87ee169c8403dca1e81cb9dbd6df67df08032265b32f90504c", kill_on_drop: false }`
[INFO] [stdout] 31c147fa4ba9cf87ee169c8403dca1e81cb9dbd6df67df08032265b32f90504c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2603273f0ed2d867d5c745288934873fc8774e12282a7f1079d1712171156351
[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" "2603273f0ed2d867d5c745288934873fc8774e12282a7f1079d1712171156351", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `local_tz`
[INFO] [stderr]  --> examples/simple.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let local_tz = Local::from_offset(&FixedOffset::east(7));
[INFO] [stderr]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_tz`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anonymous_job_id`
[INFO] [stderr]   --> examples/simple.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let anonymous_job_id = cron
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_anonymous_job_id`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cron_tab-12eb5739cc719d16
[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] [stderr]    Doc-tests cron_tab
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ignored
[INFO] [stdout] test src/lib.rs - Cron<Z>::add_fn (line 161) ... ignored
[INFO] [stdout] test src/lib.rs - Cron<Z>::new (line 133) ... ignored
[INFO] [stdout] test src/lib.rs - Cron<Z>::remove (line 229) ... ignored
[INFO] [stdout] test src/lib.rs - Cron<Z>::set_timezone (line 203) ... ignored
[INFO] [stdout] test src/lib.rs - Cron<Z>::start (line 263) ... ignored
[INFO] [stdout] test src/lib.rs - Cron<Z>::stop (line 248) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 7 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2603273f0ed2d867d5c745288934873fc8774e12282a7f1079d1712171156351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2603273f0ed2d867d5c745288934873fc8774e12282a7f1079d1712171156351", kill_on_drop: false }`
[INFO] [stdout] 2603273f0ed2d867d5c745288934873fc8774e12282a7f1079d1712171156351