[INFO] updating cached repository https://github.com/upsuper/maildir-pack
[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] 70bb7d8b6a182153bc54b43aa83df90c44d97dcb
[INFO] testing upsuper/maildir-pack against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsuper%2Fmaildir-pack" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upsuper/maildir-pack on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/upsuper/maildir-pack
[INFO] finished tweaking git repo https://github.com/upsuper/maildir-pack
[INFO] tweaked toml for git repo https://github.com/upsuper/maildir-pack written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/upsuper/maildir-pack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bc6391037e01cf6693fcb45810d8e31a2da5a7492c39084a7111d189a637fed
[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" "8bc6391037e01cf6693fcb45810d8e31a2da5a7492c39084a7111d189a637fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc6391037e01cf6693fcb45810d8e31a2da5a7492c39084a7111d189a637fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc6391037e01cf6693fcb45810d8e31a2da5a7492c39084a7111d189a637fed", kill_on_drop: false }`
[INFO] [stdout] 8bc6391037e01cf6693fcb45810d8e31a2da5a7492c39084a7111d189a637fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc5df9295568940730c4e592cf7d0836c1026289519185c90ce0f72cddfc43c
[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" "efc5df9295568940730c4e592cf7d0836c1026289519185c90ce0f72cddfc43c", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling combine v4.0.1
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling indicatif v0.14.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling maildir-pack v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "efc5df9295568940730c4e592cf7d0836c1026289519185c90ce0f72cddfc43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc5df9295568940730c4e592cf7d0836c1026289519185c90ce0f72cddfc43c", kill_on_drop: false }`
[INFO] [stdout] efc5df9295568940730c4e592cf7d0836c1026289519185c90ce0f72cddfc43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf60c30dcf45cc04c079fa3fc9a4579d1c183f79fa976bdb6b7d6a8529f66808
[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" "bf60c30dcf45cc04c079fa3fc9a4579d1c183f79fa976bdb6b7d6a8529f66808", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling leak v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling serde_json v1.0.49
[INFO] [stderr]    Compiling assert_cmd v1.0.0
[INFO] [stderr]    Compiling maildir-pack v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> tests/basic.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     static ref KEEP_TEST_DIR: bool = { env::var("KEEP_TEST_DIR").is_ok() };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> tests/basic.rs:33:72
[INFO] [stdout]    |
[INFO] [stdout] 33 |     static ref ALL_EMAILS: HashMap<&'static str, Vec<&'static Path>> = { list_emails().unwrap() };
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> tests/basic.rs:34:66
[INFO] [stdout]    |
[INFO] [stdout] 34 |     static ref EMAIL_HASHS: HashMap<&'static Path, HashResult> = { hash_emails().unwrap() };
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "bf60c30dcf45cc04c079fa3fc9a4579d1c183f79fa976bdb6b7d6a8529f66808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf60c30dcf45cc04c079fa3fc9a4579d1c183f79fa976bdb6b7d6a8529f66808", kill_on_drop: false }`
[INFO] [stdout] bf60c30dcf45cc04c079fa3fc9a4579d1c183f79fa976bdb6b7d6a8529f66808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03e7c5034f95120e0d2c7651fe58d3de19295d99235a602018de99e574369788
[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" "03e7c5034f95120e0d2c7651fe58d3de19295d99235a602018de99e574369788", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> tests/basic.rs:25:38
[INFO] [stderr]    |
[INFO] [stderr] 25 |     static ref KEEP_TEST_DIR: bool = { env::var("KEEP_TEST_DIR").is_ok() };
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> tests/basic.rs:33:72
[INFO] [stderr]    |
[INFO] [stderr] 33 |     static ref ALL_EMAILS: HashMap<&'static str, Vec<&'static Path>> = { list_emails().unwrap() };
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> tests/basic.rs:34:66
[INFO] [stderr]    |
[INFO] [stderr] 34 |     static ref EMAIL_HASHS: HashMap<&'static Path, HashResult> = { hash_emails().unwrap() };
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maildir_pack-fb558ab7cb6ce41c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test datetime::tests::test_not_parsed ... ok
[INFO] [stdout] test classify::tests::test_get_archive_name ... ok
[INFO] [stdout] test datetime::tests::test_parsed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-de8f339346ad405e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test basic_packing ... ok
[INFO] [stdout] test incremental_packing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03e7c5034f95120e0d2c7651fe58d3de19295d99235a602018de99e574369788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e7c5034f95120e0d2c7651fe58d3de19295d99235a602018de99e574369788", kill_on_drop: false }`
[INFO] [stdout] 03e7c5034f95120e0d2c7651fe58d3de19295d99235a602018de99e574369788