[INFO] cloning repository https://github.com/wesleykim2002/rust_package_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wesleykim2002/rust_package_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesleykim2002%2Frust_package_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesleykim2002%2Frust_package_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2043ddc666001722e3f90b9d168d4b594856b72c
[INFO] checking wesleykim2002/rust_package_manager against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesleykim2002%2Frust_package_manager" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wesleykim2002/rust_package_manager
[INFO] finished tweaking git repo https://github.com/wesleykim2002/rust_package_manager
[INFO] tweaked toml for git repo https://github.com/wesleykim2002/rust_package_manager written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wesleykim2002/rust_package_manager on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wesleykim2002/rust_package_manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c10f89bd64fdab8a7da5e850924d1cd741d9361c9c62653f555a254a0832d77c
[INFO] running `Command { std: "docker" "start" "-a" "c10f89bd64fdab8a7da5e850924d1cd741d9361c9c62653f555a254a0832d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10f89bd64fdab8a7da5e850924d1cd741d9361c9c62653f555a254a0832d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10f89bd64fdab8a7da5e850924d1cd741d9361c9c62653f555a254a0832d77c", kill_on_drop: false }`
[INFO] [stdout] c10f89bd64fdab8a7da5e850924d1cd741d9361c9c62653f555a254a0832d77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3684415acbd3317ebfd7a5927645fd740dc79d590d947f535146649eeb3ca306
[INFO] running `Command { std: "docker" "start" "-a" "3684415acbd3317ebfd7a5927645fd740dc79d590d947f535146649eeb3ca306", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking urlencoding v2.1.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking fd-lock v3.0.2
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking rpkg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:29:53
[INFO] [stdout]    |
[INFO] [stdout] 29 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 30 | |         match s {
[INFO] [stdout] 31 | |             "<<" => Ok(VersionRelation::StrictlyLess),
[INFO] [stdout] 32 | |             "<=" => Ok(VersionRelation::LessOrEqual),
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         match s {
[INFO] [stdout] 31 | |             "<<" => Ok(VersionRelation::StrictlyLess),
[INFO] [stdout] 32 | |             "<=" => Ok(VersionRelation::LessOrEqual),
[INFO] [stdout] 33 | |             "=" =>  Ok(VersionRelation::Equal),
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |             _ => panic!("bad version relation {}", s) // gah this should be a ParseError but I don't know how to do that, accepting PRs
[INFO] [stdout] 37 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "<<" => Ok(VersionRelation::StrictlyLess),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "<=" => Ok(VersionRelation::LessOrEqual),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "=" =>  Ok(VersionRelation::Equal),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |             ">=" => Ok(VersionRelation::GreaterOrEqual),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |             ">>" => Ok(VersionRelation::StrictlyGreater),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DebianVersionNum, Infallible>
[INFO] [stdout]   --> src/debversion.rs:60:53
[INFO] [stdout]    |
[INFO] [stdout] 60 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 61 | |         let (ep, rest0) = match s.find(':') {
[INFO] [stdout] 62 | |             None => ("", s),
[INFO] [stdout] 63 | |             Some(e) => { let (_e, _r) = s.split_at(e); (_e, &_r[1..]) }
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |         })
[INFO] [stdout] 74 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DebianVersionNum, Infallible>
[INFO] [stdout]   --> src/debversion.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         Ok(DebianVersionNum {
[INFO] [stdout] 70 | |             epoch : ep.to_string(),
[INFO] [stdout] 71 | |             upstream: up.to_string(),
[INFO] [stdout] 72 | |             debian: deb.to_string()
[INFO] [stdout] 73 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpkg` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:29:53
[INFO] [stdout]    |
[INFO] [stdout] 29 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 30 | |         match s {
[INFO] [stdout] 31 | |             "<<" => Ok(VersionRelation::StrictlyLess),
[INFO] [stdout] 32 | |             "<=" => Ok(VersionRelation::LessOrEqual),
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         match s {
[INFO] [stdout] 31 | |             "<<" => Ok(VersionRelation::StrictlyLess),
[INFO] [stdout] 32 | |             "<=" => Ok(VersionRelation::LessOrEqual),
[INFO] [stdout] 33 | |             "=" =>  Ok(VersionRelation::Equal),
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |             _ => panic!("bad version relation {}", s) // gah this should be a ParseError but I don't know how to do that, accepting PRs
[INFO] [stdout] 37 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "<<" => Ok(VersionRelation::StrictlyLess),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "<=" => Ok(VersionRelation::LessOrEqual),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "=" =>  Ok(VersionRelation::Equal),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |             ">=" => Ok(VersionRelation::GreaterOrEqual),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VersionRelation, Infallible>
[INFO] [stdout]   --> src/debversion.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |             ">>" => Ok(VersionRelation::StrictlyGreater),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DebianVersionNum, Infallible>
[INFO] [stdout]   --> src/debversion.rs:60:53
[INFO] [stdout]    |
[INFO] [stdout] 60 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 61 | |         let (ep, rest0) = match s.find(':') {
[INFO] [stdout] 62 | |             None => ("", s),
[INFO] [stdout] 63 | |             Some(e) => { let (_e, _r) = s.split_at(e); (_e, &_r[1..]) }
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |         })
[INFO] [stdout] 74 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DebianVersionNum, Infallible>
[INFO] [stdout]   --> src/debversion.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         Ok(DebianVersionNum {
[INFO] [stdout] 70 | |             epoch : ep.to_string(),
[INFO] [stdout] 71 | |             upstream: up.to_string(),
[INFO] [stdout] 72 | |             debian: deb.to_string()
[INFO] [stdout] 73 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpkg` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "3684415acbd3317ebfd7a5927645fd740dc79d590d947f535146649eeb3ca306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3684415acbd3317ebfd7a5927645fd740dc79d590d947f535146649eeb3ca306", kill_on_drop: false }`
[INFO] [stdout] 3684415acbd3317ebfd7a5927645fd740dc79d590d947f535146649eeb3ca306
