[INFO] fetching crate plummerprimes 0.2.5...
[INFO] checking plummerprimes-0.2.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate plummerprimes 0.2.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate plummerprimes 0.2.5
[INFO] finished tweaking crates.io crate plummerprimes 0.2.5
[INFO] tweaked toml for crates.io crate plummerprimes 0.2.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate plummerprimes 0.2.5 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 crates.io crate plummerprimes 0.2.5 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] 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] 653a947d897cb4172045c1590c741df8e382bdee52aafbf8d1d239e6743cfc94
[INFO] running `Command { std: "docker" "start" "-a" "653a947d897cb4172045c1590c741df8e382bdee52aafbf8d1d239e6743cfc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "653a947d897cb4172045c1590c741df8e382bdee52aafbf8d1d239e6743cfc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653a947d897cb4172045c1590c741df8e382bdee52aafbf8d1d239e6743cfc94", kill_on_drop: false }`
[INFO] [stdout] 653a947d897cb4172045c1590c741df8e382bdee52aafbf8d1d239e6743cfc94
[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] 417401c9c891e59857c45fe37de2a2170c344beb022a0e1a828eda3acdcfebd0
[INFO] running `Command { std: "docker" "start" "-a" "417401c9c891e59857c45fe37de2a2170c344beb022a0e1a828eda3acdcfebd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking html-escape v0.2.9
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling plummerprimes v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking pin-project v1.0.9
[INFO] [stderr]     Checking pin-project v0.4.29
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking smbios-lib v0.8.0
[INFO] [stderr]     Checking table_output v0.1.0
[INFO] [stderr]     Checking docker-api v0.8.0
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// Output formatter
[INFO] [stdout] 32 | |     #[structopt(short, long, default_value="table")]
[INFO] [stdout] 33 | |     formatter: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     /// Report file base name
[INFO] [stdout] 44 | |     #[structopt(short="b", long="report-base", default_value="report")]
[INFO] [stdout] 45 | |     report_base: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     /// Build and run specified solution name (Does not save to the save file) [example: primerust_solution_1]
[INFO] [stdout] 64 | |     #[structopt(short, long)]
[INFO] [stdout] 65 | |     solution: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plummerprimes` (lib) due to 3 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// Output formatter
[INFO] [stdout] 32 | |     #[structopt(short, long, default_value="table")]
[INFO] [stdout] 33 | |     formatter: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     /// Report file base name
[INFO] [stdout] 44 | |     #[structopt(short="b", long="report-base", default_value="report")]
[INFO] [stdout] 45 | |     report_base: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     /// Build and run specified solution name (Does not save to the save file) [example: primerust_solution_1]
[INFO] [stdout] 64 | |     #[structopt(short, long)]
[INFO] [stdout] 65 | |     solution: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plummerprimes` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "417401c9c891e59857c45fe37de2a2170c344beb022a0e1a828eda3acdcfebd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417401c9c891e59857c45fe37de2a2170c344beb022a0e1a828eda3acdcfebd0", kill_on_drop: false }`
[INFO] [stdout] 417401c9c891e59857c45fe37de2a2170c344beb022a0e1a828eda3acdcfebd0
