[INFO] fetching crate ftc_http 2.2.0...
[INFO] checking ftc_http-2.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ftc_http 2.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ftc_http 2.2.0
[INFO] finished tweaking crates.io crate ftc_http 2.2.0
[INFO] tweaked toml for crates.io crate ftc_http 2.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ftc_http 2.2.0 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 ftc_http 2.2.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 40f6e19041bb3bb336b5f48da77c17a6e09526b51f8e519d820c9c03e7f4d816
[INFO] running `Command { std: "docker" "start" "-a" "40f6e19041bb3bb336b5f48da77c17a6e09526b51f8e519d820c9c03e7f4d816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f6e19041bb3bb336b5f48da77c17a6e09526b51f8e519d820c9c03e7f4d816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f6e19041bb3bb336b5f48da77c17a6e09526b51f8e519d820c9c03e7f4d816", kill_on_drop: false }`
[INFO] [stdout] 40f6e19041bb3bb336b5f48da77c17a6e09526b51f8e519d820c9c03e7f4d816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d203899db59155bb5dd2afa6bcfda813a5812f8f6c21de010750fd2dfab8ebe5
[INFO] running `Command { std: "docker" "start" "-a" "d203899db59155bb5dd2afa6bcfda813a5812f8f6c21de010750fd2dfab8ebe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.17
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[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking psl-types v2.0.7
[INFO] [stderr]     Checking mio v0.7.14
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]    Compiling structopt-derive v0.4.18
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[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking cookie_store v0.15.0
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking hyper-rustls v0.22.1
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[INFO] [stderr]     Checking ftc_http v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `e` is not used by name
[INFO] [stdout]   --> src/robot/util.rs:67:44
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   eprintln!($fmt, $($arg, )* e = err);
[INFO] [stdout]    |                                              ^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         catch!(
[INFO] [stdout] 90 | |             confy::store("ftc_http", AppConfig::default()),
[INFO] [stdout] 91 | |             1,
[INFO] [stdout] 92 | |             "Failed {} to save configuration to file. \n\n{e}"
[INFO] [stdout]    | |                     -- this formatting argument uses named argument `e` by position
[INFO] [stdout] 93 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `catch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]   --> src/main.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |             "Failed {e} to save configuration to file. \n\n{e}"
[INFO] [stdout]    |                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `e` is not used by name
[INFO] [stdout]    --> src/robot/util.rs:67:44
[INFO] [stdout]     |
[INFO] [stdout]  67 |                   eprintln!($fmt, $($arg, )* e = err);
[INFO] [stdout]     |                                              ^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | /         catch!(
[INFO] [stdout] 122 | |             confy::store("ftc_http", conf),
[INFO] [stdout] 123 | |             1,
[INFO] [stdout] 124 | |             "Failed {} to save configuration to file. \n\n{e}"
[INFO] [stdout]     | |                     -- this formatting argument uses named argument `e` by position
[INFO] [stdout] 125 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `catch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    --> src/main.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 |             "Failed {e} to save configuration to file. \n\n{e}"
[INFO] [stdout]     |                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `e` is not used by name
[INFO] [stdout]   --> src/robot/util.rs:67:44
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   eprintln!($fmt, $($arg, )* e = err);
[INFO] [stdout]    |                                              ^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         catch!(
[INFO] [stdout] 90 | |             confy::store("ftc_http", AppConfig::default()),
[INFO] [stdout] 91 | |             1,
[INFO] [stdout] 92 | |             "Failed {} to save configuration to file. \n\n{e}"
[INFO] [stdout]    | |                     -- this formatting argument uses named argument `e` by position
[INFO] [stdout] 93 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `catch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]   --> src/main.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |             "Failed {e} to save configuration to file. \n\n{e}"
[INFO] [stdout]    |                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `e` is not used by name
[INFO] [stdout]    --> src/robot/util.rs:67:44
[INFO] [stdout]     |
[INFO] [stdout]  67 |                   eprintln!($fmt, $($arg, )* e = err);
[INFO] [stdout]     |                                              ^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | /         catch!(
[INFO] [stdout] 122 | |             confy::store("ftc_http", conf),
[INFO] [stdout] 123 | |             1,
[INFO] [stdout] 124 | |             "Failed {} to save configuration to file. \n\n{e}"
[INFO] [stdout]     | |                     -- this formatting argument uses named argument `e` by position
[INFO] [stdout] 125 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `catch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    --> src/main.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 |             "Failed {e} to save configuration to file. \n\n{e}"
[INFO] [stdout]     |                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// A list of directories used by the download and upload options.
[INFO] [stdout] 56 | |     ///
[INFO] [stdout] 57 | |     /// Between 0 and 2 directories can be specified. When -d and -u are used
[INFO] [stdout] 58 | |     /// together, the first directory is where files are downloaded and the
[INFO] [stdout] 59 | |     /// second is where they are uploaded from.
[INFO] [stdout] 60 | |     #[structopt(name = "DIRS")]
[INFO] [stdout] 61 | |     directories: Vec<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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     /// Manually specify the address of the robot controller.
[INFO] [stdout] 63 | |     ///
[INFO] [stdout] 64 | |     /// Addresses are given in the form: "http://<IP>:<PORT>"
[INFO] [stdout] 65 | |     #[structopt(long, name = "ADDR")]
[INFO] [stdout] 66 | |     host: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ftc_http` (bin "ftc_http" test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// A list of directories used by the download and upload options.
[INFO] [stdout] 56 | |     ///
[INFO] [stdout] 57 | |     /// Between 0 and 2 directories can be specified. When -d and -u are used
[INFO] [stdout] 58 | |     /// together, the first directory is where files are downloaded and the
[INFO] [stdout] 59 | |     /// second is where they are uploaded from.
[INFO] [stdout] 60 | |     #[structopt(name = "DIRS")]
[INFO] [stdout] 61 | |     directories: Vec<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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     /// Manually specify the address of the robot controller.
[INFO] [stdout] 63 | |     ///
[INFO] [stdout] 64 | |     /// Addresses are given in the form: "http://<IP>:<PORT>"
[INFO] [stdout] 65 | |     #[structopt(long, name = "ADDR")]
[INFO] [stdout] 66 | |     host: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ftc_http` (bin "ftc_http") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d203899db59155bb5dd2afa6bcfda813a5812f8f6c21de010750fd2dfab8ebe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d203899db59155bb5dd2afa6bcfda813a5812f8f6c21de010750fd2dfab8ebe5", kill_on_drop: false }`
[INFO] [stdout] d203899db59155bb5dd2afa6bcfda813a5812f8f6c21de010750fd2dfab8ebe5
