[INFO] fetching crate teapot 0.1.1...
[INFO] checking teapot-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate teapot 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate teapot 0.1.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teapot 0.1.1
[INFO] finished tweaking crates.io crate teapot 0.1.1
[INFO] tweaked toml for crates.io crate teapot 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f0e2bbd7a05c0be371a36cd10b76b80d34bc154b1909d7b5bbf8d819b2ac02d
[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" "1f0e2bbd7a05c0be371a36cd10b76b80d34bc154b1909d7b5bbf8d819b2ac02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0e2bbd7a05c0be371a36cd10b76b80d34bc154b1909d7b5bbf8d819b2ac02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0e2bbd7a05c0be371a36cd10b76b80d34bc154b1909d7b5bbf8d819b2ac02d", kill_on_drop: false }`
[INFO] [stdout] 1f0e2bbd7a05c0be371a36cd10b76b80d34bc154b1909d7b5bbf8d819b2ac02d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bdbaace35c6b789640a0cf1b90ad8bf14cc054b2b365262cbaaf74f349cbfd33
[INFO] running `Command { std: "docker" "start" "-a" "bdbaace35c6b789640a0cf1b90ad8bf14cc054b2b365262cbaaf74f349cbfd33", kill_on_drop: false }`
[INFO] [stderr]     Checking teapot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http/message.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let raw = try!(lines.next().unwrap());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http/message.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(String::from_utf8(raw))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/mime.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::lines::Lines`
[INFO] [stdout]  --> src/http/parse/headers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::lines::Lines;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::headers::RawHeader`
[INFO] [stdout]  --> src/http/parse/headers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::super::headers::RawHeader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/http/parse/headers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawHeader`
[INFO] [stdout]  --> src/http/message.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::headers::{Headers, RawHeader};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/http/message.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     body: &'a Read,
[INFO] [stdout]    |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/http/message.rs:39:76
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new<S: Into<String>>(start_line: S, headers: Headers, body: &'a Read) -> Self {
[INFO] [stdout]    |                                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/http/message.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn parse(buffer: &mut Read) -> Result<Message, ParseError> {
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:340:16
[INFO] [stdout]     |
[INFO] [stdout] 340 |             100...199 => StatusClass::Informational,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:341:16
[INFO] [stdout]     |
[INFO] [stdout] 341 |             200...299 => StatusClass::Success,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:342:16
[INFO] [stdout]     |
[INFO] [stdout] 342 |             300...399 => StatusClass::Redirection,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:343:16
[INFO] [stdout]     |
[INFO] [stdout] 343 |             400...499 => StatusClass::ClientError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:344:16
[INFO] [stdout]     |
[INFO] [stdout] 344 |             500...599 => StatusClass::ServerError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http/message.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let raw = try!(lines.next().unwrap());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http/message.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(String::from_utf8(raw))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/mime.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/mime.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::lines::Lines`
[INFO] [stdout]  --> src/http/parse/headers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::lines::Lines;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::headers::RawHeader`
[INFO] [stdout]  --> src/http/parse/headers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::super::headers::RawHeader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/http/parse/headers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawHeader`
[INFO] [stdout]  --> src/http/message.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::headers::{Headers, RawHeader};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/http/message.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     body: &'a Read,
[INFO] [stdout]    |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/http/message.rs:39:76
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new<S: Into<String>>(start_line: S, headers: Headers, body: &'a Read) -> Self {
[INFO] [stdout]    |                                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/http/message.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn parse(buffer: &mut Read) -> Result<Message, ParseError> {
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:340:16
[INFO] [stdout]     |
[INFO] [stdout] 340 |             100...199 => StatusClass::Informational,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:341:16
[INFO] [stdout]     |
[INFO] [stdout] 341 |             200...299 => StatusClass::Success,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:342:16
[INFO] [stdout]     |
[INFO] [stdout] 342 |             300...399 => StatusClass::Redirection,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:343:16
[INFO] [stdout]     |
[INFO] [stdout] 343 |             400...499 => StatusClass::ClientError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/http/status.rs:344:16
[INFO] [stdout]     |
[INFO] [stdout] 344 |             500...599 => StatusClass::ServerError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `raw`
[INFO] [stdout]   --> src/http/headers.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let raw = raw.into();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_raw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `raw`
[INFO] [stdout]   --> src/http/headers.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let raw = raw.into();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_raw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `headers`
[INFO] [stdout]   --> src/http/message.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     headers: Headers,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/http/message.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     body: &'a Read,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `headers`
[INFO] [stdout]   --> src/http/message.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     headers: Headers,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/http/message.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     body: &'a Read,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "bdbaace35c6b789640a0cf1b90ad8bf14cc054b2b365262cbaaf74f349cbfd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbaace35c6b789640a0cf1b90ad8bf14cc054b2b365262cbaaf74f349cbfd33", kill_on_drop: false }`
[INFO] [stdout] bdbaace35c6b789640a0cf1b90ad8bf14cc054b2b365262cbaaf74f349cbfd33