[INFO] fetching crate mph 0.1.8...
[INFO] checking mph-0.1.8 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate mph 0.1.8 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mph 0.1.8
[INFO] finished tweaking crates.io crate mph 0.1.8
[INFO] tweaked toml for crates.io crate mph 0.1.8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mph 0.1.8 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mph 0.1.8 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2577a1fd055b9f586d7b37bfbe40e10970e10535bbd7e4974ca1ae45fd910495
[INFO] running `Command { std: "docker" "start" "-a" "2577a1fd055b9f586d7b37bfbe40e10970e10535bbd7e4974ca1ae45fd910495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2577a1fd055b9f586d7b37bfbe40e10970e10535bbd7e4974ca1ae45fd910495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2577a1fd055b9f586d7b37bfbe40e10970e10535bbd7e4974ca1ae45fd910495", kill_on_drop: false }`
[INFO] [stdout] 2577a1fd055b9f586d7b37bfbe40e10970e10535bbd7e4974ca1ae45fd910495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b5fe5454714be5b05cf4929f4e2eb35df4f39a50b1e7243251a41a41222804c
[INFO] running `Command { std: "docker" "start" "-a" "4b5fe5454714be5b05cf4929f4e2eb35df4f39a50b1e7243251a41a41222804c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking mph v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `char`, `escaped`, `flat_map`, and `map`
[INFO] [stdout]  --> src/elisp.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     bytes::complete::{escaped, tag},
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 7 |     character::complete::{alphanumeric1, char, digit0, digit1, multispace0, one_of},
[INFO] [stdout]   |                                          ^^^^
[INFO] [stdout] 8 |     combinator::{flat_map, map, map_res, opt},
[INFO] [stdout]   |                  ^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char`, `escaped`, `flat_map`, and `map`
[INFO] [stdout]  --> src/elisp.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     bytes::complete::{escaped, tag},
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 7 |     character::complete::{alphanumeric1, char, digit0, digit1, multispace0, one_of},
[INFO] [stdout]   |                                          ^^^^
[INFO] [stdout] 8 |     combinator::{flat_map, map, map_res, opt},
[INFO] [stdout]   |                  ^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/elisp.rs:164:11
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn string(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/elisp.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn symbol(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/elisp.rs:164:11
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn string(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/elisp.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn symbol(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]   --> src/daemon.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) struct Daemon {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] 59 |     client: Client,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Daemon` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ok`, `wait_until_ok`, and `wait_while_ok` are never used
[INFO] [stdout]   --> src/daemon.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Daemon {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn ok(&self) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn wait_until_ok(&self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn wait_while_ok(&self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Exp` is never used
[INFO] [stdout]   --> src/elisp.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Exp {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nil` is never used
[INFO] [stdout]   --> src/elisp.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn nil(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cons` is never used
[INFO] [stdout]   --> src/elisp.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn cons(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_10` is never used
[INFO] [stdout]   --> src/elisp.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn integer_10(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `radix` is never used
[INFO] [stdout]   --> src/elisp.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn radix(input: &str) -> IResult<&str, u32> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_radix` is never used
[INFO] [stdout]    --> src/elisp.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn integer_radix(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer` is never used
[INFO] [stdout]    --> src/elisp.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn integer(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `float` is never used
[INFO] [stdout]    --> src/elisp.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn float(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]    --> src/elisp.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn string(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol` is never used
[INFO] [stdout]    --> src/elisp.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn symbol(input: &str) -> IResult<&str, Exp> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]   --> src/daemon.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) struct Daemon {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] 59 |     client: Client,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Daemon` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ok`, `wait_until_ok`, and `wait_while_ok` are never used
[INFO] [stdout]   --> src/daemon.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Daemon {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn ok(&self) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn wait_until_ok(&self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn wait_while_ok(&self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/elisp.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Float(f64),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Float(f64),
[INFO] [stdout] 17 +     Float(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/elisp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Exp {
[INFO] [stdout]    |                 --- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Str(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Symbol(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     Cons(Vec<Exp>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     Unreadable(Option<String>, Option<String>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Vector(Vec<Exp>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     HashTable(HashMap<Exp, Exp>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     Subr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 39 |     ByteCodeFunction,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 40 |     Record,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 41 |     Buffer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 42 |     Marker,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     Window,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 44 |     Frame,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     Process,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     Thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 47 |     Mutex,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 48 |     ConditionVariable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     Stream,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 50 |     KeyMap,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 51 |     Overlay,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 52 |     Font,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.95s
[INFO] running `Command { std: "docker" "inspect" "4b5fe5454714be5b05cf4929f4e2eb35df4f39a50b1e7243251a41a41222804c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5fe5454714be5b05cf4929f4e2eb35df4f39a50b1e7243251a41a41222804c", kill_on_drop: false }`
[INFO] [stdout] 4b5fe5454714be5b05cf4929f4e2eb35df4f39a50b1e7243251a41a41222804c