[INFO] cloning repository https://github.com/benjcollins/scripting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjcollins/scripting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fscripting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fscripting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d80af3bae1f7d578040342c890f06adf654ad8c
[INFO] checking benjcollins/scripting against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fscripting" "/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/benjcollins/scripting
[INFO] finished tweaking git repo https://github.com/benjcollins/scripting
[INFO] tweaked toml for git repo https://github.com/benjcollins/scripting written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benjcollins/scripting on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benjcollins/scripting 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1fa119f164dcdb21bc38f021de6825682eb7a54468f022ac9074285b644584d
[INFO] running `Command { std: "docker" "start" "-a" "e1fa119f164dcdb21bc38f021de6825682eb7a54468f022ac9074285b644584d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1fa119f164dcdb21bc38f021de6825682eb7a54468f022ac9074285b644584d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1fa119f164dcdb21bc38f021de6825682eb7a54468f022ac9074285b644584d", kill_on_drop: false }`
[INFO] [stdout] e1fa119f164dcdb21bc38f021de6825682eb7a54468f022ac9074285b644584d
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77153cd36e1cc59cd31ff8e17e75a1019be517f3157850b74b45f7f666b46e5
[INFO] running `Command { std: "docker" "start" "-a" "e77153cd36e1cc59cd31ff8e17e75a1019be517f3157850b74b45f7f666b46e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking scripting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]    --> src/func.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | struct Reader<'bytecode> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_bytes` is never used
[INFO] [stdout]    --> src/func.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'bytecode> Reader<'bytecode> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 175 |     fn take_bytes(&mut self, n: usize) -> &'bytecode [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DispFunc` is never constructed
[INFO] [stdout]    --> src/func.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct DispFunc<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/func.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 188 | impl<'a> DispFunc<'a> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 189 |     pub fn new(func: &'a Func, symbols: &'a Symbols) -> DispFunc<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/lexer.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer {
[INFO] [stdout]   |                         ----         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'src`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer<'src> {
[INFO] [stdout]   |                                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/heap.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/heap.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<T> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<'_, T> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]    --> src/func.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | struct Reader<'bytecode> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_bytes` is never used
[INFO] [stdout]    --> src/func.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'bytecode> Reader<'bytecode> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 175 |     fn take_bytes(&mut self, n: usize) -> &'bytecode [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DispFunc` is never constructed
[INFO] [stdout]    --> src/func.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct DispFunc<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/func.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 188 | impl<'a> DispFunc<'a> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 189 |     pub fn new(func: &'a Func, symbols: &'a Symbols) -> DispFunc<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/lexer.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer {
[INFO] [stdout]   |                         ----         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'src`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer<'src> {
[INFO] [stdout]   |                                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/heap.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/heap.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<T> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<'_, T> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "e77153cd36e1cc59cd31ff8e17e75a1019be517f3157850b74b45f7f666b46e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77153cd36e1cc59cd31ff8e17e75a1019be517f3157850b74b45f7f666b46e5", kill_on_drop: false }`
[INFO] [stdout] e77153cd36e1cc59cd31ff8e17e75a1019be517f3157850b74b45f7f666b46e5
