[INFO] fetching crate ascesis 0.0.6...
[INFO] checking ascesis-0.0.6 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-20
[INFO] extracting crate ascesis 0.0.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ascesis 0.0.6
[INFO] finished tweaking crates.io crate ascesis 0.0.6
[INFO] tweaked toml for crates.io crate ascesis 0.0.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ascesis 0.0.6 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ascesis 0.0.6 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12fd8710cb3e330cc4ce0beccfe22ea12b442e60eb0f5c25ccaa270407dcfd50
[INFO] running `Command { std: "docker" "start" "-a" "12fd8710cb3e330cc4ce0beccfe22ea12b442e60eb0f5c25ccaa270407dcfd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12fd8710cb3e330cc4ce0beccfe22ea12b442e60eb0f5c25ccaa270407dcfd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fd8710cb3e330cc4ce0beccfe22ea12b442e60eb0f5c25ccaa270407dcfd50", kill_on_drop: false }`
[INFO] [stdout] 12fd8710cb3e330cc4ce0beccfe22ea12b442e60eb0f5c25ccaa270407dcfd50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1473f3e3f3d46440a599410b8692fefa0b893136bbe5d244d1b4e4a5fd1c45a
[INFO] running `Command { std: "docker" "start" "-a" "d1473f3e3f3d46440a599410b8692fefa0b893136bbe5d244d1b4e4a5fd1c45a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
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[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking varisat-formula v0.2.1
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]    Compiling partial_ref_derive v0.3.1
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[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking enquote v1.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking partial_ref v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling logos-derive v0.11.0-rc5
[INFO] [stderr]     Checking failure v0.1.7
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[INFO] [stderr]    Compiling varisat v0.2.1
[INFO] [stderr]     Checking varisat-checker v0.2.1
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[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]     Checking aces v0.0.13
[INFO] [stderr]    Compiling ascesis v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_through` is never read
[INFO] [stdout]    --> src/sentence.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct RootedGenerator<'b, 'g: 'b> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 146 |     min_through: HashMap<SymbolID, Option<usize>>, // nonterminal -> shortest length
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RootedGenerator` 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: field `path` is never read
[INFO] [stdout]   --> src/content.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct AscesisFormat {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 10 |     path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<String>> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<'_, String>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<Production> {
[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] 220 |     pub fn iter(&self) -> std::slice::Iter<'_, Production> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sentence.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator, String> {
[INFO] [stdout]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |                          |
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[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] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator<'_>, String> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_through` is never read
[INFO] [stdout]    --> src/sentence.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct RootedGenerator<'b, 'g: 'b> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 146 |     min_through: HashMap<SymbolID, Option<usize>>, // nonterminal -> shortest length
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RootedGenerator` 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: field `path` is never read
[INFO] [stdout]   --> src/content.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct AscesisFormat {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 10 |     path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<String>> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<'_, String>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<Production> {
[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] 220 |     pub fn iter(&self) -> std::slice::Iter<'_, Production> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sentence.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator, String> {
[INFO] [stdout]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |                          |
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[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] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator<'_>, String> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d1473f3e3f3d46440a599410b8692fefa0b893136bbe5d244d1b4e4a5fd1c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1473f3e3f3d46440a599410b8692fefa0b893136bbe5d244d1b4e4a5fd1c45a", kill_on_drop: false }`
[INFO] [stdout] d1473f3e3f3d46440a599410b8692fefa0b893136bbe5d244d1b4e4a5fd1c45a
