[INFO] fetching crate pretty-print 0.1.9...
[INFO] building pretty-print-0.1.9 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate pretty-print 0.1.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pretty-print 0.1.9
[INFO] finished tweaking crates.io crate pretty-print 0.1.9
[INFO] tweaked toml for crates.io crate pretty-print 0.1.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pretty-print 0.1.9 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--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
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6701dd4f23fe17db915b023cd6126f40b9b00508f4ec36e44d6e8c9d4c9686b6
[INFO] running `Command { std: "docker" "start" "-a" "6701dd4f23fe17db915b023cd6126f40b9b00508f4ec36e44d6e8c9d4c9686b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6701dd4f23fe17db915b023cd6126f40b9b00508f4ec36e44d6e8c9d4c9686b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6701dd4f23fe17db915b023cd6126f40b9b00508f4ec36e44d6e8c9d4c9686b6", kill_on_drop: false }`
[INFO] [stdout] 6701dd4f23fe17db915b023cd6126f40b9b00508f4ec36e44d6e8c9d4c9686b6
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ee6c8997539c88e5a9297c64e56469130d3018f30c7805e878c18d4d0ae5396
[INFO] running `Command { std: "docker" "start" "-a" "7ee6c8997539c88e5a9297c64e56469130d3018f30c7805e878c18d4d0ae5396", kill_on_drop: false }`
[INFO] [stderr]    Compiling color-ansi v0.1.0
[INFO] [stderr]    Compiling pretty-print v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/render/mod.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn pretty(&self, width: usize) -> PrettyFormatter {
[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] 55 |     pub fn pretty(&self, width: usize) -> PrettyFormatter<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "7ee6c8997539c88e5a9297c64e56469130d3018f30c7805e878c18d4d0ae5396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee6c8997539c88e5a9297c64e56469130d3018f30c7805e878c18d4d0ae5396", kill_on_drop: false }`
[INFO] [stdout] 7ee6c8997539c88e5a9297c64e56469130d3018f30c7805e878c18d4d0ae5396
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e40aeb847c72cb3854e61e7a0bedd71bf90c653d11fcb77687ae451507b5bb9b
[INFO] running `Command { std: "docker" "start" "-a" "e40aeb847c72cb3854e61e7a0bedd71bf90c653d11fcb77687ae451507b5bb9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty-print v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/render/mod.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn pretty(&self, width: usize) -> PrettyFormatter {
[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] 55 |     pub fn pretty(&self, width: usize) -> PrettyFormatter<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SExp` is never used
[INFO] [stdout]  --> tests/readme.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum SExp {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_doc` and `to_pretty` are never used
[INFO] [stdout]   --> tests/readme.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl SExp {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout]  9 |     /// Return a pretty printed format of self.
[INFO] [stdout] 10 |     pub fn to_doc(&self) -> PrettyTree {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn to_pretty(&self, width: usize) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> tests/readme.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/render/mod.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn pretty(&self, width: usize) -> PrettyFormatter {
[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] 55 |     pub fn pretty(&self, width: usize) -> PrettyFormatter<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e40aeb847c72cb3854e61e7a0bedd71bf90c653d11fcb77687ae451507b5bb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40aeb847c72cb3854e61e7a0bedd71bf90c653d11fcb77687ae451507b5bb9b", kill_on_drop: false }`
[INFO] [stdout] e40aeb847c72cb3854e61e7a0bedd71bf90c653d11fcb77687ae451507b5bb9b