[INFO] cloning repository https://github.com/viperscape/rust-sexp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viperscape/rust-sexp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperscape%2Frust-sexp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperscape%2Frust-sexp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 317ef4ceea600d9abee966eee23ee0550cbee395
[INFO] checking viperscape/rust-sexp against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperscape%2Frust-sexp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/viperscape/rust-sexp
[INFO] finished tweaking git repo https://github.com/viperscape/rust-sexp
[INFO] tweaked toml for git repo https://github.com/viperscape/rust-sexp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/viperscape/rust-sexp on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/viperscape/rust-sexp 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" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `demo`
[INFO] [stderr]   * `example` target `main`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.1.0
[INFO] [stderr]   Downloaded regex v0.1.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aad3d4caed477a8c0b525bf379c766e80044b9cda49f0ded42c8cb390630439
[INFO] running `Command { std: "docker" "start" "-a" "6aad3d4caed477a8c0b525bf379c766e80044b9cda49f0ded42c8cb390630439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aad3d4caed477a8c0b525bf379c766e80044b9cda49f0ded42c8cb390630439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aad3d4caed477a8c0b525bf379c766e80044b9cda49f0ded42c8cb390630439", kill_on_drop: false }`
[INFO] [stdout] 6aad3d4caed477a8c0b525bf379c766e80044b9cda49f0ded42c8cb390630439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798f212a5debd6c7f6cb60b6274200d053f4c4f0cd0a6f685b176ffea17ebdb5
[INFO] running `Command { std: "docker" "start" "-a" "798f212a5debd6c7f6cb60b6274200d053f4c4f0cd0a6f685b176ffea17ebdb5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `demo`
[INFO] [stderr]   * `example` target `main`
[INFO] [stderr]     Checking regex-syntax v0.1.0
[INFO] [stderr]     Checking regex v0.1.32
[INFO] [stderr]     Checking sexp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `convert`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(convert)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `convert`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(convert)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> src/lib.rs:41:57
[INFO] [stdout]    |
[INFO] [stdout] 41 |             if s.is_some() {scope.push(Exp::Sym(String::from_str(s.unwrap())));}
[INFO] [stdout]    |                                                         ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837/library/alloc/src/string.rs:444:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 5  + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 41 -             if s.is_some() {scope.push(Exp::Sym(String::from_str(s.unwrap())));}
[INFO] [stdout] 41 +             if s.is_some() {scope.push(Exp::Sym(String::from(s.unwrap())));}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> src/lib.rs:42:64
[INFO] [stdout]    |
[INFO] [stdout] 42 |             else if qs.is_some() {scope.push(Exp::QSym(String::from_str(qs.unwrap())));}
[INFO] [stdout]    |                                                                ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837/library/alloc/src/string.rs:444:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 5  + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 42 -             else if qs.is_some() {scope.push(Exp::QSym(String::from_str(qs.unwrap())));}
[INFO] [stdout] 42 +             else if qs.is_some() {scope.push(Exp::QSym(String::from(qs.unwrap())));}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> src/lib.rs:41:57
[INFO] [stdout]    |
[INFO] [stdout] 41 |             if s.is_some() {scope.push(Exp::Sym(String::from_str(s.unwrap())));}
[INFO] [stdout]    |                                                         ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837/library/alloc/src/string.rs:444:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 5  + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 41 -             if s.is_some() {scope.push(Exp::Sym(String::from_str(s.unwrap())));}
[INFO] [stdout] 41 +             if s.is_some() {scope.push(Exp::Sym(String::from(s.unwrap())));}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sexp` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> src/lib.rs:42:64
[INFO] [stdout]    |
[INFO] [stdout] 42 |             else if qs.is_some() {scope.push(Exp::QSym(String::from_str(qs.unwrap())));}
[INFO] [stdout]    |                                                                ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837/library/alloc/src/string.rs:444:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 5  + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 42 -             else if qs.is_some() {scope.push(Exp::QSym(String::from_str(qs.unwrap())));}
[INFO] [stdout] 42 +             else if qs.is_some() {scope.push(Exp::QSym(String::from(qs.unwrap())));}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sexp` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "798f212a5debd6c7f6cb60b6274200d053f4c4f0cd0a6f685b176ffea17ebdb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798f212a5debd6c7f6cb60b6274200d053f4c4f0cd0a6f685b176ffea17ebdb5", kill_on_drop: false }`
[INFO] [stdout] 798f212a5debd6c7f6cb60b6274200d053f4c4f0cd0a6f685b176ffea17ebdb5