[INFO] fetching crate expression-closed01 0.2.1...
[INFO] checking expression-closed01-0.2.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate expression-closed01 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate expression-closed01 0.2.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expression-closed01 0.2.1
[INFO] finished tweaking crates.io crate expression-closed01 0.2.1
[INFO] tweaked toml for crates.io crate expression-closed01 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding asexp v0.2.0 (available: v0.3.2)
[INFO] [stderr]       Adding closed01 v0.3.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asexp v0.3.2
[INFO] [stderr]   Downloaded expression v0.3.4
[INFO] [stderr]   Downloaded asexp v0.2.0
[INFO] [stderr]   Downloaded closed01 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf63308dd3b2ab9b05a63710c16f43947819aba15b184c26c1627f25c48be65
[INFO] running `Command { std: "docker" "start" "-a" "edf63308dd3b2ab9b05a63710c16f43947819aba15b184c26c1627f25c48be65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf63308dd3b2ab9b05a63710c16f43947819aba15b184c26c1627f25c48be65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf63308dd3b2ab9b05a63710c16f43947819aba15b184c26c1627f25c48be65", kill_on_drop: false }`
[INFO] [stdout] edf63308dd3b2ab9b05a63710c16f43947819aba15b184c26c1627f25c48be65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc1609fa2948b842d03192dc1e0b49ac8571f271fe4bf6271aecf4c767d1ecae
[INFO] running `Command { std: "docker" "start" "-a" "dc1609fa2948b842d03192dc1e0b49ac8571f271fe4bf6271aecf4c767d1ecae", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking asexp v0.3.2
[INFO] [stderr]     Checking asexp v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] error[E0635]: unknown feature `str_char`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.2.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_char)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.2.0/src/atom.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     match s.slice_shift_char() {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&'a str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.2.0/src/token.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     match s.slice_shift_char() {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ method not found in `&'a str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.2.0/src/token.rs:82:36
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         match rest.slice_shift_char() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.2.0/src/token.rs:97:52
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...                   match rest.slice_shift_char() {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.2.0/src/token.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     match s2.slice_shift_char() {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking expression v0.3.4
[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 `asexp` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dc1609fa2948b842d03192dc1e0b49ac8571f271fe4bf6271aecf4c767d1ecae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1609fa2948b842d03192dc1e0b49ac8571f271fe4bf6271aecf4c767d1ecae", kill_on_drop: false }`
[INFO] [stdout] dc1609fa2948b842d03192dc1e0b49ac8571f271fe4bf6271aecf4c767d1ecae