[INFO] cloning repository https://github.com/PragmaTwice/ichigo-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PragmaTwice/ichigo-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPragmaTwice%2Fichigo-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPragmaTwice%2Fichigo-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4a0addbef49a9890b9580cab0d90323ba4f849c
[INFO] checking PragmaTwice/ichigo-lang/a4a0addbef49a9890b9580cab0d90323ba4f849c against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPragmaTwice%2Fichigo-lang" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PragmaTwice/ichigo-lang 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 git repo https://github.com/PragmaTwice/ichigo-lang
[INFO] finished tweaking git repo https://github.com/PragmaTwice/ichigo-lang
[INFO] tweaked toml for git repo https://github.com/PragmaTwice/ichigo-lang written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PragmaTwice/ichigo-lang 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v0.4.4
[INFO] [stderr]   Downloaded syn-mid v0.4.0
[INFO] [stderr]   Downloaded structopt v0.3.7
[INFO] [stderr]   Downloaded block-padding v0.1.4
[INFO] [stderr]   Downloaded opaque-debug v0.2.2
[INFO] [stderr]   Downloaded rustversion v1.0.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.0
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded colored v1.9.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.28
[INFO] [stderr]   Downloaded pest_meta v2.1.1
[INFO] [stderr]   Downloaded pest v2.1.2
[INFO] [stderr]   Downloaded digest v0.8.0
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.3
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded libc v0.2.58
[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] 63968a978b09b30e057bd408b774165ed7d6d39cbe13605cb7cadf9bdeed23a8
[INFO] running `Command { std: "docker" "start" "-a" "63968a978b09b30e057bd408b774165ed7d6d39cbe13605cb7cadf9bdeed23a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63968a978b09b30e057bd408b774165ed7d6d39cbe13605cb7cadf9bdeed23a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63968a978b09b30e057bd408b774165ed7d6d39cbe13605cb7cadf9bdeed23a8", kill_on_drop: false }`
[INFO] [stdout] 63968a978b09b30e057bd408b774165ed7d6d39cbe13605cb7cadf9bdeed23a8
[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] 4cd4bfdaa3eaf26aa0b7aa305bb4ea9162ea267c566df1bb20cc768dda927814
[INFO] running `Command { std: "docker" "start" "-a" "4cd4bfdaa3eaf26aa0b7aa305bb4ea9162ea267c566df1bb20cc768dda927814", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking ichigo-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `read_to_string` is ambiguous
[INFO] [stdout]    --> src/cli/cli.rs:205:15
[INFO] [stdout]     |
[INFO] [stdout] 205 |         match read_to_string(filename) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `read_to_string` could refer to the function imported here
[INFO] [stdout]    --> src/cli/cli.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout] 7   | use std::fs::*;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `read_to_string` to disambiguate
[INFO] [stdout] note: `read_to_string` could also refer to the function imported here
[INFO] [stdout]    --> src/cli/cli.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | use std::io::*;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `read_to_string` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `read_to_string` is ambiguous
[INFO] [stdout]    --> src/cli/cli.rs:205:15
[INFO] [stdout]     |
[INFO] [stdout] 205 |         match read_to_string(filename) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `read_to_string` could refer to the function imported here
[INFO] [stdout]    --> src/cli/cli.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout] 7   | use std::fs::*;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `read_to_string` to disambiguate
[INFO] [stdout] note: `read_to_string` could also refer to the function imported here
[INFO] [stdout]    --> src/cli/cli.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | use std::io::*;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `read_to_string` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ichigo-lang` (bin "ichigo-lang") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ichigo-lang` (bin "ichigo-lang" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4cd4bfdaa3eaf26aa0b7aa305bb4ea9162ea267c566df1bb20cc768dda927814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd4bfdaa3eaf26aa0b7aa305bb4ea9162ea267c566df1bb20cc768dda927814", kill_on_drop: false }`
[INFO] [stdout] 4cd4bfdaa3eaf26aa0b7aa305bb4ea9162ea267c566df1bb20cc768dda927814