[INFO] cloning repository https://github.com/pandaman64/pratt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pandaman64/pratt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fpratt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fpratt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39f66ebe97036b6f22494b72216cb6d326b6e89c
[INFO] checking pandaman64/pratt against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fpratt" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pandaman64/pratt on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pandaman64/pratt
[INFO] finished tweaking git repo https://github.com/pandaman64/pratt
[INFO] tweaked toml for git repo https://github.com/pandaman64/pratt written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pandaman64/pratt 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.9
[INFO] [stderr]   Downloaded sharded-slab v0.0.9
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec658d556311f8f4a49ce155971a780a057620b803ab2047f17b675622409b25
[INFO] running `Command { std: "docker" "start" "-a" "ec658d556311f8f4a49ce155971a780a057620b803ab2047f17b675622409b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec658d556311f8f4a49ce155971a780a057620b803ab2047f17b675622409b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec658d556311f8f4a49ce155971a780a057620b803ab2047f17b675622409b25", kill_on_drop: false }`
[INFO] [stdout] ec658d556311f8f4a49ce155971a780a057620b803ab2047f17b675622409b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27829c74f0aad42bf7724ebce6f8ee605efb2884b4bc95b7b9a439cea513f027
[INFO] running `Command { std: "docker" "start" "-a" "27829c74f0aad42bf7724ebce6f8ee605efb2884b4bc95b7b9a439cea513f027", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking pin-project-lite v0.1.9
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-subscriber v0.2.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pratt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `position` and `message` are never read
[INFO] [stdout]    --> src/lib.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub struct ParseError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 282 |     position: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 283 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `message` are never read
[INFO] [stdout]    --> src/lib.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub struct ParseError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 282 |     position: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 283 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.03s
[INFO] running `Command { std: "docker" "inspect" "27829c74f0aad42bf7724ebce6f8ee605efb2884b4bc95b7b9a439cea513f027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27829c74f0aad42bf7724ebce6f8ee605efb2884b4bc95b7b9a439cea513f027", kill_on_drop: false }`
[INFO] [stdout] 27829c74f0aad42bf7724ebce6f8ee605efb2884b4bc95b7b9a439cea513f027
[INFO] checking pandaman64/pratt against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fpratt" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pandaman64/pratt on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pandaman64/pratt
[INFO] finished tweaking git repo https://github.com/pandaman64/pratt
[INFO] tweaked toml for git repo https://github.com/pandaman64/pratt written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pandaman64/pratt 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555b65bd4b02564ceb735348bf71f4489c9720c7d02460e76badf8cc80e85ac6
[INFO] running `Command { std: "docker" "start" "-a" "555b65bd4b02564ceb735348bf71f4489c9720c7d02460e76badf8cc80e85ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555b65bd4b02564ceb735348bf71f4489c9720c7d02460e76badf8cc80e85ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555b65bd4b02564ceb735348bf71f4489c9720c7d02460e76badf8cc80e85ac6", kill_on_drop: false }`
[INFO] [stdout] 555b65bd4b02564ceb735348bf71f4489c9720c7d02460e76badf8cc80e85ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf6d6a41d22b669e0218f6ebd1e9d391f4107ae2b808d53cddf11917da8c24f
[INFO] running `Command { std: "docker" "start" "-a" "aaf6d6a41d22b669e0218f6ebd1e9d391f4107ae2b808d53cddf11917da8c24f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking pin-project-lite v0.1.9
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-subscriber v0.2.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pratt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `position` and `message` are never read
[INFO] [stdout]    --> src/lib.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub struct ParseError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 282 |     position: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 283 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `message` are never read
[INFO] [stdout]    --> src/lib.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub struct ParseError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 282 |     position: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 283 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "aaf6d6a41d22b669e0218f6ebd1e9d391f4107ae2b808d53cddf11917da8c24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf6d6a41d22b669e0218f6ebd1e9d391f4107ae2b808d53cddf11917da8c24f", kill_on_drop: false }`
[INFO] [stdout] aaf6d6a41d22b669e0218f6ebd1e9d391f4107ae2b808d53cddf11917da8c24f