[INFO] cloning repository https://github.com/bynect/rewriter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bynect/rewriter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbynect%2Frewriter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbynect%2Frewriter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 612f6802a095f41121df1c4642ec632e96b97de7 [INFO] checking bynect/rewriter against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbynect%2Frewriter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bynect/rewriter 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/bynect/rewriter [INFO] finished tweaking git repo https://github.com/bynect/rewriter [INFO] tweaked toml for git repo https://github.com/bynect/rewriter written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bynect/rewriter 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded immutable-map v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e98b875ea897a948096be68290a3e1647459f0e403a3478268e8e53979e1cd4c [INFO] running `Command { std: "docker" "start" "-a" "e98b875ea897a948096be68290a3e1647459f0e403a3478268e8e53979e1cd4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e98b875ea897a948096be68290a3e1647459f0e403a3478268e8e53979e1cd4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e98b875ea897a948096be68290a3e1647459f0e403a3478268e8e53979e1cd4c", kill_on_drop: false }` [INFO] [stdout] e98b875ea897a948096be68290a3e1647459f0e403a3478268e8e53979e1cd4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 01f66af742d4c9f5804218b8b0b2374136497401b861406a6f77eeb7e4c1c195 [INFO] running `Command { std: "docker" "start" "-a" "01f66af742d4c9f5804218b8b0b2374136497401b861406a6f77eeb7e4c1c195", kill_on_drop: false }` [INFO] [stderr] Checking immutable-map v0.1.2 [INFO] [stderr] Checking rewriter v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `app`, `lam`, `let_`, `var`, and `freevar` are never used [INFO] [stdout] --> src/expr.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Expr { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 16 | pub fn app(e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn lam(x: &str, e: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn let_(x: &str, e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn var(x: &str) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn freevar(&self, x: &str) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split` is never used [INFO] [stdout] --> src/split.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn split<'a>(s: &'a str, p: fn(u8) -> bool) -> Split<'a> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `app`, `lam`, `let_`, `var`, and `freevar` are never used [INFO] [stdout] --> src/expr.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Expr { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 16 | pub fn app(e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn lam(x: &str, e: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn let_(x: &str, e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn var(x: &str) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn freevar(&self, x: &str) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split` is never used [INFO] [stdout] --> src/split.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn split<'a>(s: &'a str, p: fn(u8) -> bool) -> Split<'a> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "01f66af742d4c9f5804218b8b0b2374136497401b861406a6f77eeb7e4c1c195", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01f66af742d4c9f5804218b8b0b2374136497401b861406a6f77eeb7e4c1c195", kill_on_drop: false }` [INFO] [stdout] 01f66af742d4c9f5804218b8b0b2374136497401b861406a6f77eeb7e4c1c195 [INFO] checking bynect/rewriter against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbynect%2Frewriter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bynect/rewriter 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/bynect/rewriter [INFO] finished tweaking git repo https://github.com/bynect/rewriter [INFO] tweaked toml for git repo https://github.com/bynect/rewriter written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bynect/rewriter 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e90b0ba9007a424159f3d00b60ae5e334eec35f03776d72d60dc0ec197ae8d64 [INFO] running `Command { std: "docker" "start" "-a" "e90b0ba9007a424159f3d00b60ae5e334eec35f03776d72d60dc0ec197ae8d64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e90b0ba9007a424159f3d00b60ae5e334eec35f03776d72d60dc0ec197ae8d64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e90b0ba9007a424159f3d00b60ae5e334eec35f03776d72d60dc0ec197ae8d64", kill_on_drop: false }` [INFO] [stdout] e90b0ba9007a424159f3d00b60ae5e334eec35f03776d72d60dc0ec197ae8d64 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8230a186da219cf8341a0fc3c748709858bfcb88ba0a857cb02abd5dc509df2 [INFO] running `Command { std: "docker" "start" "-a" "d8230a186da219cf8341a0fc3c748709858bfcb88ba0a857cb02abd5dc509df2", kill_on_drop: false }` [INFO] [stderr] Checking immutable-map v0.1.2 [INFO] [stderr] Checking rewriter v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `app`, `lam`, `let_`, `var`, and `freevar` are never used [INFO] [stdout] --> src/expr.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Expr { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 16 | pub fn app(e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn lam(x: &str, e: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn let_(x: &str, e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn var(x: &str) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn freevar(&self, x: &str) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `app`, `lam`, `let_`, `var`, and `freevar` are never used [INFO] [stdout] --> src/expr.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Expr { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 16 | pub fn app(e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn lam(x: &str, e: Expr) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn let_(x: &str, e1: Expr, e2: Expr) -> Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn var(x: &str) -> Expr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn freevar(&self, x: &str) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split` is never used [INFO] [stdout] --> src/split.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn split<'a>(s: &'a str, p: fn(u8) -> bool) -> Split<'a> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split` is never used [INFO] [stdout] --> src/split.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn split<'a>(s: &'a str, p: fn(u8) -> bool) -> Split<'a> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "d8230a186da219cf8341a0fc3c748709858bfcb88ba0a857cb02abd5dc509df2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8230a186da219cf8341a0fc3c748709858bfcb88ba0a857cb02abd5dc509df2", kill_on_drop: false }` [INFO] [stdout] d8230a186da219cf8341a0fc3c748709858bfcb88ba0a857cb02abd5dc509df2