[INFO] cloning repository https://github.com/teoremma/snek [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teoremma/snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteoremma%2Fsnek", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteoremma%2Fsnek'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bcea78d816f7ec85c329531afdcc7a074218dc4a [INFO] testing teoremma/snek against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteoremma%2Fsnek" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/teoremma/snek [INFO] finished tweaking git repo https://github.com/teoremma/snek [INFO] tweaked toml for git repo https://github.com/teoremma/snek written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/teoremma/snek on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/teoremma/snek 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d7bebf5bf0567223800868a1b2e5444a167f4e86817f60640b8d48e9ded33f8 [INFO] running `Command { std: "docker" "start" "-a" "3d7bebf5bf0567223800868a1b2e5444a167f4e86817f60640b8d48e9ded33f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d7bebf5bf0567223800868a1b2e5444a167f4e86817f60640b8d48e9ded33f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d7bebf5bf0567223800868a1b2e5444a167f4e86817f60640b8d48e9ded33f8", kill_on_drop: false }` [INFO] [stdout] 3d7bebf5bf0567223800868a1b2e5444a167f4e86817f60640b8d48e9ded33f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 964ceb0461b654e6c149800334d312c4f6d9dcbdd3dd23a3219bd020d26aa51f [INFO] running `Command { std: "docker" "start" "-a" "964ceb0461b654e6c149800334d312c4f6d9dcbdd3dd23a3219bd020d26aa51f", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling sexp v1.1.4 [INFO] [stderr] Compiling im v15.1.0 [INFO] [stderr] Compiling rand_xoshiro v0.6.0 [INFO] [stderr] Compiling snek v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/compiler.rs:528:9 [INFO] [stdout] | [INFO] [stdout] 528 | _ => panic!("Unimplemented expression: {:?}", e), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/compiler.rs:528:9 [INFO] [stdout] | [INFO] [stdout] 91 | Expr::Number(n) => { [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 98 | Expr::Boolean(true) => vec![Instr::Mov(Arg::Reg(Reg::Rax), Arg::Imm(repr_true()))], [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 99 | Expr::Boolean(false) => vec![Instr::Mov(Arg::Reg(Reg::Rax), Arg::Imm(repr_false()))], [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] 100 | Expr::Var(id) if id == "input" => vec![Instr::Mov(Arg::Reg(Reg::Rax), Arg::Reg(Reg::Rdi))], [INFO] [stdout] 101 | Expr::Var(id) => { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 528 | _ => panic!("Unimplemented expression: {:?}", e), [INFO] [stdout] | ^ ...and 14 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/compiler.rs:164:17 [INFO] [stdout] | [INFO] [stdout] 164 | _ => panic!("Unimplemented unary operator: {:?}", op), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/compiler.rs:164:17 [INFO] [stdout] | [INFO] [stdout] 135 | Op1::Add1 => { [INFO] [stdout] | --------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 140 | Op1::Sub1 => { [INFO] [stdout] | --------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 145 | Op1::IsNum => { [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 155 | Op1::IsBool => { [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 164 | _ => panic!("Unimplemented unary operator: {:?}", op), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `repr_n` is never used [INFO] [stdout] --> src/compiler.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn repr_n(n: i64) -> i64 { repr(&Expr::Number(n)) } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s [INFO] running `Command { std: "docker" "inspect" "964ceb0461b654e6c149800334d312c4f6d9dcbdd3dd23a3219bd020d26aa51f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "964ceb0461b654e6c149800334d312c4f6d9dcbdd3dd23a3219bd020d26aa51f", kill_on_drop: false }` [INFO] [stdout] 964ceb0461b654e6c149800334d312c4f6d9dcbdd3dd23a3219bd020d26aa51f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8980907b85ff40bdf74cf2171902ba52167d24e2c89a3a00d25bf09f2689e9e [INFO] running `Command { std: "docker" "start" "-a" "c8980907b85ff40bdf74cf2171902ba52167d24e2c89a3a00d25bf09f2689e9e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling rustix v0.37.14 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling linux-raw-sys v0.3.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling encode_unicode v1.0.0 [INFO] [stderr] Compiling pad v0.1.6 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/compiler.rs:528:9 [INFO] [stdout] | [INFO] [stdout] 528 | _ => panic!("Unimplemented expression: {:?}", e), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/compiler.rs:528:9 [INFO] [stdout] | [INFO] [stdout] 91 | Expr::Number(n) => { [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 98 | Expr::Boolean(true) => vec![Instr::Mov(Arg::Reg(Reg::Rax), Arg::Imm(repr_true()))], [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 99 | Expr::Boolean(false) => vec![Instr::Mov(Arg::Reg(Reg::Rax), Arg::Imm(repr_false()))], [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] 100 | Expr::Var(id) if id == "input" => vec![Instr::Mov(Arg::Reg(Reg::Rax), Arg::Reg(Reg::Rdi))], [INFO] [stdout] 101 | Expr::Var(id) => { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 528 | _ => panic!("Unimplemented expression: {:?}", e), [INFO] [stdout] | ^ ...and 14 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/compiler.rs:164:17 [INFO] [stdout] | [INFO] [stdout] 164 | _ => panic!("Unimplemented unary operator: {:?}", op), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/compiler.rs:164:17 [INFO] [stdout] | [INFO] [stdout] 135 | Op1::Add1 => { [INFO] [stdout] | --------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 140 | Op1::Sub1 => { [INFO] [stdout] | --------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 145 | Op1::IsNum => { [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 155 | Op1::IsBool => { [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 164 | _ => panic!("Unimplemented unary operator: {:?}", op), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `repr_n` is never used [INFO] [stdout] --> src/compiler.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn repr_n(n: i64) -> i64 { repr(&Expr::Number(n)) } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c8980907b85ff40bdf74cf2171902ba52167d24e2c89a3a00d25bf09f2689e9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8980907b85ff40bdf74cf2171902ba52167d24e2c89a3a00d25bf09f2689e9e", kill_on_drop: false }` [INFO] [stdout] c8980907b85ff40bdf74cf2171902ba52167d24e2c89a3a00d25bf09f2689e9e