[INFO] cloning repository https://github.com/skius/imp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skius/imp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fimp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fimp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dcf16088cdfe3aa3f06ed8fbfcf4a46ab1d55905 [INFO] checking skius/imp against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fimp" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skius/imp on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/skius/imp [INFO] finished tweaking git repo https://github.com/skius/imp [INFO] tweaked toml for git repo https://github.com/skius/imp written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/skius/imp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ascii-canvas v3.0.0 [INFO] [stderr] Downloaded ena v0.14.0 [INFO] [stderr] Downloaded lalrpop-util v0.19.6 [INFO] [stderr] Downloaded lalrpop v0.19.6 [INFO] [stderr] Downloaded pico-args v0.4.2 [INFO] [stderr] Downloaded z3-sys v0.6.3 [INFO] [stderr] Downloaded z3 v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 645a65366973569b3d9cf0e37f8ca9c385ee7357f782dfcd1b9dd662dd3dfe75 [INFO] running `Command { std: "docker" "start" "-a" "645a65366973569b3d9cf0e37f8ca9c385ee7357f782dfcd1b9dd662dd3dfe75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "645a65366973569b3d9cf0e37f8ca9c385ee7357f782dfcd1b9dd662dd3dfe75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "645a65366973569b3d9cf0e37f8ca9c385ee7357f782dfcd1b9dd662dd3dfe75", kill_on_drop: false }` [INFO] [stdout] 645a65366973569b3d9cf0e37f8ca9c385ee7357f782dfcd1b9dd662dd3dfe75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73282c0be31183525014a51230d173f9f70fc88926ccb87f562e70182944c710 [INFO] running `Command { std: "docker" "start" "-a" "73282c0be31183525014a51230d173f9f70fc88926ccb87f562e70182944c710", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling z3-sys v0.6.3 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking z3 v0.10.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking lalrpop-util v0.19.6 [INFO] [stderr] Compiling lalrpop v0.19.6 [INFO] [stderr] Compiling imp v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::state::*` [INFO] [stdout] --> src/axiomatic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::state::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::*` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use ast::*; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::state::*` [INFO] [stdout] --> src/axiomatic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::state::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::*` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use ast::*; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cond` [INFO] [stdout] --> src/ast.rs:94:26 [INFO] [stdout] | [INFO] [stdout] 94 | AxStm::While(cond, AxBlock(AssertionChain(inner_pre_chain), inner_rem)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cond` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_post` [INFO] [stdout] --> src/ast.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let inner_post = inner_rem.last().unwrap().1.0.last().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_pre` [INFO] [stdout] --> src/axiomatic.rs:93:21 [INFO] [stdout] | [INFO] [stdout] 93 | let inner_pre = inner_pre_chain.first().unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_pre` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cond` [INFO] [stdout] --> src/ast.rs:94:26 [INFO] [stdout] | [INFO] [stdout] 94 | AxStm::While(cond, AxBlock(AssertionChain(inner_pre_chain), inner_rem)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cond` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_post` [INFO] [stdout] --> src/ast.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let inner_post = inner_rem.last().unwrap().1.0.last().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_pre` [INFO] [stdout] --> src/axiomatic.rs:93:21 [INFO] [stdout] | [INFO] [stdout] 93 | let inner_pre = inner_pre_chain.first().unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_pre` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/axiomatic.rs:132:21 [INFO] [stdout] | [INFO] [stdout] 132 | let mut solver = z3::Solver::new(&ctx); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/axiomatic.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let mut solver = z3::Solver::new(&ctx); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/axiomatic.rs:132:21 [INFO] [stdout] | [INFO] [stdout] 132 | let mut solver = z3::Solver::new(&ctx); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/axiomatic.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let mut solver = z3::Solver::new(&ctx); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:102:112 [INFO] [stdout] | [INFO] [stdout] 102 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 102 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:105:104 [INFO] [stdout] | [INFO] [stdout] 105 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 105 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:102:112 [INFO] [stdout] | [INFO] [stdout] 102 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 102 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:105:104 [INFO] [stdout] | [INFO] [stdout] 105 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 105 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.81s [INFO] running `Command { std: "docker" "inspect" "73282c0be31183525014a51230d173f9f70fc88926ccb87f562e70182944c710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73282c0be31183525014a51230d173f9f70fc88926ccb87f562e70182944c710", kill_on_drop: false }` [INFO] [stdout] 73282c0be31183525014a51230d173f9f70fc88926ccb87f562e70182944c710