[INFO] cloning repository https://github.com/kowaalczyk/instant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kowaalczyk/instant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkowaalczyk%2Finstant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkowaalczyk%2Finstant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ae0bcb58ec829828e68bc8b09016514c6e08f5
[INFO] checking kowaalczyk/instant against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkowaalczyk%2Finstant" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kowaalczyk/instant on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kowaalczyk/instant
[INFO] finished tweaking git repo https://github.com/kowaalczyk/instant
[INFO] tweaked toml for git repo https://github.com/kowaalczyk/instant written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kowaalczyk/instant already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded strsim v0.9.2
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded proc-macro2 v1.0.5
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded string_cache v0.7.4
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded bitflags v1.2.0
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff558d5b6a6ef607a9435b5aa85797ce6e547123b78b671cae1f2be788e69f6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff558d5b6a6ef607a9435b5aa85797ce6e547123b78b671cae1f2be788e69f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff558d5b6a6ef607a9435b5aa85797ce6e547123b78b671cae1f2be788e69f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff558d5b6a6ef607a9435b5aa85797ce6e547123b78b671cae1f2be788e69f6a", kill_on_drop: false }`
[INFO] [stdout] ff558d5b6a6ef607a9435b5aa85797ce6e547123b78b671cae1f2be788e69f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2058f06bbf7f6508e3f77d8593ae7baec36eb528c240483d0fe8d95f53bdaee0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2058f06bbf7f6508e3f77d8593ae7baec36eb528c240483d0fe8d95f53bdaee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling instant-parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> parser/build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | /     lalrpop::Configuration::new()
[INFO] [stdout] 5 | |         .generate_in_source_tree()
[INFO] [stdout] 6 | |         .process();
[INFO] [stdout]   | |___________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2855:5
[INFO] [stdout]      |
[INFO] [stdout] 2855 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2866:5
[INFO] [stdout]      |
[INFO] [stdout] 2866 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2892:5
[INFO] [stdout]      |
[INFO] [stdout] 2892 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2950:5
[INFO] [stdout]      |
[INFO] [stdout] 2950 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2980:5
[INFO] [stdout]      |
[INFO] [stdout] 2980 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:3029:5
[INFO] [stdout]      |
[INFO] [stdout] 3029 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2855:5
[INFO] [stdout]      |
[INFO] [stdout] 2855 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:3064:5
[INFO] [stdout]      |
[INFO] [stdout] 3064 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:3163:5
[INFO] [stdout]      |
[INFO] [stdout] 3163 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2866:5
[INFO] [stdout]      |
[INFO] [stdout] 2866 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2892:5
[INFO] [stdout]      |
[INFO] [stdout] 2892 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2950:5
[INFO] [stdout]      |
[INFO] [stdout] 2950 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:2980:5
[INFO] [stdout]      |
[INFO] [stdout] 2980 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:3029:5
[INFO] [stdout]      |
[INFO] [stdout] 3029 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:3064:5
[INFO] [stdout]      |
[INFO] [stdout] 3064 |     (e)
[INFO] [stdout]      |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> parser/src/instant.rs:3163:5
[INFO] [stdout]      |
[INFO] [stdout] 3163 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking instant-compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]   --> compiler/src/jasmin.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     0..=5 => format!("iconst_{}", val),
[INFO] [stdout]    |                     ----- this range overlaps on `5_i32`...
[INFO] [stdout] 34 |                     5..=127 => format!("bipush {}", val),
[INFO] [stdout]    |                     ^^^^^^^ ... with this range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout]    = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]   --> compiler/src/jasmin.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     0..=5 => format!("iconst_{}", val),
[INFO] [stdout]    |                     ----- this range overlaps on `5_i32`...
[INFO] [stdout] 34 |                     5..=127 => format!("bipush {}", val),
[INFO] [stdout]    |                     ^^^^^^^ ... with this range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout]    = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking instant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "2058f06bbf7f6508e3f77d8593ae7baec36eb528c240483d0fe8d95f53bdaee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2058f06bbf7f6508e3f77d8593ae7baec36eb528c240483d0fe8d95f53bdaee0", kill_on_drop: false }`
[INFO] [stdout] 2058f06bbf7f6508e3f77d8593ae7baec36eb528c240483d0fe8d95f53bdaee0