[INFO] cloning repository https://github.com/lukasgeis/negative_edge_weights
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukasgeis/negative_edge_weights" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasgeis%2Fnegative_edge_weights", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasgeis%2Fnegative_edge_weights'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17fe3568c32beb5f28e03c0ca1e2f2c0bc4bbf26
[INFO] checking lukasgeis/negative_edge_weights against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasgeis%2Fnegative_edge_weights" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukasgeis/negative_edge_weights
[INFO] finished tweaking git repo https://github.com/lukasgeis/negative_edge_weights
[INFO] tweaked toml for git repo https://github.com/lukasgeis/negative_edge_weights written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukasgeis/negative_edge_weights on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding ordered-float v4.6.0 (available: v5.3.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding rand_pcg v0.3.1 (available: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4384e7941f9309395dfe9a30031c31c5b7fb45b43630353e07e8784268d6d1
[INFO] running `Command { std: "docker" "start" "-a" "2a4384e7941f9309395dfe9a30031c31c5b7fb45b43630353e07e8784268d6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4384e7941f9309395dfe9a30031c31c5b7fb45b43630353e07e8784268d6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4384e7941f9309395dfe9a30031c31c5b7fb45b43630353e07e8784268d6d1", kill_on_drop: false }`
[INFO] [stdout] 2a4384e7941f9309395dfe9a30031c31c5b7fb45b43630353e07e8784268d6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ee1656474cdb7280111b0841fb2b51a6d72501a9ff5f68c3ef60cdd661d31f
[INFO] running `Command { std: "docker" "start" "-a" "39ee1656474cdb7280111b0841fb2b51a6d72501a9ff5f68c3ef60cdd661d31f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ez-bitset v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking negative_edge_weights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/coupling_shared.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/conflict_lens.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/coupling_shared.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/gen_unif_weights.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/gen_unif_weights.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/coupling.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/neighbors_seq.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/conflict_lens.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/seq_exp.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/apsp.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/seq_exp.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/apsp.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/coupling.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `generic_const_items` is declared but not used
[INFO] [stdout]  --> src/bin/neighbors_seq.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "39ee1656474cdb7280111b0841fb2b51a6d72501a9ff5f68c3ef60cdd661d31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ee1656474cdb7280111b0841fb2b51a6d72501a9ff5f68c3ef60cdd661d31f", kill_on_drop: false }`
[INFO] [stdout] 39ee1656474cdb7280111b0841fb2b51a6d72501a9ff5f68c3ef60cdd661d31f
