[INFO] fetching crate floyd-warshall 0.0.3...
[INFO] fixing floyd-warshall-0.0.3 against try#5fed607fb5806ae20927e7e9193e3793c411ac20+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817
[INFO] extracting crate floyd-warshall 0.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate floyd-warshall 0.0.3
[INFO] finished tweaking crates.io crate floyd-warshall 0.0.3
[INFO] tweaked toml for crates.io crate floyd-warshall 0.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate floyd-warshall 0.0.3 on toolchain 5fed607fb5806ae20927e7e9193e3793c411ac20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "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" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding petgraph v0.4.13 (available: v0.8.3)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `floyd-warshall` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748
[INFO] running `Command { std: "docker" "start" "6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748" "/opt/rustwide/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748" "/opt/rustwide/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `floyd-warshall` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking text_io v0.1.13
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking floyd-warshall v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2015 edition to 2018
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] [stderr] crater-edition-check: floyd-warshall v0.0.3 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]     Checking floyd-warshall v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/matrices.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/matrices.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/matrices.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PathMatrix<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     m: Box<[Path<T>]>,
[INFO] [stdout] 67 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathMatrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/matrices.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PathMatrix<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     m: Box<[Path<T>]>,
[INFO] [stdout] 67 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathMatrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 4.40s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking floyd-warshall v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] [stderr] crater-edition-check: floyd-warshall v0.0.3 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking floyd-warshall v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/matrices.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/matrices.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/matrices.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PathMatrix<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     m: Box<[Path<T>]>,
[INFO] [stdout] 67 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathMatrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/matrices.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PathMatrix<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     m: Box<[Path<T>]>,
[INFO] [stdout] 67 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathMatrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 5.03s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking floyd-warshall v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] [stderr] crater-edition-check: floyd-warshall v0.0.3 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking floyd-warshall v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/matrices.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/matrices.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/matrices.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PathMatrix<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     m: Box<[Path<T>]>,
[INFO] [stdout] 67 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathMatrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/matrices.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PathMatrix<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     m: Box<[Path<T>]>,
[INFO] [stdout] 67 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathMatrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 5.95s
[INFO] [stderr] crater-edition-check all packages now at latest edition
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748", kill_on_drop: false }`
[INFO] [stdout] 6650ccd3fbc515d4d90a55e27846674486b5e867c47bb47ecf031509697e3748