[INFO] fetching crate session_log 0.4.1...
[INFO] testing session_log-0.4.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate session_log 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate session_log 0.4.1
[INFO] finished tweaking crates.io crate session_log 0.4.1
[INFO] tweaked toml for crates.io crate session_log 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate session_log 0.4.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate session_log 0.4.1 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" "+beta-2026-04-21" "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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8109d312e9a71903815ac507f6233dff4cda70fb82f2da11ae747e9c10d13b11
[INFO] running `Command { std: "docker" "start" "-a" "8109d312e9a71903815ac507f6233dff4cda70fb82f2da11ae747e9c10d13b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8109d312e9a71903815ac507f6233dff4cda70fb82f2da11ae747e9c10d13b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8109d312e9a71903815ac507f6233dff4cda70fb82f2da11ae747e9c10d13b11", kill_on_drop: false }`
[INFO] [stdout] 8109d312e9a71903815ac507f6233dff4cda70fb82f2da11ae747e9c10d13b11
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba045ef24fcb5bfbe2d13c10e29364d13cd95aae3ebc9baece826f860c78db1e
[INFO] running `Command { std: "docker" "start" "-a" "ba045ef24fcb5bfbe2d13c10e29364d13cd95aae3ebc9baece826f860c78db1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling session_log v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/writer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sleep` and `spawn`
[INFO] [stdout]  --> src/writer.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::{sleep, spawn};
[INFO] [stdout]   |                   ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/writer.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | /       WRITERS.get_or_insert_with(
[INFO] [stdout] 34 | |         || Mutex::new(HashMap::new())
[INFO] [stdout] 35 | |       ).lock().unwrap()
[INFO] [stdout]    | |_______^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "ba045ef24fcb5bfbe2d13c10e29364d13cd95aae3ebc9baece826f860c78db1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba045ef24fcb5bfbe2d13c10e29364d13cd95aae3ebc9baece826f860c78db1e", kill_on_drop: false }`
[INFO] [stdout] ba045ef24fcb5bfbe2d13c10e29364d13cd95aae3ebc9baece826f860c78db1e
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3735f661429e7d61a61b924ed6f5a079575dc05ceca63e82743b79f4251fbddd
[INFO] running `Command { std: "docker" "start" "-a" "3735f661429e7d61a61b924ed6f5a079575dc05ceca63e82743b79f4251fbddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling session_log v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/writer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sleep` and `spawn`
[INFO] [stdout]  --> src/writer.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::{sleep, spawn};
[INFO] [stdout]   |                   ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/writer.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | /       WRITERS.get_or_insert_with(
[INFO] [stdout] 34 | |         || Mutex::new(HashMap::new())
[INFO] [stdout] 35 | |       ).lock().unwrap()
[INFO] [stdout]    | |_______^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/writer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sleep` and `spawn`
[INFO] [stdout]  --> src/writer.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::{sleep, spawn};
[INFO] [stdout]   |                   ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/writer.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | /       WRITERS.get_or_insert_with(
[INFO] [stdout] 34 | |         || Mutex::new(HashMap::new())
[INFO] [stdout] 35 | |       ).lock().unwrap()
[INFO] [stdout]    | |_______^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "3735f661429e7d61a61b924ed6f5a079575dc05ceca63e82743b79f4251fbddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3735f661429e7d61a61b924ed6f5a079575dc05ceca63e82743b79f4251fbddd", kill_on_drop: false }`
[INFO] [stdout] 3735f661429e7d61a61b924ed6f5a079575dc05ceca63e82743b79f4251fbddd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7aade13dce335595c9649da7fd01b20ca044c0eeef6cd6c1ea91599fdfe18e19
[INFO] running `Command { std: "docker" "start" "-a" "7aade13dce335595c9649da7fd01b20ca044c0eeef6cd6c1ea91599fdfe18e19", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/writer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `sleep` and `spawn`
[INFO] [stderr]  --> src/writer.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread::{sleep, spawn};
[INFO] [stderr]   |                   ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]   --> src/writer.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | /       WRITERS.get_or_insert_with(
[INFO] [stderr] 34 | |         || Mutex::new(HashMap::new())
[INFO] [stderr] 35 | |       ).lock().unwrap()
[INFO] [stderr]    | |_______^ mutable reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `session_log` (lib) generated 3 warnings (run `cargo fix --lib -p session_log` to apply 2 suggestions)
[INFO] [stderr] warning: `session_log` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/session_log-2507466626233dd1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests session_log
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7aade13dce335595c9649da7fd01b20ca044c0eeef6cd6c1ea91599fdfe18e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aade13dce335595c9649da7fd01b20ca044c0eeef6cd6c1ea91599fdfe18e19", kill_on_drop: false }`
[INFO] [stdout] 7aade13dce335595c9649da7fd01b20ca044c0eeef6cd6c1ea91599fdfe18e19
