[INFO] updating cached repository https://github.com/seb-odessa/callbacks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e016a3ada62ae4bf05b17a64233d3411111477c7
[INFO] testing seb-odessa/callbacks against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fcallbacks" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seb-odessa/callbacks on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/seb-odessa/callbacks
[INFO] finished tweaking git repo https://github.com/seb-odessa/callbacks
[INFO] tweaked toml for git repo https://github.com/seb-odessa/callbacks written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/seb-odessa/callbacks already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] b12478b610236279e0ce497fc984a3abd9429eaa07c5f42c18579c92b7030142
[INFO] running `"docker" "start" "-a" "b12478b610236279e0ce497fc984a3abd9429eaa07c5f42c18579c92b7030142"`
[INFO] [stderr]    Compiling callbacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 |     callbacks : Vec<Box<FnMut(i32)>>,
[INFO] [stderr]   |                         ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:8:47
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn register(&mut self, callback : Box<FnMut(i32)>) {
[INFO] [stderr]   |                                               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "b12478b610236279e0ce497fc984a3abd9429eaa07c5f42c18579c92b7030142"`
[INFO] running `"docker" "rm" "-f" "b12478b610236279e0ce497fc984a3abd9429eaa07c5f42c18579c92b7030142"`
[INFO] [stdout] b12478b610236279e0ce497fc984a3abd9429eaa07c5f42c18579c92b7030142
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 59188470bdd556535338ef384a356c07097c95530c1e4b1470bd585a745badd6
[INFO] running `"docker" "start" "-a" "59188470bdd556535338ef384a356c07097c95530c1e4b1470bd585a745badd6"`
[INFO] [stderr]    Compiling callbacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 |     callbacks : Vec<Box<FnMut(i32)>>,
[INFO] [stderr]   |                         ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:8:47
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn register(&mut self, callback : Box<FnMut(i32)>) {
[INFO] [stderr]   |                                               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "59188470bdd556535338ef384a356c07097c95530c1e4b1470bd585a745badd6"`
[INFO] running `"docker" "rm" "-f" "59188470bdd556535338ef384a356c07097c95530c1e4b1470bd585a745badd6"`
[INFO] [stdout] 59188470bdd556535338ef384a356c07097c95530c1e4b1470bd585a745badd6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 17912b6eb0c9e3929f520a9b10b837ecdaf5362ac9687bbe2b991ac754119932
[INFO] running `"docker" "start" "-a" "17912b6eb0c9e3929f520a9b10b837ecdaf5362ac9687bbe2b991ac754119932"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/callbacks-25802a49db122630
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "17912b6eb0c9e3929f520a9b10b837ecdaf5362ac9687bbe2b991ac754119932"`
[INFO] running `"docker" "rm" "-f" "17912b6eb0c9e3929f520a9b10b837ecdaf5362ac9687bbe2b991ac754119932"`
[INFO] [stdout] 17912b6eb0c9e3929f520a9b10b837ecdaf5362ac9687bbe2b991ac754119932