[INFO] fetching crate idmap 0.2.19...
[INFO] testing idmap-0.2.19 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate idmap 0.2.19 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate idmap 0.2.19 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate idmap 0.2.19
[INFO] finished tweaking crates.io crate idmap 0.2.19
[INFO] tweaked toml for crates.io crate idmap 0.2.19 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded idmap-derive v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4333b879403a06d9400d3ecd7edd010c6e333cbc1aef00514735dc8cf536ff7e
[INFO] running `Command { std: "docker" "start" "-a" "4333b879403a06d9400d3ecd7edd010c6e333cbc1aef00514735dc8cf536ff7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4333b879403a06d9400d3ecd7edd010c6e333cbc1aef00514735dc8cf536ff7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4333b879403a06d9400d3ecd7edd010c6e333cbc1aef00514735dc8cf536ff7e", kill_on_drop: false }`
[INFO] [stdout] 4333b879403a06d9400d3ecd7edd010c6e333cbc1aef00514735dc8cf536ff7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb8c9aa052c98206c08c815cf9013e5fdbe50c2b22436ad33a0ccc8461bbcb44
[INFO] running `Command { std: "docker" "start" "-a" "fb8c9aa052c98206c08c815cf9013e5fdbe50c2b22436ad33a0ccc8461bbcb44", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.3.1
[INFO] [stderr]    Compiling idmap v0.2.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "fb8c9aa052c98206c08c815cf9013e5fdbe50c2b22436ad33a0ccc8461bbcb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8c9aa052c98206c08c815cf9013e5fdbe50c2b22436ad33a0ccc8461bbcb44", kill_on_drop: false }`
[INFO] [stdout] fb8c9aa052c98206c08c815cf9013e5fdbe50c2b22436ad33a0ccc8461bbcb44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ae09f68f28ebcdc2c53acd10158c597cc265ba3731ad924da8220c0d3765ab
[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" "88ae09f68f28ebcdc2c53acd10158c597cc265ba3731ad924da8220c0d3765ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling serde_test v1.0.117
[INFO] [stderr]    Compiling idmap-derive v0.1.2
[INFO] [stderr]    Compiling idmap v0.2.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `serde`
[INFO] [stdout]  --> tests/set.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate serde;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `idmap`
[INFO] [stdout] error[E0463]: can't find crate for `serde`
[INFO] [stdout]  --> tests/basic.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate serde;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde`
[INFO] [stdout]  --> tests/direct.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate serde;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "88ae09f68f28ebcdc2c53acd10158c597cc265ba3731ad924da8220c0d3765ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ae09f68f28ebcdc2c53acd10158c597cc265ba3731ad924da8220c0d3765ab", kill_on_drop: false }`
[INFO] [stdout] 88ae09f68f28ebcdc2c53acd10158c597cc265ba3731ad924da8220c0d3765ab
