[INFO] fetching crate json-session 0.1.0...
[INFO] testing json-session-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate json-session 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate json-session 0.1.0
[INFO] finished tweaking crates.io crate json-session 0.1.0
[INFO] tweaked toml for crates.io crate json-session 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-session 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate json-session 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10f7611d8357f9d86668bd90f80195d19736d4a3af542d3565667e0f5f0b3354
[INFO] running `Command { std: "docker" "start" "-a" "10f7611d8357f9d86668bd90f80195d19736d4a3af542d3565667e0f5f0b3354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f7611d8357f9d86668bd90f80195d19736d4a3af542d3565667e0f5f0b3354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f7611d8357f9d86668bd90f80195d19736d4a3af542d3565667e0f5f0b3354", kill_on_drop: false }`
[INFO] [stdout] 10f7611d8357f9d86668bd90f80195d19736d4a3af542d3565667e0f5f0b3354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffae42ab0575e5acd877a4680e32da9bb79f7764e490a2447de500abbffb9af8
[INFO] running `Command { std: "docker" "start" "-a" "ffae42ab0575e5acd877a4680e32da9bb79f7764e490a2447de500abbffb9af8", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling json-session v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "ffae42ab0575e5acd877a4680e32da9bb79f7764e490a2447de500abbffb9af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffae42ab0575e5acd877a4680e32da9bb79f7764e490a2447de500abbffb9af8", kill_on_drop: false }`
[INFO] [stdout] ffae42ab0575e5acd877a4680e32da9bb79f7764e490a2447de500abbffb9af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62aa6d931841f946144fe1f4469a123b15bca78e096d48d1fa9f0a364ab360d1
[INFO] running `Command { std: "docker" "start" "-a" "62aa6d931841f946144fe1f4469a123b15bca78e096d48d1fa9f0a364ab360d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-session v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "62aa6d931841f946144fe1f4469a123b15bca78e096d48d1fa9f0a364ab360d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62aa6d931841f946144fe1f4469a123b15bca78e096d48d1fa9f0a364ab360d1", kill_on_drop: false }`
[INFO] [stdout] 62aa6d931841f946144fe1f4469a123b15bca78e096d48d1fa9f0a364ab360d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b66c0df4d07620c2bc328ee63322004cdccad0c25d6c65d9dcc0a432a152a85e
[INFO] running `Command { std: "docker" "start" "-a" "b66c0df4d07620c2bc328ee63322004cdccad0c25d6c65d9dcc0a432a152a85e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_session-fbb752c64160c9de)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test session::test::test_doc ... ok
[INFO] [stdout] test session::test::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_session
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/session.rs - session::JsonSession (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b66c0df4d07620c2bc328ee63322004cdccad0c25d6c65d9dcc0a432a152a85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66c0df4d07620c2bc328ee63322004cdccad0c25d6c65d9dcc0a432a152a85e", kill_on_drop: false }`
[INFO] [stdout] b66c0df4d07620c2bc328ee63322004cdccad0c25d6c65d9dcc0a432a152a85e